Addition
subtraction
100

what is 3+2?

5

100

what is the difference? 

the answer

200

what is the addend? the part or whole?

part

200

3-0

3

300

4+4

8

300

10-5

5

400

what is the sum? the part or whole? 

the whole

400

there are 5 rabbits and 4 bees. how many more rabbits are there?

1

500

3+__=5

2

500

there are 7 cows. 3 walk away. how many are left? 

4