Big Doubles
Add 10
Make 10
Subtract 10
Small Doubles
100

7+7

14

100

10+4

14

100

4+___=10

6

100

15-10

5

100

1+1

2
200

8+8

16



200

10+6

16


200

5+___=10

5

200

16-10

6


200

3+3

6

300

5+5

10

300

10+3

13

300

2+___=10

8

300

11-10

1

300

4+4

8

400

10+10

20

400

10+2

12

400

7+___=10

3

400

17-10

7

400

2+2

4

500

9+9

18

500

10+9

19

500

8+__=10

2

500

19-10

9

500

6+6

12