Doubles
Addition
Near Doubles
Subtraction
Missing Addends
100

7+7=

14

100

4+6=

10

100

6+7=

13

100

6-3=

3

100

4+ ? = 10

6

200

8+8=

16

200

8+2=

10

200

7+8=

15

200

10-6=

4

200

5 + ? = 12

7

300

9+9=

18

300

11+8=

19

300

9+10=

19

300

9-4=

5

300

7 + ? = 15

8

400

11+11=

22

400

12+9=

21

400

10+11=

21

400

13-2=

11

400

10 + ? = 18

8

500

12+12=

24

500

11+14=

25

500

12+13=

25

500

22-4=

18

500

9 + ? = 18

9

M
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