Missing number

Find the missing number in each sum. A fresh sheet every time.

Name:
Date:
Score: ____ / 20
  + 4 = 14
12 +   = 16
  + 13 = 15
16 +   = 19
  + 3 = 20
  + 10 = 14
1 +   = 16
7 +   = 11
9 +   = 11
  + 4 = 20
6 +   = 11
8 +   = 18
  + 6 = 13
  + 10 = 11
2 +   = 18
9 +   = 15
6 +   = 17
  + 6 = 17
  + 15 = 18
5 +   = 19

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