Powers of 10
2-Digit by 2-Digit
3-Digit by 2-Digit
Multi-Digit by 1-Digit
Multiplication Strategies
100

What is 43x100?

43

100

36 x 43 = 

1,548

100

876 x 12=

10,512

100

65 x 9

595

100

What strategy uses a box model to help you see the parts of the product?

Area Model

200

What is 43 x 102?

4,300

200

57 x 11=

627

200

Brock has 288 e-books on his e-reader. Xzaviar has 14 times as many e-books as Brock. How many e-books does Xzaviar have?

4,032 e-books

200

256 x 2

512

200

What strategy is the normal way to solve a multiplication problem?

Standard Algorithm

300

What is 43 x 1,000?

43,000

300

65 x 23=

1,495

300

A musical is playing at a theater that has 628 seats. How many tickets are available for 33 shows?

20,724 tickets

300

105 x 6

630

300

What strategy pulls out place value to help you multiply whole numbers?

Partial Products

400

What is 430 written as a power of 10?

43 x 101

400

26 x 26=

676

400

132 x 16=

2,112

400

1,265 x 5

6,325

400

What is this an example of?

315
x62?
-------

Standard Algorithm

500

Is the equation
7.9 x 104 = 7,900
correct?

The equation is incorrect. The product should have 3 zeros.

500

99 x 33=

3,267

500

Kaitlyn buys envelopes for her home office that come in boxes of 125 envelops. If she buys 18 boxes, how many envelopes will she have in all?

2,250 envelopes


500

5,489 x 4

21,956

500

What is this an example of?

600 x 2=

30 x 2=

2 x 2=

Partial Products