**Team Challenge!**

- Using your cards, figure out the highest number possible you can represent
- Count from 0 to the highest number using the cards. What pattern, if any, do you notice?
- Is there more than one way to get any number?
- What happens when you put a zero on the left of a binary number? What happens when you put a zero on the right of a binary number?
**Expert challenge:**Try making the numbers 1, 2, 3, and 4 in order again. Can you work out a logical and reliable method of flipping the cards to increase ANY number by 1?