Estimating for Multiplication and Division
Multiplying
Dividing
Writing Expressions
Evaluating
100

5.9(3)

18

100

0.08*16

1.28

100

0.03/10

0.003

100

Some number of groups of 63

63x

100

8.2m, when m=0.5

4.1

200

$102.45(2.1)

$200

200

0.31*0.7

0.217

200

144970/665

218

200

4783.3 divided by 2

4783.3/2

200

d/c, when d=300 and c=0.6

500

300

885/30.9

30

300

3.04*0.6

1.824

300

4.824/0.8

6.03

300

Write a word phrase for: 56.9*c

56.9 times c or any other appropriate response.

300

150c/d, when c=0.6 and d=300

0.3

400

63.28/4.4

16

400

1.54*1.98*0.15

0.45738

400

0.03/0.025

1.2

400

one and six tenths divided by p

1.6/p

400

the quotient of f and 15.78, when f=78.9

5

500

449.024(40.29)

10

500

Isabelle works 38.25 hours a week. She makes $15.84 each hour she works. How much does she earn in 10 weeks?

$6058.80

500

Mr. Arias is building a birdhouse. The hardware store sells scraps of pine board for $0.48 each. How many scraps of pine board can Mr. Arias buy for $12?

25 pieces. 

500

The product of 5 and some number times 53

5n*53

500

a times 2.1 multiplied by 2.02, when a=40

169.68

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