Addition
Subtraction
Comparing
Models
Equal to
100

2/4 + 1/4 = ?

3/4

100

3/5 - 1/5 = ?

2/5

100

1/4 __ 1/5

1/4 > 1/5

100

Draw a model of 2/5

[~][~][ ][ ][ ]

100

1/4 = ?/12

3/12

200

3/8 + 2/8 = ?

5/8

200

3/3 - 2/3 = ?

1/3

200

3/6 __ 1/2

3/6 = 1/2

200

Draw a model of 3/10

[~][~][~][ ][ ][ ][ ][ ][ ][ ]
200

3/10 = ?/20

6/20

300

5/10 + 3/10 = ?

8/10

300

4/6 - 3/6 = ?

1/6

300

4/10 __ 3/5

4/10 < 3/5

300

Draw a model of 5/6

[~][~][~][~][~][ ]

300

2/8 = ?/24

6/24

400

8/16 + 5/16 = ?

13/16

400

12/15 - 6/15 = ?

6/15

400

5/12 __ 2/6

5/12 > 2/6

400

Draw a model of 3/3

[~][~][~]

400

1/2 = ?/6

3/6

500

4/16 + 6/16 = ?

10/16

500

17/25 - 11/25 = ?

6/25

500

8/10 __ 80/100

8/10 = 80/100

500

Draw a model that equals 1/2

[~][]

*any example that equals 1/2 works!

500

4/5 = ?/25

20/25