1. Do Now 9/23 The opposite of 4 is _________. The additive inverse of -6 is_________. If d = 7 and a = -3… -d = -a = -(d a) = a a a =

2. Do Now Quiz Corrections +, -, or 0 Whiteboard Review Packet Homework: Finish page 1 of review packet.

3. Positive, Negative, or 0? Whiteboard Activity

4. Is it Positive, Negative or 0? Question: C Answer: C is positive because it’s on the right side of zero.

5. Is it Positive, Negative or 0? Question: D Answer: D is negative because it’s on the left of zero.

6. Is it Positive, Negative or 0? Question: C + 2 Answer: C + 2 is positive because a positive plus another positive number is positive.

7. Is it Positive, Negative or 0? Question: C - 2 Answer: Positive because C is greater than 2.

8. Is it Positive, Negative or 0? Question: 2 - C Answer: Negative, because a smaller number minus a bigger number will be negative.

9. Is it Positive, Negative or 0? Question: C - C Answer: Zero. Any number minus itself is zero.

10. Is it Positive, Negative or 0? Question: D ÷ C Answer: Negative. A negative divided by a positive is a negative.

11. Is it Positive, Negative or 0? Question: d c Answer: Negative. A negative multiplied by a positive is a negative.

12. Is it Positive, Negative or 0? Question: d Answer: Positive. A negative times a negative is a positive.

13. Is it Positive, Negative or 0? Question: -(d d) Answer: Negative. A negative negative is positive. Then the opposite of positive is negative.

14. Is it Positive, Negative or 0? Question: -c Answer: Negative. Because the opposite of a positive is a negative.

15. Is it Positive, Negative or 0? Question: -d Answer: Positive. Because the opposite of a negative is a positive.

16. Is it Positive, Negative or 0? Question: c-d Answer: Positive. Because we are adding the opposite.

17. Is it Positive, Negative or 0? Question: |d-c| Answer: Positive. The absolute value is always positive.

18. Is it Positive, Negative or 0? Question: d - d Answer: Zero. Any number minus itself is zero.