racing about mountain
Post on 08-Feb-2016
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Created by V. S. BellH. H. Beam Elementary School
Gastonia, NC 28052
Draw a Rounding Hill!
About Mtn.
Make two boxes on the bottom sides.
Make one box at the top.
If a biker is riding over the hill and stops . . .
Where will he roll?
If a biker is riding over the hill and stops . . .
Where will he roll?
If a biker is riding over the hill and stops . . .
Where will he roll?
637
Round this number to the nearest ten.
Circle the tens place.The tens place value is 30!
30 40
3132
3334
3536
3738
39
30 will be the starting point for the rider!Where is the finish line?
637
30 40
3132
3334
3536
3738
39
Put the biker on the 37 mark!If he stops, where will he roll?
637
He will roll to the 40!
640
637 rounded to the nearest tens is 640!
422
Round this number to the nearest ten.
Circle the tens place.The tens place value is 20!
20 30
2122
2324
2526
2728
29
20 will be the starting point for the rider!Where is the finish line?
422
20 30
2122
2324
2526
2728
29
Put the biker on the 22 mark!If he stops, where will he roll?
422
He will roll to the 20!
420
422 rounded to the nearest tens is 420!
Now try a word problem with
rounding!
Word Problem:Ron had 42 marbles. Bill had 28 marbles.
About how many marbles did they have altogether.
HINT: Round each number before
adding.
40 50
45
4240
40
Remember to circle and underline
numbers and key clue words!
Word Problem:Ron had 42 marbles. Bill had 28 marbles.
About how many marbles did they have altogether.
HINT: Round each number before
adding.
20 30
25
28
40
Remember to circle and underline
numbers and key clue words!
3040 + 30 = 70They have about 70
marbles altogether.
Word Problem:Betty had 34
pennies. Raven had 19 pennies. About how many pennies
did they have altogether.
HINT: Round each number before
adding.
30 40
45
30
30
Remember to circle and underline
numbers and key clue words!
34
Word Problem:Betty had 34 pennies.
Raven had 19 pennies. About how
many pennies did they have altogether.
HINT: Round each number before
adding.
10 20
15
19
30
Remember to circle and underline
numbers and key clue words!
2030 + 20 = 50They have about 50 pennies altogether.
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