Show:
Addition
Subtraction
Random
100

6+1=

What is 7?

100

12-2=

What is 10?

100

600+100= 


What is 700?

200

9+3=

What is 12?

200

12-4=

What is 8?

200

20-5=

What is 15?

300

2+7=

What is 9?

300

19-6=

What is 13?

300

56-6=

What is 50?

400

8+12=

What is 20?

400

23-6=

What is 17?

400

47+9=

What is 56?

501

10+63=

What is 73?

501

74-8=

What is 66?

501

12-12=

What is 0?