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Missing Numbers in Addition

English 15 Public

Adding and Subtracting

Study Slideshow

4+_ = 5

1

15

5+__ = 9

4

15

3+ __ = 10

7

15

15 + ___ = 20

5

15

13+ ___ = 16

3

15

13-2=

11

15

5+5+5=

15

15

5 - ___ = 3

2

15

8 - __ = 4

4

15

6+6=

12

15

12 - __ = 10

2

15

4+4+4=

12

15

18 - ___ = 9

9

15

9+9=

18

15

10+10=

20

15