Unit 5 Multiplication Review

Powers of 10

100

10²

What is 100?

200

10⁴

What is 10,000?

300

10³

What is 1,000?

400

100,000 as a power of 10

What is 10^5?

500

1,000,000 as a power of 10

What is 10⁶?

Multiplying by Powers of 10

100

36 x 10²

What is 3,600?

200

43 x 100,000

What is 4,300,000?

300

? x 10⁵ = 56,300,000

What is 563?

400

378x?=3,780,000

10⁴ or 10,000

500

Is this correct?

13x10⁶=1,300,000

NO!

13,000,000

3 by 1 digit

100

413x7

What is 2,891?

200

327x6

What is 1,962?

300

188x7

What is 1,316?

400

237x9

What is 2,133?

500

Jacob earn $355 a week washing cars. How much does he earn in 8 weeks?

$2,840

3 by 2 digit

100

327x15

What is 4,905

200

135x23

What is 3,105?

300

623x64

What is 39,872?

400

792x11

What is 8,712?

500

378x29

What is 10,962?

4 by 2 and Misc.

100

1,432x73

What is 104,536?

200

83.5-3.642

What is 79.858

300

45.761 rounded to the nearest tenth

What is 45.8

400

2,682x35

What is 93,870?

500

921.07 in expanded form

(9x100)+(2x10)+(1x1)+(7x0.01)