Basic Addition
Doubles
Adding up to 7-Digit Numbers
Identity Property
Commutative Property
100

1 + 2

3

100

2 + 2

4

100

9 + 9

18

100

7 + 0

7

100

4 + 3 = _ + _

3 + 4

200

3 + 5

8

200

7 + 7

14

200

24 + 73

97

200

56 + 0

56

200

True or false? 14 + 19 = 19 + 14

True

300

3 + 7

10

300

9 + 9

18

300

6,111 + 1,823

7,934

300

1,945 + 0

1,945

300

12 + 5 = _ + __

5 + 12

400

7 + 8

15

400

14 + 14

28

400

45,540 + 24

45,564

400

56,234 + 0

56,234

400

19 + 25 = __ + __

25 + 19

500

8 + 9

17

500

35 + 35

70

500

123,456 + 876,544

1,000,000

500

634,234 + 0

634,234

500

5 + 6 = __ + __ (Now more than 1 answer)

6 + 5, 7 + 4, 4 + 7, 3 + 8, 8 + 3, 10 + 1, 1 + 10, 11 + 0, 0 + 11, 9 + 2, 2 + 9

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