Show:
Addition (+)
Subtraction (-)
Money
100

3+1=

4

100

7-3=

4

100

1 dime + 2 pennies

12¢ 

200

6+6=

12

200

10-1=

9

200

1 quarter + 3 pennies

28 ¢ 

300

9+9=

18

300

12-10=

2

300

1 dime + 1 nickel

15 ¢ 

400

10+8=

18

400

20-10=

10

400

1 dime + 1 penny + 1 nickel

16 ¢ 

500

10+12=

22

500

32-11=

21

500

1 dollar + 2 dimes+ 3 pennies 

$ 1. 23