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Algebra 1Mrs. Honeycutt

Warm-up:

Objectives: 1) To model relationships with variables.

2) To model relationships with equations and formulas.

What Language Is This?a) Die fette Katze geht schnell.

b) El gato gordo camina rápidamente.

c) Il gatto grasso cammina velocement.

d) Le gros chat marche rapidement.

e)O gato gordo anda rapidamente.

f) The fat cat walks fast.

German

Spanish

Italian

French

Portuguese

English

What Language Is This?

g) Math

42 3• 4 (82)3

#14 more than p.

#1 #2

p + 4

4 less than p.4 more than p.

#3#2

p - 4

the product of 15 and c.

4 less than p.

#4#3

15c

the sum of 12 and five times m.

the product of 15 and c.

#5#4

5m + 12

What language is this:

математика - мой друг.

the sum of 12 and five times m.

#6#5

Russian.

What language is this:

математика - мой друг.

What does this mean in German?

Mathematik ist mein Freund.

#7#6

Mathematics is my friend.

What does this mean in German?

Mathematik ist mein Freund.

the quotient of a number and six.

#8#7

n/6

the quotient of a number and six.

the product of 5 and m minus the quotient of t and 7.

#9#8

5m - t/7

the product of 5 and m minus the quotient of t and 7.

four times the sum of a number and 10.

#10#9

4(n + 10)

four times the sum of a number and 10.

write this in English:

5n - 7

#11#10

seven less than five times a number

write this in English:

5n - 7

write this in English:

q/6 + 7

#12#11

seven more than the quotient of q and six.

write this in English:

q/6 + 7

ten less than five times a number

+ - x -..

+ - x -..Sum

Add

More Than

Increase

Difference

Subtract

Less Than

Decrease

Product

Multiply

Times

(Twice)

(Triple)

Quotient

Divide

Ratio

(Halved)

a) 12 more than 9 b) 8 less than 13

c) 16 divided by 4 d) Twice 25

Variable :

Expression :

a symbol, usually a letter, that represents a number.

Examples)

a phrase that includes numbers, variables, and operation symbols.

Examples)

a) Seven more than n

b) The difference of n and 7

c) The product of seven and n

d) The quotient of n and seven

Defining a Variable :

Examples)

a)Two times a number plus 5

Let n = the number

2n + 5

b) 7 less than three times a number

c) An Algebra textbook costs $55. A desk costs $60. If those are the only educational expenses for this classroom, write an algebraic expression to illustrate the total expenses.

Activity (if time): Verbal Expressions Bingo

Homework: http://honeycutt.pbworks.com/w/page/44422300/Algebra%201%20Assignments