Ch. 2 Rational Numbers - 8th

Fractions and Decimals

100

D-->F in simplest form

0.75

3/4

200

D-->F in simplest form

5.96

5 24/25

300

F-->D

3/5

0.6

400

F-->D

19/20

0.95

500

F-->D

5 3/11

5.2727...

Compare Fractions

100

1/4 < or > 1/3

0.25 < 0.333

200

5/8 < or > 3/5

0.625 > 0.6

300

8/10 < or > 3/4

0.8 > 0.75

400

15/20 < or > 20/25

0.75 < 0.8

500

-7/9 < or > -5/11

-0.777... < -0.4545...

Multiply Fractions

100

2/4 xx 5/6

5/12

200

-3/8 xx (-4/9)

1/6

300

-6/9 xx 5/7

10/21

400

-1 1/3 xx (-5 1/2)

7 1/3

500

-4 1/4 xx 3 1/3

-14 1/6

Divide Fractions

100

4/7 div 8/9

9/14

200

-3/4 div 1/2

-1 1/2

300

-7 div -3/7

16 1/3

400

7 1 /3 div 4

1 5/6

500

-7 1/2 div 2 5/6 

-2 11/17

Add/Subtract Like Fractions

100

4/12 + 6/12

10/12 = 5/6

200

-9/16 + (-3/16)

-12/16 = -3/4

300

3/13 - (-11/13)

14/13 = 1 1/13

400

1 4/15 + 4 8/15

5 12/15 = 5 4/5 

500

-4 3/8 - 2 7/8

-6 10/8 = -7 1/4

Add/Subtract Unlike Fractions

100

1/6 + 1/2

8/12 = 2/3

200

1/4 - 5/6

-14/24 = -7/12

300

-3/7 - 2/3

-23/21 = -1 2/21

400

3 1/8 - 1 1/2

1 5/8

500

1 3/5 + 2 2/3

4 4/15