Counting
Single digit addition
Double digit addition
Subtraction
100

How many stars?

* * * * 

4 stars 

100

1+1=?

What is 2?

100

10+0=?

What is 10?

100

5-2=?

What is 3?

200

How many stars?

* * * * * * 

6 stars

200

3+2=?

What is 5?

200

12+3=?

What is 15?

200

1-1=?

What is 0?

300

How many stars?

* * * * * * * * * 

9 stars

300

3+5=?

What is 8?

300

11+2=?

what is 13?

300

10-7=?

What is 3?

400

How many stars?

* * * * * * * * * * * * *

13 stars

400

6+3=?

What is 9?

400

17+1=?

What is 18?

400

15-8=?

What is 7?

500

How many stars?

* * * * * * * * * * * * * * * * * * * * 

29 stars

500

9+3=?

What is 12?

500

15+4=?

What is 19?

500

20-9=?

What is 11?