courtesy of free memory- flash cards improvement- … · flash cards 13-17 courtesy of memory-...

Free Addition Flash Cards13-17

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14 + 0 14

13 + 0 13

0 +15 15

0 +16 16

13 + 1 14

17 + 0 17

14 + 1 15

1 +15 16

17 + 1 18

1 +16 17

13 + 2 15

14 + 2 16

2 +16 18

2 +15 17

17 + 2 19

13 + 3 16

3 +15 18

14 + 3 17

3 +16 19

17 + 3 20

14 + 4 18

13 + 4 17

4 +15 19

4 +16 20

13 + 5

18

17 + 4 21

14 + 5 19

5 +15 20

17 + 5 22

5 +16 21

13 + 6 19

14 + 6 20

6 +16 22

6 +15 21

17 + 6 23

13 + 7 20

7 +15 22

14 + 7 21

7 +16 23

17 + 7 24

14 + 8 22

13 + 8 21

8 +15 23

8 +16 24

13 + 9

22

17 + 8 25

14 + 9 23

9 +15 24

17 + 9

26

9 +16 25

13 +10 23

14 +10 24

10 +16 26

10 +15 25

17 +10 27

13 +11 24

11 +15 26

14 +11 25

11 +16 27

17 +11 28

14 +12

26

13 +12 25

12 +15 27

12 +16 28

13 +13 26

17 +12 29

14 +13 27

13 +15 28

17 +13

30

13 +16 29

14 +14 28

15 +14 29

14 +17 31

14 +16 30

15 +15 30

16 +15 31

16 +16

32

15 +17 32

16 +17 33

17 +17 34

Numbers tobe added Addends

Commutative Property

of Addition

5 + 3 = 3 + 5(order of addends doesn't matter; “commute” means

to move around)

Result of addition

(the answer)Sum