gr 4 mathematics 1st 4th

8/16/2019 Gr 4 Mathematics 1st 4th

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1ST

MATHEMATICS IV

Date: ___________

I. Objective: Identify numbers from 100,001 through millions/billions.

II. Learning Content:Identifying numbers from 100,001 through millions/billions.

References:BEC-PEC I !. 1.1Enfolding "#them#ti$s I%

Materias: sh$#rds, $h#rts

III.Learning E!"eriences:A. #re"arator$ Activit$:1. 'rill: B#si$ Subtr#$tion f#$ts using sh$#rds.

()-1*+ ( - + -+ -+

1*-10)+ 10-(+ 1-+ 1*-+

*. eie2: ounding o3 numbers to the ne#rest tens #nd thous#nds.#. *) b. *) ( $. 1* ) d. 1 *

%. Deveo"&enta Activities:

1. Motivation:

'o you thin4 the senten$es #re e#sy to re#d #nd underst#nd5 6hy5

6h#t number do you thin4 the numer#l re7resents5

*. Presentation:e#d the d#t#

Tr#8$ in "etro "#nil# is he#y be$#use ne#rly one-h#lf of the *0 9 ehi$les in the $ountry #re registered here.#. 6h#t is the gien number5 * 0 9;

b.


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Put # $he$4 ; if the number is in millions #nd # $ross >; if it isin billions. ????? 1. ( 9( 9 ????? . 1 ( ) ????? *. ( 9 )9

. Generalization:


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MATHEMATICS IVDate: ___________

I. Objective: Identify the 7l#$e #lue/#lue of # ( or more digit in # gien numer#l

II. Learning Content:Identifying the 7l#$e #lue/#lue of # ( or more digit in # gien numer#lReferences:BEC-PEC I !. 1.*

Enfolding "#them#ti$s I%Materias: 7l#$e #lue $h#rt, number $#rds, sh$#rds

III.Learning E!"eriences:A. #re"arator$ Activit$:

1. Drill: #m7le: 91

$. Dirst grou7 to form the digit 2ill be the 2inner.*. Review: e#ding #nd 2riting numer#ls in the st#nd#rd form usingm#ny 2#ys.

"#t$h $olumn ! to $olumn B! B 1th h )t ( ones1) Thirty seen1)( Eight hundred t2enty-si> thous#nd one

hundred forty one**)

1 hundred tens ) ones

9(11

*0 000 000 *00 0 )

%. Deveo"&enta Activities:1. Motivation:

!s4 the 7u7ils 2hy sm#ller 7u7ils #re se#ted in front 2hile thebigger 7u7ils #re se#ted #t the b#$4.

*. Presentation:F Tell the 7u7ils th#t numbers #re li4e 7eo7le th#t $#n be grou7ed

in m#ny 2#ys.F 'is$uss the m#ny 2#ys in re7resenting numbers in st#nd#rd

form. ()#. 6ord form: three thous#nd seen hundred si>ty @eb. umber #nd #bbrei#tion form: th h (t )ones$. umber #nd 2ord: thous#nd hundreds ( tens ) ones


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F Sho2 the 7l#$e #lue $h#rt this timeF e>tending u7 to the hundred billions 7l#$e. Tell the 7u7ils th#t

our system of numer#tion h#s numbers grou7ed in threes, 2e$#ll PEIA'S.

. Practice Exercises:

6rite e#$h digit of the gien number in the $orre$t 7l#$e usingthe 7l#$e #lue $h#rt.1. 1 9)*. * ( 1*

Identifying C#rdin#l numbers from 10 001 to 100 000.

. Generalization:e$#ll the ste7s in identifying the 7l#$e #lue #nd #lue of # digit

in # gien numer#l. Sho2 more e>#m7les.). Application:

6rite e#$h digit of the gien number in the $orre$t 7l#$e using the7l#$e #lue $h#rt.1. 1 9)*. * ( 1*

IV.Eva'ation:ie the #lue of e#$h digit in the th number * ( 19.

#. * ?????? $. ?????? e. ( ?????? g. ?????? b. ?????? d. ?????? f. 1 ?????? h. 9 ??????

V. Assign&ent: The dist#n$e tr#eled by light in one ye#r is 0) )(0 900 4m.

#. 6h#t digit o$$u7ies e#$h of this 7l#$e #lue5 Thous#nds


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MATHEMATICS IV

Date: ___________

I. Objective:

e#d #nd 2rite numbers through millions/billions in symbols.

II. Learning Content:e#ding #nd 2riting numbers through millions/billions in symbols.

References:BEC-PEC I !. 1.Enfolding "#them#ti$s I%

Materias: sh$#rds, number $#rds, 7l#$e #lue $h#rt


1. Drill: e#d the follo2ing numer#ls.#. 9 1 b. (* ) $. 9 1 d.

19( *

*. Review: ie the 7l#$e #lue #nd the #lue of the underlined digit.

#. 9 190 b. 9 19 $. 1( d. 909(


Sho2 #nd dis$uss the 7l#$e #lue $h#rt*. Presentation:

Sho2 #nother numbers 2ritten on sh$#rds. Put e#$h numberon e#$h $orres7onding 7l#$e in the $h#rt.

9 () 0*1

#.


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*. Three hundred eight billion, t2o hundred nine million, si>hundred seenty-nine thous#nd, si> hundred

. Seen billion, eighty-three

. Generalization:

6h#t #re the rules in 2riting l#rge numbers5

). Application:6rite the follo2ing in st#nd#rd form.1. Ane billion, three hundred forty-eight million, @e hundred

t2enty si> thous#nd, three hundred eleen.*. Three hundred eight billion, t2o hundred nine million, si>

hundred seenty-nine thous#nd, si> hundred.

IV.Eva'ation:"#t$h $olumn ! 2ith $olumn B. 6rite the letter of the $orre$t #ns2er

on the bl#n4 7roided for, ! ??? 1. @e billion, three thous#nd t2o ??? *. @e billion, three million, t2o hundred ??? . @fty billion, three million, t2enty ??? . @e hundred billion, thirty million, t2o thous#nd ??? ). @e billion, three hundred million t2enty thous#nd

B#. )0 00 000 0*0b. ) 000 00 00*

$. ) 00 0*0 000d. ) 00 000 *00e. )00 00 00* 000

V. Assign&ent: 6rite ten numbers in the st#nd#rd form u7 to millions/billions.


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MATHEMATICS IV

Date: ___________

I. Objective:

e#d #nd 2rite numbers through millions/billions in 2ords

II. Learning Content:e#ding #nd 6riting umbers through "illions/Billions in 6ords

References:BEC-PEC I !. 1.Enfolding "#them#ti$s I%



1. Drill: e#ding of numbers.** *9( 000 *0) 1(0 9 000*( 9( 19

*. Review: Te#$her 2ill di$t#te these numbers 7u7ils 2ill 2rite them in theirsho2 $#rds.(9* (9 *10 *9 ()1

( )( *1



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#. 9 1)* *b. * 1 (9 9$. 1 19( * 0)d. ) 1( (e. 110 1 *)

. Practice Exercises:6rite in 2ords.1. (9 *1 *. ) 1 . 9 * ()

. Generalization:


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MATHEMATICS IV

Date: ___________

I. Objective:

ound o3 numbers to the ne#rest tens

II. Learning Content:ounding o3 numbers to the ne#rest tens

References:BEC-PEC I !. *.1Enfolding "#them#ti$s I%

Materias: $h#rt, #$tiity $#rds, number lines


1. Drill: uessing #me: sole the gien 7roblem#. "y ones digit is *. my tens digit is tri$e the @rst digit. "y

hundreds digit is four times the @rst digit #nd my thous#nd digitis the sum of the ones #nd the tens digit. 6h#t number #m I5

*. Review: 6rite the 7l#$e #lue #nd #lue of the underlined digit in the

follo2ing m#teri#ls.#. ) * b. 1 )1 () ($. 9) d. 9 1 9)


!s4 #n #ssigned 7u7il to re#d # ne2s item th#t 2ill sho2estim#ting l#rge grou7s.

*. Presentation of lessons:e#d the 7roblem $#refully then #ns2er the Guestions brie&y.

#. i$#, # gr#de 7u7il needs P* for her s$hool 7roHe$t. She doesnot need to #s4 her 7#rents be$#use she #lre#dy s#ed P0 fromher d#ily #llo2#n$e. 6h#t 4ind of girl is i$#51. 6ho is i$#5 6h#t did i$# need5

*.


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. Practice Exercises:ound the follo2ing to the tens 7l#$e.1. * *. (9 . )1 . *9 *( ).

. Generalization:


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MATHEMATICS IV

Date: ___________

I. Objective:

ound o3 numbers to the ne#rest hundreds, thous#nds, ten thous#nds#nd hundred thous#nds.

II. Learning Content:ounding o3 numbers to the ne#rest hundreds, thous#nds, ten thous#nds

#nd hundred thous#nds.

References:BEC-PEC I !. *. *.)Enfolding "#them#ti$s I%

Materias: $h#rt, number $#rds


1. Drill: Te#$her 7i$4s out #ny number from # bo>. The t#s4 of e#$h 7u7il

in the $l#ss is to round these numbers to the ne#rest tens.E>#m7le: - rounds to 0

*1 - *1 rounds to *0*. Review:


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b. ound o3 1 )9* to the ne#rest hundreds, thous#nds, tenthous#nds #nd hundred thous#nds.

$. ound o3 *)( ) to the ne#rest thous#nds, ten thous#nds #ndhundred thous#nds.

. Practice Exercises:ound o3 the numbers to the ne#rest ten thous#nds, hundredthous#nds.

#. 91 * $. ()) *1 100 e. ( 9( 1b. *) )01 d. )1 91 *1)

. Generalization:


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MATHEMATICS IV

Date: ___________

I. Objective:

ound o3 numbers to the ne#rest millions #nd billions.

II. Learning Content:ounding o3 numbers to the ne#rest millions #nd billions.

References:BEC-PEC I !. *.( #nd *.Enfolding "#them#ti$s I%

Materias: sh$#rds, #$tiity $#rds


1. Drill: e#ding numbers through millions/billions

*. Review:


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????? ound do2n if the digit to the right of the millions 7l#$e tobe rounded is 0, 1, *, , #nd .

. Practice Exercises:ound o3 the numbers to the ne#rest millions/billions5

umber e#rest "illions e#rest Billions( 91 (* 1*(* 1* ) 19 1 19 )1*

. Generalization:


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MATHEMATICS IV

Date: ___________

I. Objective:

!dd ( or more digit numbers 2ith or more #ddends 2ith sumsthrough billions 2ithout regrou7ingII. Learning Content:

!dding ( or more digit numbers 2ith or more #ddends 2ith sumsthrough billions 2ithout regrou7ing

References:BEC-PEC I B 1.1Enfolding "#them#ti$s I%

Materias: $h#rt 2ith e>er$ises, drill $#rds

III.Learning E!"eriences:

A. #re"arator$ Activit$:1. Drill: B#si$ #ddition f#$ts

#. + b. * ) + $. 0 + d. 9 +

*. Review: Sole for this l#ngu#ge of m#th 7roblem.

6h#t is the sum of )0 1* #nd 11 *105 'is$uss the ste7s in#dding l#rge numbers.


Sho2 # 7i$ture of eget#ble g#rden. 6h#t eget#bles #re7l#nted in the g#rden5 'o you 2#nt to re#d # short story #bout this5

*. Presentation:Problem A7ener:

"#ng estor g#thered *0 *1* 4ilogr#ms of $#bb#ge #nd 1*01 4ilogr#ms of egg7l#nt during the @rst 2ee4. An the se$ond2ee4, he g#thered ill *01 4ilogr#ms of $#bb#ge #nd 110 1*4ilogr#ms of egg7l#nt.


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. Practice Exercises:6rite in the $olumn then #dd

#. 10 *0 10* 1* *01 0*1 10 *1b. *0 1*0 *11 10 *1 1* 10 *1$. 10* 0** 011 01 )1 1*0 *1 01 10 10 *1 )

. Generalization:


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MATHEMATICS IV

Date: ___________

I. Objective:

!dd (- or more digit numbers 2ith or more #ddends 2ith sumsthrough billions 2ith regrou7ing

II. Learning Content:!dding (- or more digit numbers 2ith or more #ddends 2ith sums

through billions 2ith regrou7ing

References:BEC-PEC I B 1.*Enfolding "#them#ti$s I%

Materias: sh$#rds, $h#rt 2ith 7roblems


1. Drill: B#si$ !ddition D#$ts#. 10 * + b. * + $. 9 + d. ) +

*. Review: !dd the follo2ing1 *0 1*1 0** 10* 1* 11** )1 *1 1*

1*1 000 1*1


7erien$ed st#ying in the @eld h#resting fruits5 6h#tthings do you see #round5


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b.


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MATHEMATICS IV

Date: ___________

I. Objective:

Identify the $ommut#tie 7ro7erty of #ddition used in #n eGu#tion

II. Learning Content:Com7rehensie of the $ommut#tie/order 7ro7erty of #ddition.

References:BEC-PEC I B *.1Enfolding "#them#ti$s I%

Materias: sh$#rds


1. Drill: 6#rm u7 E>er$ises umber g#me inoling #ddition;I #m thin4ing of # numberE>#m7le:

I #m thin4ing of # number, my @rst number is ) #nd the se$ond is(, 2h#t number #m I5

*. Review: !ddition f#$ts using sh$#rds

#. b. $. ( * d. * (


!n# 7i$4ed 2hite roses #nd 9 red roses.


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. ???? ???? + 10 1*

. Generalization:6h#t is the 7ro7erty of #ddition 2herein the order of the

#ddends does not $h#nge the sum5

). Application:ie the missing numbers.1. 1 ??? + 1*. *0 ) + ??? *0. ??? 1 + 1 19

IV.Eva'ation:ie the missing numbers.

1. ( ??? + ( . * ??? + 1 *

*. (0 90 + 90 ??? . (0 + ???

V. Assign&ent: ie / e>7ress the gien numbers in * 2#ys.


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MATHEMATICS IV

Date: ___________

I. Objective:

Sho2 the #sso$i#te 7ro7erty of #ddition

II. Learning Content:Sho2ing the #sso$i#te 7ro7erty of #ddition

References:BEC-PEC I B *Enfolding "#them#ti$s I%

Materias: $h#t, #$tiity sheets, drill $#rds


1. Drill/Review:Su77ly the missing number

#. ??? + 1( b. ?? ( + 1) $. 19 ??? + ) ??? + 1( ( ?? + 1) ?? 19 + )

*.



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1) 1 + *9In the gien #ddition senten$e, 2hi$h 2ill be the s#me5

. Practice Exercises:ie the missing number

1. 9 ; ) + ) ?? ; + ??? ??? ) + 1 ??? + 1*. ; + ; ??? + ???

?????? + ?????? + ???

. Generalization:6h#t is the #sso$i#tie 7ro7erty of #ddition5

). Application:6rite the missing number.

1. ??? ; + 1**. ??? (; * + 1). ( ?? ; + *0

IV.Eva'ation:Dind the sum using the #sso$i#te 7ro7erty.

1. 9 ( +*. 10 +. 9 1* +. 1* +). 1) 9 ) +

V. Assign&ent: Identify the 7ro7erty of #ddition used in e#$h eGu#tion. 6rite your

#ns2er on the bl#n4 7roider for.1. + ?????????? *. 9 ; + 9 ; ?????????? . *0 + (0 + *0 ???????? . ) 19 + ) + 1 19 ; 19 ???????? ). ( 0 00 ; + 1(


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MATHEMATICS IV

Date: ___________

I. Objective:

Estim#tes the sum of ( or more digit #ddends

II. Learning Content:Estim#ting the sum of ( or more digit #ddends

References:BEC-PEC I B Enfolding "#them#ti$s I%

Materias: 7i$tures, 7o$4et $h#rt, $olored $h#l4, sho2 me bo#rd


1. Drill: B#si$ #ddition f#$ts using sh$#rds#. + b. 9 + $. ) + d. +

*. Review: ounding o3 numbers to the ne#rest 10 000 to 100 000.Pl#y 7#ss the 7#7er g#me. E#$h 7u7il in the $olumn t#4es turns

in rounding numbers #s f#st #nd $orre$tly #s they $#n. Che$4#ns2ers in $l#ss.


Sho2 7i$ture of f#rmers 2or4ing in # f#rm or $o$onut 7l#nt#tion.6h#t do you see in the 7i$ture5 6h#t does the f#rmer do to h#e #good Gu#lity h#rest5 C#n you tell the number of $o$onuts seen inthe dr#2ing5

*. Presentation:"#ng "#rio h#s # $o$onut 7l#nt#tion.


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MATHEMATICS IV

Date: ___________

I. Objective:

!dd * to digit numbers 2ith sums u7 to 00 ment#lly

II. Learning Content:!dding ment#lly digit numbers 2ith sums u7 to 00 ment#lly

References:BEC-PEC I B Enfolding "#them#ti$s I%

Materias: sh$#rds, number $#rds, 2indo2 $#rds


1. Drill: B#si$ !ddition D#$ts using sh$#rds#. ) 9 + b. ( 9 + $. * + d. ( +

*. Review: Estim#te the sum of e#$h item or#lly.

1* 1* 1( 1 *1 *1 9(1 1


!re trees #nd other 7l#nts im7ort#nt to us5 6hy5 'o trees #ndother 7l#nts gie us5

*. Presentation:Problem A7ener

In #n or$h#rd, there #re 1*) #o$#dos, 1) m#ngo #nd s#ntoltrees.


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). Application:!dd the follo2ing number ment#lly.1. 1*( *. *1 . 1* . *0 ).*9

1 ( 1( 1

1*1

IV.Eva'ation:!dd the follo2ing numbers ment#lly

1. 1( *. *1 . 1) . *1 ).1

1 ) 1( 19 111

V. Assign&ent: Dind the sum by #dding ment#lly.

1. 11 *. 1*) . 1( . 1( ). **1 1*9 1) 1*) 1*

111


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MATHEMATICS IV

Date: ___________

I. Objective:

Sole 2ord 7roblems inoling #ddition of 2hole numbers in$ludingmoney 2ith sums through millions #nd billions.

II. Learning Content:!n#lyOing #nd soling 2ord 7roblems inoling #ddition of 2hole

numbers.

References:BEC-PEC I B ).1Enfolding "#them#ti$s I%

Materias: sh$#rds


1. Drill: Dind the sum ment#lly1. (* *. 1) . 1))

*9 1 1)*. Che$4ing of #ssignments


Is it true th#t soling 7roblems m#4es us 2ise5


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* (*0 tot#l trees don#ted by the * f#milies

. Fixing Skills:e#d the 7roblem $#refully then #ns2er the follo2ing Guestions

brie&y.

#. There 2#s # bene@t sho2 for the or7h#ns. An the @rst d#y, there2ere )1* (1 7eo7le 2ho 2#t$hed the sho2. An the se$ond d#y,*( 9) 7eo7le 2#t$hed the sho2.


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1. "rs. ili# omeO e#rned P1, (0 in ye#r *00 2hile "r. S#momeO e#rned P1*, 000 for the s#me ye#r.


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*. to Element#ry S$hoolr#de 1 10 r#de 1*0r#de * 11) r#de ) 1

r#de - 1)*1.


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. Practice Exercises:Subtr#$t:1. * 9* *. *9 1( . * 1* - 1( ) - 1( 1( - ) 11

. Generalization:


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$.


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MATHEMATICS IV

Date: ___________

I. Objective:

Subtr#$t ) or more digit numbers from ( or more digit numbers 2ith $ontinuous or non $ontinuous Oeros in both the minuend #ndsubtr#hend 2ith regrou7ing.

II. Learning Content:Subtr#$ting l#rge numbers 2ith Oero di8$ulties

References:BEC-PEC I C 1.*.*Enfolding "#them#ti$s I%

Materias: sh$#rds, $h#rts, 7o$4et $h#rts


1. Drill: subtr#$t * digit numbers from * digit minuend 2ith the use of sh$#rds.

*. Review:

Dind the di3eren$e


6h#t goernment org#niOed hel7s 7oor 7eo7le5 7erien$ed #s4ing hel7 from some org#niO#tion5

*. Presentation:ed $ross is #n org#niOed, 2hi$h hel7s the 7oor 7eo7le. 'uring

the $ross 2ee4, they 2ere gien 1*,000 ti$4ets to sell for # bene@tsho2. They sold 0* ti$4ets only.


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MATHEMATICS IV

Date: ___________

I. Objective:

Estim#te the di3eren$e of t2o numbers 2ith four to si> digits.

II. Learning Content:Estim#ting the di3eren$e of t2o numbers 2ith four to si> digits.

References:BEC-PEC I C 1.Enfolding "#them#ti$s I%

Materias: sh$#rds


A. #re"arator$ Activit$:1. Drill: B#si$ Subtr#$tion f#$ts using sh$#rds.

()-1* + ( + - + - +

1*-10) + 10-( + 1- + 1*- +

*. Review: ounding o3 numbers to the ne#rest tens #nd thous#nds.

#. *) b. *) ( $. 1* ) d. 1 *


6h#t 2ould you do if you $#nnot #3ord to buy # greeting $#rd for your

loed ones5 6h#t do you get in m#4ing greeting $#rds for your loed

ones5

*. Presentation:Present the lesson thru Problem A7ener

The r#de 7u7ils of "#ybung# Element#ry S$hool m#de * )(9 greeting$#rds for their 7#rents 2hile the r#de 7u7ils m#de 1 )( $#rds. !bout

ho2 m#ny greeting $#rds did the gr#de 7u7ils m#4e th#n gr#de 5

#. 6ho m#de the greeting $#rds5b. 6hy did they m#4e the $#rds5$. To 2hom 2ill they gie the $#rds5d. 6ho #mong them m#de more $#rds5

!$tiity


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MATHEMATICS IV

Date: ___________

I. Objective:

Subtr#$t ment#lly numbers 2ith minuends u7 to 00 2ithout regrou7ing.

II. Learning Content:Subtr#$t ment#lly numbers 2ith minuends u7 to 00 2ithout regrou7ing.

References:BEC-PEC I C *Enfolding "#them#ti$s I%

Materias: sh$#rds


A. #re"arator$ Activit$:1. Drill: B#si$ Subtr#$tion f#$ts using sh$#rds.

1) 9 + 9 + 9 + 1 ) +

1* - + 11 ( + 1 + 10 ( +

*. Review: Subtr#$t the follo2ing.

#. *( b. ) * $. 9 * d. 9 (


'uring 2ee4ends, 2h#t do you do to hel7 your 7#rents e#rn e>tr#

in$ome5

(. Presentation:Present the lesson thru Problem A7ener

'uring 2ee4ends, e#h hel7s her mother sell fruits in the m#r4et. Inthe morning, she h#d ) m#ngoes, )) 2#termelons, 1* $hi$os, 1)0

#tis, 1 7omelo #nd 10 7#7#y#s. !t the end of the d#y, she h#d 1))

m#ngoes, )) 2#termelons, 1 $hi$os, *) 7omelos #nd 10 7#7#y#s5

#.


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. Practice Exercises:Mse ment#l m#th to sole.

1. '#nny 7l#nted ) u7o seedlings. Ernie 7l#nted () #m7#l#y#seedlings. 6ho 7l#nted more5

*. #n$y 7l#nted 7#t#ni seeds. Thirteen of them is not gro2.


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MATHEMATICS IV

Date: ___________

I. Objective:

Sole * ste7 2ord 7roblems inoling #ddition #nd subtr#$tionin$luding money.

II. Learning Content:Soling * ste7 2ord 7roblems inoling #ddition #nd subtr#$tion in$luding

money.

References:BEC-PEC I C .1Enfolding "#them#ti$s I%



1. Drill: Mse sh$#rds for the b#si$ #ddition #nd subtr#$tion f#$ts#. 9 + b. 9 + $. 1* ) + d. 1) + e. 9 9 +

*. Review: Dind the sum.*9 * *9 9 911

*1) 1* - *1 - 1( *9

%. Deveo"&enta Activities:

1. Motivation:'o you enHoy re#ding boo4s5 6h#t 4ind of boo4s do you loe to

re#d. Is it good to be # loer of boo4s5 6hy5

*. Presentation:lend# #nd erlie lo eto re#d boo4s. They #l2#ys go to the

libr#ry to re#d boo4s. lend# h#s re#d *9 boo4s #nd irlie re#d*1) boo4s. If their libr#ry h#s 10,000 boo4s, ho2 m#ny more boo4sh#e they not re#d yet5

et * or 7u7ils sho2 the solution on the bo#rd. 'is$usssolutions on the bo#rd.

10 000 *9 *1) ; + n10 000 ) + n

n + ) boo4s

. Practice Exercises:Sole the 7roblem.


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MATHEMATICS IV

Date: ___________

I. Objective:

!n#lyOe 2ord 7roblems inoling #ddition #nd subtr#$tion in$ludingmoney

II. Learning Content:!n#lyOing 2ord 7roblems inoling #ddition #nd subtr#$tion in$luding

money

References:BEC-PEC I C .1.1 .1.Enfolding "#them#ti$s I%

Materias: $h#rts, $#rtolin#, m#nil# 7#7er


1. Drill: Dind the sum/di3eren$e ment#lly#. *) b. $. 9 d. (

9( - ) -

*. Review: Tell something #bout the follo2ing:

#. *( m#gnoes, 0 b#n#n#sb. number of fruits$. *( 0 + n

d. #dditione. )( fruits


6h#t do you 4no2 #bout the 2ord e#rn, s#ings #nd e>7enses5

*. Presentation:uide the students in #n#lyOing #nd soling the 7roblems in

$l#ss. efer to the Guestions belo2.

#. 6h#t is #s4ed in the 7roblem5 The tot#l s#ings for the 2ee4b. 6h#t #re the gien5 P* )00 P 1 900 P )00$. 6h#t is the hidden Guestions5


56/230

g. 6h#t is the #ns2er5 P900 in # 2ee4

. Practice Exercises:e#d the 7roblem #nd sole.1. In 10, the number of oerse#s 2or4ers in the $ountry 2#s 1

01. it 2ent u7 to 9* * in 1). 6h#t 2#s the in$re#se in thenumber of oerse#s 2or4ers from 10 to 1)5

. Generalization:


57/230

MATHEMATICS IV

Date: ___________

I. Objective:

"ulti7ly ) or more digit f#$tors 2ithout #nd 2ith regrou7ing

II. Learning Content:"ulti7lying ) or more digit f#$tors 2ithout #nd 2ith regrou7ing

References:BEC-PEC I ' 1.1Enfolding "#them#ti$s I%

Materias: drill $#rds, 7i$ture, m#nil# 7#7ers, m#r4ers


1. Drill: B#si$ multi7li$#tion f#$ts#. > 9 + b. 10 > ) + $. > + d. > 9 + e. 9 > ( +

*. Review: Dind the 7rodu$t ment#lly#. 1* > ) + b. * > +$. 1 > + d. 1 > e. * > 9 +


Sho2 the 7i$ture of # m#ngo or$h#rd. Eli$it from the $hildren the#ns2er to the follo2ing Guestions:- 6h#t $#n you see in the 7i$ture5

- 'o you h#e fruits trees in your f#rm/b#$4y#rd5

*. Presentation:"#ng !mbo #nd his $o-2or4ers $#n g#ther *, * m#goes in #

d#y in their m#ngo or$h#rd. * > 1* > (> )


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59/230

MATHEMATICS IV

Date: ___________

I. Objective:

Dind the 7rodu$t of ) or more digit f#$tors by to ) digit f#$tors 2ith#nd 2ithout regrou7ing.

II. Learning Content:Dinding the 7rodu$t of ) or more digit f#$tors by to ) digit f#$tors 2ith

#nd 2ithout regrou7ing.

References:BEC-PEC I ' 1.*Enfolding "#them#ti$s I%

Materias: 7i$tures, stri7s of $#rtolin#, $h#rt


1. Drill: "ent#l Com7ut#tion;#. b. * $. 90 d. 91

> > > ( >

*. Review: Sole for the #ns2ers.

( * * 19 9 )*1> 1 > *1) > (*


Sho2 the 7i$ture of di3erent Phili77ine fruits. 6h#t is yourf#orite fruit5 6hy5

*. Presentation:#. Present the 7roblem

The Bure#u of Pl#nt Industry needs $hi$o seeds for tree7l#nting through out the $ountry. If 1,)9 s$hool $hildren 2ill7#rti$i7#te giing 1),1*0 seeds e#$h, ho2 m#ny seeds 2ill be$olle$ted by the Bure#u5

-


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1*00 @shes

. Practice Exercises:10 911 *0 011 *0 )00 90 00

0 00

> *00 > (0 > 101 > 00> * 000

. Generalization: 00 > 0 > 100 >)0 > 00


63/230

MATHEMATICS IV

Date: ___________

I. Objective:

Dind the 7rodu$t of ) or more digit f#$tors h#ing 1 to Oeros in bothf#$tors 2ith regrou7ing.

II. Learning Content:Dinding the 7rodu$t of ) or more digit f#$tors h#ing 1 to Oeros in both

f#$tors 2ith regrou7ing.

References:BEC-PEC I ' 1.Enfolding "#them#ti$s I%

Materias: sh$#rds


1. Drill: B#si$ multi7li$#tion f#$ts using sh$#rds#. 9 > + b. > 9 + $. 9 > 9 + d. ( > 9 +

*. Review: Dind the 7rodu$t*00 0 000 90 0*0 001 0> * > > > ) >

)0


Sing the song tune : !re you slee7ing;"#them#ti$s "#them#ti$s


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P1*,0(0 > )0 P(0,000

. Practice Exercises:

( 000 0 900 *0 )00 90 00 0 00 > 0 > 0 > 101 > 00

> * 000

. Generalization:


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B#rrio S#n !gustin 2#s hit by ty7hoon lu$ing l#st A$tober. The7resident 7romised to gie e#$h f#mily P1*,*)0. If there 2ere 100 f#miliesin the b#rrio, ho2 mu$h 2ill be gien to the f#milies in B#rrio S#n !gustin5

!n#lyOe the 7roblem#. 6h#t hit B#rrio S#n !gustin l#st A$tober5

b. 6h#t did the. 7resident 7romise e#$h f#mily in the b#rrio5$. 6h#t o7er#tions 2ill hel7 sole the 7roblem5d. 6h#t is the #ns2er5 Sho2 #nd dis$uss the solution on the bo#rd.

Ch#llenge the $l#ss to @nd the 7#ttern for the follo2ing!. )* 1( > + *09 ()*

)* 1( > 0 + * 09( )*0)* 1( > 00 + *0 9() *00)* 1( > 000 + *09 ()* 000

*. Practice Exercises

Sole for n.

#. 1 1* > )00 + n $. 9* *1 > 00 + n

b. * 1( > 00 + n d. ** 1) > 1 000 + n

. Generalization


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(0 1 *00 ( 000

1. *1 )

*. ) ((

. *) (

. )1 )*9

). 9) *

Sole the follo2ing l#ngu#ge of m#th 7roblems

1. "ulti7ly 90 to the sum of *0 #nd 190 gies # result of n. 6h#t is n5

*. 6h#t is the 7rodu$t of * 1) #nd )05

. 6h#t is 1 000 minus the 7rodu$t of ( #nd 9005


68/230

MATHEMATICS IV

'#te: ???????????

I. E!I ABLECTI%ES

Sho2 the di3erent 7ro7erties of multi7li$#tion

Value: Love or rea!in"

II. E!I CATET

S4ill: Identifying the 7ro7erties of multi7li$#tion

eferen$e: BEC-PEC I ' *

Enfolding "#them#ti$s I%

"#teri#ls: $ounters, $#rtolin# stri7s, $h#rt

III. E!I EUPEIECE

!. Pre7#r#tory !$tiities

1. Drill

!ns2er the f#st #s you $#n 2ritten on $#rtolin# stri7s; ( ) ( ; ( * ) ; ( ) ; (

*. Motivation

"iss '#isy h#s *) 7u7ils. She reGuired e#$h 7u7il to re#d t2o boo4s

for home re#ding 7er month.


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1. Presentation

*)>*+)06h#t #re the f#$tors5 'o you thin4 , th#t if 2e inter$h#nge the f#$tors,

the . 7rodu$t 2ill still be the s#me5 So,*)>*+*>*) )0+)0

Pro$edure: 'istribute 0 $ounters to e#$h 7#ir S#y * multi7li$#tion 7roblems using some f#$tors

e.g.>(,(>; E#$h student in 7#ir sho2s #nd soles one of the 7roblems

using $ounter Students $om7#re the 7rodu$ts #nd dis$uss e7e#t #$tiity ) 10 mins ;

'istribute $#rds to #ll the 7u7ils. E#$h $#rd $ont#ins # di3erentmulti7li$#tion f#$t su$h #s >*+9 #nd *>+9. E#$h $hild 2ill loo4 for

his/her 7#rtner. In$lude in the multi7li$#tion f#$ts 0 #nd 1, f#$tors li4e 0>1,1>0 +0, >1 + 1> + .


"#ng Tonyo 7re7#res his h#rest to be brought to the m#r4et. 00+00>)

1)00+1)000

. Generalization

6h#t #re the 7ro7erties of multi7li$#tion5 'e@ne e#$h.

emember: Commut#tie Pro7erty-Ch#nging the order of the f#$tors does

not $h#nge the 7rodu$t !sso$i#tie Pro7erty-$h#nging the grou7ing of the f#$tors does

not $h#nge the 7rodu$t . Rero Pro7erty-#ny number multi7lied by Oero eGu#ls Oero Identity 7ro7erty #ny number multi7lied by 1 eGu#ls the

number

I%. E%!M!TIA

6h#t 7ro7erty of multi7li$#tion is indi$#ted5


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1. ( > + > ( . 11 > 1

*. > ; > ( + > > ( ;). * > + > *

. > 0

%. !SSI"ET

Sole for #ns2er

1. ) 9 + 9 ) . ( > 0 + ???? ). +

???? + ???? ???? + ????

*. + . 90 > 1 + ????

???? + ????


71/230

MATHEMATICS IV

'#te: ???????????

I. E!I ABLECTI%ES

Identify the distribute 7ro7erty of multi7li$#tion oer #ddition.

Value: Di"nity o labor

II. E!I CATET

S4ill: Sho2ing the distribute 7ro7erty of multi7li$#tion oer #ddition.

eferen$e: BEC-PEC I ' *.(


"#teri#ls: sh$#rds, $h#rts, 7i$ture, $ounters, #$tiity $#rds

III. E!I EUPEIECE


1. Drill

Dl#sh # $#rds #nd drill the 7u7ils or#lly on multi7li$#tion f#$ts.

*. Motivation

ene 2or4s #s # dish2#sher in Chefoo rest#ur#nt in the #fternoon#fter his $l#sses.


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. ) > 10 ; + ?? > 10 ; ) > ; + ???

. ( > ; + ( > ; ?? > ; + ???

). ; > ) + > ) ; ?? > ; + ???

%. !SSI"ET

Sho2 the distribute 7ro7erty of multi7li$#tion oer #ddition then sole for the

7rodu$t.

E>#m7le: ( > + ( > ;

+ ( > ; ( > ;

+ * 19

+ *

1; > 1) *; > *1 ; * > ; 9 > 19 );

> 10


74/230

MATHEMATICS IV

'#te: ???????????

I. E!I ABLECTI%ES

Estim#te the 7rodu$ts of t2o f#$tors 2ith )-or more digits by *-to -digitnumbers

Value: Love or nature

II. E!I CATET

S4ill: Estim#ting the 7rodu$ts of t2o f#$tors 2ith )-or more digits by *-to

-digit numbers

eferen$e: BEC-PEC I '


"#teri#ls: $ut outs, $h#rt, #$tiity $#rds,

III. E!I EUPEIECE


1. Drill

B#si$ multi7li$#tion f#$ts#me: VPi$4ing u##sW

! 7u7il 7i$4s # gu## 2ith # multi7li$#tion f#$t. 7e$ted to gie di3erent numbers;b. E>7l#in th#t 2h#t they gie #re Hust estim#tes. They gie #n estim#tion of

the #mount of m#ngoes in the b#s4ets. They #re not sure #nd die not#$tu#lly $ount the number of m#ngoes in the b#s4ets.


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76/230

() 19 ) > 9( + ; )* 1( > +MATHEMATICS IV

'#te: ???????????

I. E!I ABLECTI%ES

"ulti7ly ment#lly * digit numbers 2ith 7rodu$ts u7 to *00 2ithout regrou7ing

Value: Health consciousness

II. E!I CATET

S4ill: "ulti7ly ment#lly * digit numbers 2ith 7rodu$ts u7 to *00 2ithoutregrou7ingeferen$e: BEC-PEC I '


"#teri#ls: te>tboo4, sh$#rds, #$tiity $#rds .

III. E!I EUPEIECE


1. Drill

B#si$ multi7li$#tion f#$ts using sh$#rds

*. Motivation

'o you li4e fruits5 6h#t is your f#orite fruit5 6h#t food nutrients do2e get from fruits5 6hi$h do you 7refer to e#t, $ho$ol#te $#ndies orfruits5 6hy5 6hy do 2e h#e to e#t fruits eeryd#y5

B. 'eelo7ment#l !$tiities

1. Presentation

Present this 2ord 7roblem.! 4ilo of m#ngo $ost P 90. ho2 mu$h 2ill you 7#y for * 4ilos5

#.


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$. C#n you sole it 2ithout using 7#7er #nd 7en$il5


Sole ment#lly.

#. Three #re ro2s of $h#irs in "iss un#Ks $l#ss. If three #re10 $h#irs ine#$h ro2, ho2 m#ny $h#irs #re there in #ll5

b. iO#l Prim#ry S$hool h#s se$tions for gr#de . E#$h se$tion h#d *7u7ils. + n *; * > )0 + n ; *1 > +n ; *1 > + n ); >(* +n


78/230

MATHEMATICS IV

'#te: ???????????

I. E!I ABLECTI%ES

6rite numbers of e>7onent form

Value: $ooperation

II. E!I CATET

S4ill: 6riting numbers in e>7onenti#l formeferen$e: BEC-PEC I ' )


"#teri#ls: te>tboo4, sh$#rds, #$tiity $#rds

III. E!I EUPEIECE


1. Drill

Mse sh$#rds in $ondu$ting this drill. Sele$t t2o to threeolunteers/7u7ils to #$t #s $ontest#nts. 6hoeer #ns2ers @rst 2ill e gien7oints until the time limit h#s been $onsumed.

E>#m7le: *) >* + ( > + ** > + 91 > * + 19 > )

+

*. Motivation

oo4 #t the gien d#t# belo2. oti$e ho2 the numbers #re 2ritten.St#nd#rdDorm

Produ$t Dorm E>7onent Dorm

* + * + * > *9 + * > * > *1( + * > * > * > ** + * > * > * > * > *( + * > * > * > * > *

> *


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81/230


82/230


83/230

1; )00 000 ; ( 000 000 000 ); 000 000*; 000 000 ; 0 000


84/230


85/230


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91/230

bo. MATHEMATICS IV

b7.

bG.'#te: ???????????

br.

bs. I. E!I ABLECTI%ES

bt. Soles *-ste7 2ord 7roblems inoling multi7li$#tion #nd #ny of

#ddition/subtr#$ting.

bu.

bv& Value:$ooperation

b'&

b>.II. E!I CATET

by. S4ill: Soling *-ste7 2ord 7roblems inoling multi7li$#tion #nd

#ny #ddition/subtr#$tion

bO. eferen$e: BEC-PEC I ' 9.1

$#. Enfolding "#them#ti$s I%

$b. "#teri#ls: te>tboo4, sh$#rds, $h#rt, le#rning #$tiity sheet 2ith ste7s in

#n#lyOing 2ord 7roblems

$$.

$d. III. E!I EUPEIECE

$e. !. Pre7#r#tory !$tiities

c& 1. Drill

$g. In the bl#n4 #fter e#$h 2ord n#me, 2rite the st#nd#rdn#me.$h. Story:

$i. The st#tue of iberty is one hundred @fty-one ?????feet t#ll. Theti7 of the tor$h is three hundred @e ?????feet #boe the ground. It 2#s# m#de 2ith oer three hundred ????? thin sheets of $o77er. To $limbthe to7 of the st#tue, there #re one hundred si>ty-eight ??? ste7s1. The l#rgest number in the story is ?????.*. The sm#llest number in the story is ?????.. The numbers in this story th#t #re less th#n 19( #re ???? #nd ???.. The numbers in this story th#t #re gr#ter th#n *00 #re ??? #nd ???.$H.

c(& *. Motivation


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93/230

(. 6h#t is the #ns2er5dG.

!r& *. Practice Exercises

ds. Sole the 7roblems $#refully

#. "#nny h#d bo>es of 7#7er. E#$h bo> $ont#ins ( 7l#tes.


94/230

n.

o. MATHEMATICS IV

7.

G. '#te: ???????????

r.

s. I. E!I ABLECTI%ES

t. 'iide ) or more digit numbers by -digit numbers 2ithout rem#inderu.

v& Value:Helpulness an! cooperation

'&

>. II. E!I CATET

y. S4ill: 'iiding ) or more digit numbers by -digit numbers

2ithout rem#inder

O. eferen$e: BEC-PEC I ' E.1.1

##. Enfolding "#them#ti$s I%

#b. "#teri#ls: 2indo2 $#rds, butter&y $ut outs

#$.

#d.III. E!I EUPEIECE

#e. !. Pre7#r#tory !$tiities

a& 1. Drill

#g. #me-C#t$hing the Butter&ies butter&y $utout from # g#rden of &o2ers #nd #ns2er the $ombin#tion #t the b#$4;. E#$h 7u7il 2ill get onebutter&y $utout.

#h. *0 Y ) * Y ) Y 1) Y #i. 10 Y * ( Y ( *1 Y *9 Y #H.

a(& *. Motivation

#l. ! 2hile #go, 2e used $ut outs of butter&ies. T#l4ing #boutthis inse$t, 2here do butter&ies st#y5 6hy is it th#t they loe to st#yin the g#rden5

#m. 6h#t #re g#rdens for5 6h#t do 2e @nd in this 7l#$e5#n. Present the lesson through this 7roblem:#o. uben hel7ed his f#ther in g#thering tom#toes in their

eget#ble g#rden. If he g#thered (1 9) tom#toes #nd 7l#$ed *1) in


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97/230

bs. MATHEMATICS IV

bt.

bu.'#te: ???????????

b.

b2. I. E!I ABLECTI%ES

b>. 'iide )-or more digit numbers by -or more digit * numbers 2ithout#nd 2ith rem#inder.

by.

bz&Value:Helpulness

ca&

$b. II. E!I CATET

$$. S4ill: 'iiding )-or more digit numbers by -or more digit numbers2ithout or 2ith rem#inder #nd soling 7roblems.

$d. eferen$e: BEC-PEC I E 1.*

$e. Enfolding "#them#ti$s I%

$f. "#teri#ls: sh$#rds, $h#rts, #$tiity sheets

$g.

$h. III. E!I EUPEIECE

$i. !. Pre7#r#tory !$tiities

c+& 1. Drill

$4. #me: -"i> #nd "#t$h$l. Te#$her, 7re7#res seer#l 7#irs of diision eGu#tions.

'istribute these to e#$h 7u7il in $l#ss. 6hen te#$her #nnoun$es mi>t#s4 of e#$h 7u7il in $l#ss is to mi> u7 2ith e#$h other. 6hen thete#$her s#ys Km#t$h t#s4 of e#$h 7u7il to loo4 for their 7#rtner 2hi$h2ill m#$h the $#rd th#t they #re holding. 'is$uss solutions in $l#ss.

$m. 1. ) Y 1() *. Y ( . Y 91 . ( Y *(

). Y 99$n.

co& *. Motivation

$7. 6h#t 4ind of init#tion did you re$eie5 I h#e here # story of #$l#ss 2ho 7re7#red some init#tion $#rds.

$G.


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100/230

*n.MATHEMATICS IV

do.

d7.'#te: ???????????

dG.

dr. I. E!I ABLECTI%ES

ds. 'iide 2hole numbers by 10, 100 #nd 1000

dt.

!u&Value:,illin"ness

!v&

d2. II. E!I CATET

d>. S4ill: 'iiding 2hole numbers by 10, 100 #nd 1000

dy. eferen$e: BEC-PEC I ' E 1.

dO. Enfolding "#them#ti$s I%

e#. "#teri#ls: sh$#rds, #$tiity sheets

eb.

e$. III. E!I EUPEIECE

ed. !. Pre7#r#tory !$tiities

ee& 1. Drill

ef. B#si$ diision f#$ts. Boys girls $ontest or do the rel#yg#meeg.eh. 1* Y + ???? )( Y 9 + ???? ( Y 9 + ?????

* Y 9 + ??? ei.

e+& *. Motivation

e4. The Bure#u of Pl#nt Industry 2ill distribute 1 000 m#ngoseedlings to 10 7roin$es.


101/230


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fy. . *g$. .gg. ).

g4.


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105/230

i". MATHEMATICS IV

iG.

ir. '#te: ???????????

is.

it. I. E!I ABLECTI%ES

iu. Estim#te the Guotient of -to )-digitdeieds by *-digit numbersi.

i'& Value: Helpulness an! cooperation

ix&

iy. II. E!I CATET

iO. S4ill: Estim#ting the Guotient of -to )-digitdeieds by *-digit numbers. H#. eferen$e: BEC-PEC I ' E *

Hb. Enfolding "#them#ti$s I%

H$. "#teri#ls: sh$#rd, $h#rts, drill bo#rd Hd.

He. III. E!I EUPEIECE

Hf. !. Pre7#r#tory !$tiities

+"& 1. Drill

Hh. "ent#l $om7ut#tion to sh#r7en your mind s4ill. ie theGuotient #s f#st #s you $#n.

1; 000 Y 0 *; ( 000 Y *0 ; 91 000 Y 0 ; 1 000 Y 0); * 000 Y 90

Hi. ++& *. Motivation

H4. 6h#t do 2e usu#lly so before entering # moie house5 If youdonKt 7#y for the ti$4ets, do you thin4 you $#n 2#t$h the sho25 6e #regoing to re#d # 7roblem reg#rding 7u7ils 2ho 2or4 for # $#use.

Hl. ! grou7 of students $olle$ted P1, *0.00 from the ti$4etssold for their st#ge 7l#y. E#$h ti$4et $osts P1).00.


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108/230

6h#t it#mins $#n 2e get from m#ngoes5li.

lH. B. 'eelo7ment#l !$tiities

l(& 1. Presentation

ll. e#d the 7roblem $#refully #nd gie the #ns2er 2ithout usingyour 7en$il #nd 7#7er.

lm. Qent #nd his three friends 7i$4ed 1* m#ngoes for the f#rm. They diided the m#ngoes eGu#lly #mong themseles.


109/230

&j.MATHEMATICS IV

m4.

ml.'#te: ???????????

mm.

mn. I. E!I ABLECTI%ES

mo. Sole 1-ste7 2ord 7roblems inoling diision of ) or more digitnumbers by or more digit numbers in$luding money

m7.m)& Value: .eatness an! or!erliness

mr&

ms.II. E!I CATET

mt. S4ill: Soling 1-ste7 2ord 7roblems inoling diision of ) or moredigit numbers by or more digit numbers in$luding money

mu. eferen$e: BEC-PEC I E .1

m. Enfolding "#them#ti$s I%

m2. "#teri#ls: $h#rts, sh$#rd, #$tiity sheetsm>.

my. III. E!I EUPEIECE

mO. !. Pre7#r#tory !$tiities

na& 1. Drill

nb. 6heel of fortune.n$. Pu7ils 2ill use the 2heel of fortune #nd #ns2er it.nd.

ne& *. Motivation

nf. 1. Sing the song V


110/230

n4. The $l#ss 2ill be diided into grou7s 2ith their le#der #nd

re$order. E#$h grou7 2ill be gien #n #$tiity sheet 2ith # 7roblem

situ#tion. e#d the 7roblemK $#refully #nd #n#lyOe it.

nl. "r. CruO, # f#$tory o2ner h#s 1)( 2or4ers. The 2ee4ly 7#y of the 2or4ers #mount to P19),*9.00. !bout ho2 mu$h does e#$h 2or4erget 2ee4ly5

nm. #. 6h#t is #s4ed in the 7roblem5

nn. b. 6h#t #re the f#$ts gien5

no. $. 6h#t o7er#tion is to be used5

n7. d. Tr#nsform the 2ord 7roblem into # number senten$e

nG. d. sole for the $orre$t #ns2er

nr. e. #bel your #ns2er

ns. The @rst grou7 to @nish 2ill be the one to 7resent their2or4.

nt.nu& *. Practice Exercises

n. e#d the 7roblems $#refully #nd sole for the #ns2er. 6rite thel#bel or units.

n2. 1. There 2ere *), *00 b#rs of so#7 #t the 2holes#le $ounter.If these 2ere distributed eGu#lly #mong 101 ret#ilers, ho2 m#ny b#rsof so#7 2ill e#$h ret#iler get5

n>.*. "r. PereO s7ent P 1, 99, ***.)0 for the b#ngus @ngerlings he

7l#$ed in his 1** @sh 7onds.


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114/230

). Tr#nsform this 7roblem into # number senten$e.Gm.

Gn.%. !SSI"ET

Go. 1. Constru$t 2ord 7roblems on the follo2ing d#t#:

G7. #. P () 0.00 Y *) +

GG. b. P *.00 Y 1( +

Gr. *. Ben h#s P 000 in P 100 bills ho2 m#ny 7ie$es of hundred 7eso

bill does he h#e5


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u$. 1. C#ll one 7u7il to re#d the 7roblem # loud5

ud. *.


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2.22. %. !SSI"ET

2>. Illustr#te the follo2ing fr#$tions

1; /9 of */

*; */) of */; /( of ̂; / of ]); )/9 of */

2y.

2O.


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yb. !n#lyOe the situ#tion gien.y$. #. ty-@e hundredths.yO. T2o tenths

O#. e#d the follo2ing de$im#ls or#lly.Ob. 0. 0.9 0.*9 0.0 0.1) 0.0O$.

Od. %. !SSI"ET

Oe. e#d or#lly

Of. 0. 0.1) 0.) 0.1 0.0) 0.(

Og.

Oh. 6rite #s de$im#ls

Oi. Three tenths


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-n. MATHEMATICS IV

Oo.

O7. '#te: ???????????

OG.

Or. I. E!I ABLECTI%ES

Os. en#me in de$im#l form fr#$tions 2hose denomin#tions #re 7o2ers of 10.

Ot.

zu&Value:$ooperation

zv&

O2.II. E!I CATET

O>. S4ill: en#ming in de$im#l form fr#$tions 2hose denomin#tions #re7o2ers of 10. 2riting fr#$tions #s de$im#ls.

Oy. eferen$e: BEC-PEC I II ! 1.

OO. Enfolding "#them#ti$s I%

###. "#teri#ls: illustr#tions, $ounters, $#rtolin# stri7s, #$tiity sheets##b.

##$. III. E!I EUPEIECE

##d. !. Pre7#r#tory !$tiities

aae& 1. Drill

##f. et the 7u7ils re#d the follo2ing de$im#ls using sh$#rds.##g. 0. 0. *.) .( 0. 0.*).() .*

##h.aai& *. Motivation

##H. 'istribute stri7s of $#rtolin# to the 7u7ils 2ith the follo2inginform#tion.

##4. Dour tenths 0.(##l. T2o #nd @e tenths 1*.##m. T2ele #nd three tenths 0.##n. T2o #nd @e hundredths *.0)##o. Thirty si> hundredths *.)##7.##G. The @rst 7#ir of 7u7ils 2ith the $orre$t de$im#ls in @gures #nd2ords 2ill $ome to the front #nd get the sti$4 2ith the 2ord V@rstW. Theother 7#irs 2ill do the s#me.


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1061. MATHEMATICS IV*)6.

*)63. Date: ___________

*)64.

*)65. . ',H"&(0":

utract a +raction +rom a whole numer

*)66.#$27. Value: Tain care of thins

*)68.

*)69. . !"A#$$% &'$("$(:

*)). utracting +ractions +rom whole numers.

*)*.

*). #e+erences:,"&-"!& D .*)3. "n+olding /athematics

*)4. /aterials: chart showing illustrati2e examples or step-7-step procedure +raction

ars cards

*)5.

*)6. . !"A#$$% ""#"$&":

*). A. reparator7 Acti2ities:*)8. *. Drill:

*)9. #eading similar +ractions using +lashcards

*)8). 4 36 56 44 4*) 8*)

*)8*.

*)8. . Review:

*)83. #enaming one as a +raction. @a2e them gi2e +raction names +or ones

such as

*)84. 33 44 55 66*)85.

*)86. 3. Motivation:

*)8. (al1 aout how the7 ta1e care o+ their things then proceed to reading this

prolem.*)88. ,e+ore the opening o+ classes #osario ought * meter o+ plastic to co2er her

noteoo1s. 'nl7 P o+ the material was le+t unused. ;hat part o+ the plastic did she use?

*)89.

*)9). ,. De2elopmental Acti2ities:

*)9*. *. Presentation:

*)9.

*)93. Discuss the steps to sol2e the prolem using the gi2en illustration

*)94. *. n how man7 parts is the meter o+ plastic di2ided?*)95. . @ow man7 meter o+ plastic was le+t?

*)96. 3. ;hat part o+ the plastic did she use?

*)9. 4. ;h7 do 7ou thin1 she co2ered her noteoo1 with plastic?

*)98.

#$11. . Practice Eercises:

**)). #ead and sol2e this prolem.

**)*. #omeo ought * whole illustration oard. @e shared U o+ it with his+riends. ;hat part o+ the illustration oard was le+t with him?


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1238. MATHEMATICS IV1239.

1240. Date: ___________

1241.

1242. I. Object!e:

ol2ing word prolems in2ol2ing sutraction o+ similar +ractions without regrouping

*43.

*44. Value:


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gr 4 mathematics 1st 4th

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