Addition Worksheet 1

1 a.   

 800 + 400 = __________

1 b.   

 900 + 100 = __________

2 a.   

 400 + 100 = __________

2 b.   

 400 + 500 = __________

3 a.   

 600 + 800 = __________

3 b.   

 1000 + 500 = __________

4 a.   

 600 + 1000 = __________

4 b.   

 800 + 500 = __________

5 a.   

 300 + 700 = __________

5 b.   

 600 + 500 = __________

6 a.   

 800 + 600 = __________

6 b.   

 100 + 200 = __________

7 a.   

 800 + 700 = __________

7 b.   

 600 + 100 = __________

8 a.   

 400 + 400 = __________

8 b.   

 1000 + 300 = __________

9 a.   

 100 + 600 = __________

9 b.   

 1000 + 700 = __________

10 a.   

 800 + 300 = __________

10 b.   

 900 + 800 = __________

 

Answer Key

 

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