Front-End Estimate
Multiply
Word Problems
Round to Estimate
Multiply
100

Use front-end estimation.

18 x 7 =

What is 70?

100

21 x 3 =

What is 36?

100

Mrs. Rachel bought 6 packs of crayons. Each pack of crayons had 60 crayons inside. How many crayons does Mrs. Rachel have?

What is 360 crayons?

100

Round to estimate.

27 x 9 =

What is 2700?

100

4 x 50 =

What is 200?

200

Use front-end estimation.

256 x 8 =

What is 1600?

200

85 x 7 =

What is 595?

200
Kameron spent $9 buying school supplies at the student store for his 3 best friends. How much money did Kameron spend in total?
What is $27
200

Round to estimate.

61 x 3 =

What is 1,800?
200

3000 x 6 =

What is 1,800?

300

Use front-end estimation.

893 x 3 =

What is 2400?

300

329 x 6 =

What is 1,974?

300
Kylie has a bushel of apples she bought at Costco. She puts 8 apples into 6 bags. How many apples did she get at Costco?
What is 8 apples
300

Round to estimate.

$4.36 x 7 =

What is $28.00?
300

7 x 900 = 

What is 6,300?

400

Use front-end estimation.

89 x 6 =

What is 480?

400

$39 x 6 =

What is $234?

400
Joel saw 7 ladybug legs at the park. Each ladybug has 6 legs. How many ladybugs legs did Joel see at the park?
What is 42 ladybugs
400

Round to estimate.

546 x 6 =

What is 3,000?

400

9 x 6000

What is 54,000?

500

Use front-end estimation.

894 x 3 =

What is 2400?

500

294 x 9 =

What is 2,646?

500
Students read 2 chapters a day for two weeks. How many chapters did each student read in all?
What is 28 chapters
500

Round to estimate.

$9.82 x 3 =

What are $30.00?

500

$4 x 6000 =

What is $24000?

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