Unit 8 math review

8.1 division with decimals, and powers of 10

100

7.9 ÷ 10 = ?

0.79

200

345.5 ÷ 0.1 = ? 

3455

300

29.7 ÷ 0.001 = ? 

29,700

400

7.5 ÷ 1,000 = ?

0.7500

500

17.3 ÷ 0.0001 = ?

17,300

8.2 Estimate quotients of decimals

100

13.2 ÷ 7.4 = ?

17.2

200

Harriet spends $12.58 on some sticker. Each sticker costs $0.06. About how many stickers did Harriet buy?

210

300

7.78 ÷ 0.84 = ?

9.2

400

35.6 ÷ 5 = ?

7.12

500

4.2 ÷ 0.96 = ?

A. 43.75

B.33.75

C.4.3

D.0.43

C, 4.3

8.3 represent division of decimals by a whole number

100

2.5 ÷ 5 = ?

 0.5

200

1.86 ÷ 3 = ?

0.62

300

6.5 ÷  5 = ?

1.3

400

14.6 ÷ 8 = ?

1.82500 or 1.825

500

13.2 ÷ 12 = ?

1.1

8.4 divide decimals by whole numbers

100

What is equal to 0.36 ÷ 3?

36 hundreths, ÷ 3

200

Wich is an equivalent represenation of 3.5 ÷ 5 ?

A. 35 tens ÷ 5

B. 35 ones ÷ 5

C. 35 tenths ÷ 5

D. 35 hundredths ÷ 5

C, 35 tenths ÷ 5

300

What is equivalent to 2.16 ÷ 4?

216 hundreths ÷ 4

400

1.08 ÷ 9 = ?

0.12

500

15.6 ÷ 8 = ?

1.95

8.5 Divide Decimals, by Decimals

100

10.8 ÷ 1.2 = ?

9

200

16.8 ÷ 4.2 = ?

4

300

9 ÷ 0.6 = ?

15

400

5.18 ÷ 0.74 = ?

7

500

702.90 ÷ 9.90 = ?

71