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Add Within 20 - Worksheet 1

Grade 1MathAdd Within 20
Aligned to: 1.OA.C.6

Solve each addition problem.

1 + 4 =  
1 + 5 =  
2 + 7 =  
2 + 5 =  
1 + 3 =  
3 + 3 =  
7 + 1 =  
5 + 4 =  
9 + 6 =  
9 + 1 =  
6 + 1 =  
4 + 3 =  

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