Olympic- Friends of Ten

Using the Olympic rings place a number from 0-10 into the rings so that the total is equal to 10. You may use a number more than once. How many different combinations can you use?

Enabling Prompt: 10 counters and five circles so that the kids can move the counters into each circle.

Extending Prompt: Try using the circles to make the total 20/30/40. You can only use a number once in this challenge.