Math Review!

Forms

100

How would you say 9.9?

nine and nine tenths

200

How would you write one thousand and three tenths in standard form?

1,000.3

300

How do you say 345,643.5?

Three hundred forty five thousand six hundred forty three and five tenths

400

What is eight and fifty nine hundredths in standard form?

8.59

500

Write 342 in expanded form.

300 + 40 + 2 

Powers of 10

100

9 x 10³ =

9,000

200

3.3 x 10² =

330

300

17.345 x 10⁴ =

173,450

400

50 x 10³ = 

50,000

500

19.876 x 10¹=

198.76

Comparing Numbers

100

Which is larger 32.44 or 32.04?

32.44

200

Which is larger 3.33 or 3.332?

3.332

300

Which is smaller 0.043 or 0.034?

0.034

400

Which is larger 8.08 or 8.080?

Neither- they are equal!

500

Order from least to greatest: 2.67; 2.07; 22.3; 20

2.07; 2.67; 20; 22.3

Values

100

What is the value of the 3 in 456.342?

3 tenths

200

What is the value of the 8 in 82,795.3?

eighty thousand

300

What is the value of the 4 in 9.342

4 hundredths

400

What is the value of the 4 in 75.534

4 thousandths 

500

What is the value of both of the 5's in 523.325?

500 and .005