Subtraction Relative To Addition Worksheet With Answer Key Page 11

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Name:
Subtraction Relative to Addition
Determine which number correctly answers both equations.
A n s w e r s
1) _____ + 9 = 20
2) _____ + 1 = 17
20 - 9 = _____
17 - 1 = _____
11
1.
16
2.
3) _____ + 13 = 20
4) _____ + 3 = 20
20 - 13 = _____
20 - 3 = _____
7
3.
17
4.
5) _____ + 3 = 18
6) _____ + 5 = 20
18 - 3 = _____
20 - 5 = _____
15
5.
15
6.
7) _____ + 4 = 15
8) _____ + 6 = 19
15 - 4 = _____
19 - 6 = _____
11
7.
13
8.
9) _____ + 7 = 10
10) _____ + 2 = 20
10 - 7 = _____
20 - 2 = _____
3
9.
18
10.
11) _____ + 2 = 15
12) _____ + 6 = 20
15 - 2 = _____
20 - 6 = _____
13
11.
14
12.
13) _____ + 6 = 14
14) _____ + 6 = 9
14 - 6 = _____
9 - 6 = _____
8
13.
3
14.
15) _____ + 1 = 6
16) _____ + 3 = 16
6 - 1 = _____
16 - 3 = _____
5
15.
13
16.
17) _____ + 1 = 18
18) _____ + 8 = 11
18 - 1 = _____
11 - 8 = _____
17
17.
3
18.
19) _____ + 8 = 17
20) _____ + 1 = 16
17 - 8 = _____
16 - 1 = _____
9
19.
15
20.
1-10 95 90 85 80 75 70 65 60 55 50
Math
6
11-20 45 40 35 30 25 20 15 10 5
0

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