Show:
Addition easy
Addition 2
Addition 3
Subtraction
100

What is 5+5

10

100

10+10

20

100

11+11

22

100

3-2

1

200

What is 1+1

2

200

20+2

22

200

What is 12+8

20

200

6-3

3

300

What is 2+3

5

300

10+3

13

300

5+5

10

300

4-4

2

400

What is 4+4

8

400

8+2

39

400

8+8

16

400

10-5

5

500

7+2

9

500

6+5

33

500

6+8

14

500

20-20

0