3. How are negative numbers used in the real world? 1. Give an idea to a partner. 2. Get an idea from them. 3. Switch partners.

5. What numbers could be located at x and y ?

6. Are there other possibilities?

7. What numbers could be located at x and y ? Where is - x ?

13. Imagine that sitting in your seat is zero. If a number is positive, you need to stand up, because the number is positive or above zero. If a number is negative, you need to squat next to your desk because the number is negative, or below zero.

48. 100 0 200 -200 -100 100 above sea level 200 below sea level sea level