Subtraction
Addition
100

3-1=

2

100

4+1=

5

200

8-5=


3


200

5+4=

9

300

10-6=

4


300

10+3=

13

400

8-_=4

4

400

7+__=10

3

500

10-_=3

7

500

6+__=11

5