Addition Worksheet 1

1 a.   

700 + _________ = 1200

1 b.   

_________ + 800 = 800

2 a.   

200 + _________ = 600

2 b.   

100 + ______ = 100

3 a.   

200 + _________ = 900

3 b.   

900 + _________ = 1400

4 a.   

900 + _________ = 1600

4 b.   

_________ + 1000 = 1900

5 a.   

800 + _________ = 1300

5 b.   

_________ + 800 = 1100

6 a.   

800 + _________ = 1700

6 b.   

1000 + _________ = 1900

7 a.   

200 + _________ = 400

7 b.   

600 + _________ = 1100

8 a.   

_________ + 800 = 1200

8 b.   

_________ + 400 = 1200

9 a.   

700 + _________ = 1100

9 b.   

_________ + 500 = 1000

10 a.   

400 + _________ = 1400

10 b.   

900 + _________ = 1700

 

Answer Key

 

Copying permission: You are free to copy this worksheet to any number of students for their mathematics work. Do not distribute on websites,
books, or any such material without permission.
Copyright Maria Miller / HomeschoolMath.net free worksheets