More Subtraction Problems

1. How Many red circles are their when they combine together:

- = 2

2. How Many yellow circles are their when they combine together:

- = 1

3. How Many orange are their when they combine together:

- = 2

4. How Many green circles are their when they combine together:

- = 5

5. How Many blue circles are their when they combine together:

- = 4