Estimating Products
Multiplying by 10s and 100s
2 by 2 Digit Multiplication
3 by 1 Digit Multiplication
100

Estimate the product of 35 x 94

What is 3,600

100

The product of 6 x 900

What is 5,400

100

Draw an array to represent the product of 26 x 17

What is 442

100

The product of 136 x 4

What is 544

200

Estimate the product of 17 x 65

What is 1,400

200

The product of 36 x 20

What is 720

200

Draw an array to represent the product of 83 x 74

What is 6,142

200

The product of 267 x 8

What is 2,136

300

Estimate the product of 112 x 76

What is 8,800

300

The product of 27 x 300

What is 8,100

300

Use the standard algorithm to solve for 42 x 27

What is 1,134

300

The product of 476 x 3

What is 1,428

400

Carl volunteers about 32 hours each month at the local hospital. What is the best estimate of how many hours he volunteers in 12 months?


What is 300

400

Margaret walks 30 minutes every day. How many minutes does she walk in a month that has 31 days?

What is 930

400

An elevator can carry 15 adults or 25 children at one time. During the course of a day, the elevator carries a full passenger load 52 times. If all the passengers were children, how many more people would the elevator carry than if all the passengers were adults?

What is 520

400

An orchestra will give 7 performances in an auditorium that holds 462 people. In all, how many people can come to the performances?


What is 3,234

500

The workers at Mrs. Piper's apple grove picked 87 dozen apples. About how many apples did the workers pick?

What is 900

500

Angel sold 15 magazine subscriptions for $30 each. Walt sold 22 subscriptions for $20 each. Who raised more money? How much more money did they raise?

Angel raised more money. She raised $10 more than Walt.

500

If Chuck's Sports sells 87 fishing poles each month, how many fishing poles would be sold in 3 years?

What is 3,132

500

An adult panda can eat 138 pounds of bamboo each day. How many pounds of bamboo can a panda eat in a week?

What is 966

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