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100

Determine whether the fraction is closest to 0, 1/2, 1

9/10

1

100

7/10   +  9/10

16/10= 1 3/5

100

Add or subtract

2/9 + 1/3

5/9

100

Add or subtract

5/6 - 5/8

5/24

100

7/8         5/6

>

200

Determine whether the fraction is closest to 0, 1/2, 1

4/10

1/2

200

21 5/6  +  7 1/6

29

200

Add or subtract

9/16 + 3/4

1 5/16

200

Add or subtract 

7/8 + 2/3

1 13/24

200

5/10       3/6

=

300

Estimate and add

5/12   +  8/10

1 1/2

300

3 5/12  - 1 11/12

1 1/2

300

6/7 - 3/14

1 1/14

300

Add or subtract

4 5/12 + 3 5/9

7 35/36

300

16/8       2  1/4

<

400

Estimate and add

15 3/4  + 5 4/8

21 1/2

400

5 1/6 - 2 5/6

2 1/3

400

Add or subtract

7/9 - 5/18

1/2

400

Add or subtract 

5/6  - 1/9

13/18

400

3/9      5/7

<

500

Estimate and subtract

14 1/2 - 10 1/10

4 1/2

500

8 1/3 - 2 2/3

5 2/3

500

Add or subtract

2 9/10 - 1 3/5 

1 3/10

500

Add or subtract

5 - 1 2/3

3 1/3

500

7 10/12       7  3/8

>