Adding and Subtracting Numbers up to 20 : Difficult Problems with Solutions

Problem 1
14 - 5 =
Problem 2
8 + 7 =
Problem 3
8 + 3 + 2 =
Problem 4
6 + 6 =
Problem 5
9 + 8 =
Problem 6
13 - 7 =
Problem 7
19 - 14 =
Problem 8
9 + 7 =
Problem 9
 


Problem 10
 



Problem 11
 


Problem 12
 


Problem 13
+ 8 = 17
Problem 14
- 10 = 10
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