Powers of Ten
Estimating Products
Area Models
Partial Products
Standard Algorithm
100

The 10 in 10is called this.

What is the base?

100

The estimated product of 67 x 93.

What is 6,300?

100

35 x 12

What is 420?

100

12 x 14

What is 168?

100

15 x 4

What is 60?

200

The 4 in 10is called this.

What is an exponent?

200

The estimated product of 58 x 28.

What is 1,800?

200

62 x 15

What is 930?

200

55 x 17

What is 935?

200

546 x 3

What is 1,638?

300

When written as a multiplication expression, 10would be written like this.

What is 10 x 10 x 10 x 10 x 10?

300

The estimated product of 19 x 49.

What is 1,000?

300

885 x 2

What is 1,770?

300

23 x 4

What is 92?

300

67 x 23

What is 1,541?

400

The standard form of 103.

What is 1,000?

400

The estimated product of 125 x 43.

What is 5,200?

400

912 x 13 

What is 11,856?

400

370 x 3

What is 1,110?

400

921 x 21

What is 19,341?
500

23 x 105

What is 2,300,000?

500

The estimated product of 804 x 52.

What is 40,000?

500

524 x 21 

What is 11,004?

500

845 x 15

What is 12,675?

500

3498 x 78

What is 272,844?
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