Show:
Addition #1
Addition #2
Subtraction #1
Subtraction #2
100

What is 5+3 ? 

Answer : 8

100
What is 2 + 13 ? 

Answer 15

100

What is 10 - 3 ? 

Answer 7 

100

What is 10 - 9 ? 

Answer. 1 

200

What is 10+10? 

Answer 20 
200

What is 7 + 3? 

Answer 10

200

What is 5 - 2? 

Answer 3

200

What is 10 - 10 ? 

Answer 0 

300

What is 9+8 ? 

Answer 17 

300

What is 5 + 5 ? 

Answer 10

300

What is 15 - 5 ? 

Answer 10 

300

What is 6 - 1? 

Answer 5 

400

What is 20 + 13 ? 

Answer 33

400

What is 6 + 6 ? 

Answer 12 

400

What is 8 - 3 ? 

Answer 5 

400

What is 16 - 4 ? 

Answer 12 

500

What is 15 + 6 ? 

Answer 21 

500
What is 18 + 2 ? 

Answer 20 

500

What is 25 - 2 ? 

Answer 23

500

What is 20 - 5 ? 

Answer 15