Multiply by Powers of 10
Divide by Powers of 10
Word Problems
Multiply to the millions
Estimation Nation
100

7 x 102

700

100

34.1 ÷ 102

0.341

100

Travis walks 2 miles each day. How many miles would he walk in 100 days?

200 miles

100

2 x 60

120

100

Estimate the product:

21 x 44

80

200

6.77 x 102

677

200

635.8 ÷  101

63.58

200

Kyndall saves $5 each day from doing chores. How many days would it take her to save $500?

100 days

200

30 x 50

1,500

200

Estimate the product:

19 x 68

1,400

300

0.736 x 103

736

300

8,930 ÷  102

89.3

300

Joseph eats 2,000 calories a day. How many calories would he eat in 20 days?

40,000 calories

300

60 x 8,000

480,000

300

Estimate the product:

11 x 603

6,000

400

6.392 x 104

63,920

400

178.19 ÷ 104

0.017819

400

Kierra saves $30 each month from doing chores. How much money would she have after 1 year?

$360

400

120 x 40,000

4,800,000

400

Estimate the product by rounding to the greatest place value:

289 x 721

210,000

500

0.2788 x 105

27,880

500

6 ÷ 103

0.006

500

Amerah takes 8,000 steps in 10 days. 

How many steps would she take in 100 days?

80,000 steps

500

3 x 200 x 7,000

4,200,000

500

Estimate the product by rounding to the greatest place value:

35 x 639

24,000

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