Show:
Single Digit Addition
Single Digit Subtraction
Two Digit Addition
Two Digit Subtraction
Three Digit Addition and Subtraction
100

2+3

What is 5?

100

3-2

What is 1?

100

10+10

What is 20?

100

17-5

What is 12?
100

999-81

What is 918?

200

4+5

What is 9?

200

6-0

What is 6?

200

23+13

What is 46?

200

20-8

What is 12?

200

123+81

What is 204?
300

5+5

What is 10?

300

9-2

What is 7?

300

19+21

What is 40?

300

33-14

What is 19?

300

555-46

What is 509?

400

6+7

What is 13?

400

9-8

What is 1?

400

45+17

What is 62?

400

67-28

What is 39?

400

888+12

What is 900?

500

8+9

What is 17?

500

10-6

What is 4?

500

67+29

What is 96?

500

91-69

What is 22?

500

300-23

What is 277?