6th Math Chapter 7 Alternate Review

Write an Equation

100

2 xx 1/2

1/2 + 1/2 = 1

200

3 xx 1/9

1/9 + 1/9 + 1/9 = 1/3

300

5 xx 2/25

2/25 + 2/25 + 2/25 + 2/25 + 2/25 = 2/5

400

4 xx 4/11

4/11 + 4/11 + 4/11 + 4/11 = 1 5/11

500

9 xx 10/40

10/40 + 10/40 + 10/40 + 10/40 + 10/40 + 10/40 + 10/40 + 10/40 + 10/40 + = 2 1/4

Multiplying Fractions

100

2 xx 3/11

6/11

200

10 xx 1/20

1/2

300

6 xx 2/3

4

400

2/9 xx 3/5

2/15

500

5/6 xx 3/10

1/4

Estimating

100

9 1/8 xx 2 2/9

18

200

3 7/9 xx 4 5/9

20

300

4 5/8 xx 2 1/3

10

400

9 7/8 xx 5/10

5

500

4/9 xx 12 1/2

6 1/2

Multiplying Decimals

100

8.5 x 2

17

200

93.1 x 6

558.6

300

0.39 x 27 

10.53

400

83.2 x 19

1,580.8

500

1.937 x 392

759.304

Powers of 10

100

123.456 x 10

1234.56

200

8.901 x 100

890.1

300

51 xx 10^3

51,000

400

39.13 xx 10^1

391.3

500

0.00505 xx 10^4

50.5