Review

Powers of Ten

100

What is 10² in number form? 

100

200

Write 1,000 in exponential form

10³

300

Explain the pattern you see in the powers of ten.

Each power of ten increases by one zero

Multiplying by Tens

100

Multiply 5×100

500

200

Calculate 4×30

120

300

What is 8×70?

560

Two-Digit by One-Digit

100

Calculate 23×4

92

200

What is 45×3?

135

300

If 52×5=260, what is 52×6?

312

Two-Digit by Two-Digit

100

What is 12×14?

168

200

Calculate 23×45

1,035

300

What is 56×32?

1,792