Addition Worksheet 1

1 a.   

540 + 10 = ________

1 b.   

730 + 20 = ________

2 a.   

830 + 50 = ________

2 b.   

500 + 60 = ________

3 a.   

620 + 0 = ________

3 b.   

850 + 20 = ________

4 a.   

660 + 10 = ________

4 b.   

300 + 30 = ________

5 a.   

450 + 10 = ________

5 b.   

200 + 40 = ________

6 a.   

130 + 40 = ________

6 b.   

320 + 50 = ________

7 a.   

740 + 40 = ________

7 b.   

660 + 20 = ________

8 a.   

950 + 20 = ________

8 b.   

330 + 50 = ________

9 a.   

220 + 50 = ________

9 b.   

440 + 50 = ________

10 a.   

170 + 0 = ________

10 b.   

560 + 30 = ________

 

Answer Key

 

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