1. Race Car Integers October 18, 2013

2. Race Car Rules / Positive numbers mean “forward” / Negative numbers mean “reverse” / Add means “keep going” / Subtract means “turn around” / Positive numbers mean “forward” / Negative numbers mean “reverse” / Add means “keep going” / Subtract means “turn around”

3. Race Car Rules / Example: 3 + 4 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

4. Race Car Rules / Example: 3 + 4 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

5. Race Car Rules / Example: 3 + 4 = 7 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

6. Race Car Rules / Example: 3 + –4 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

7. Race Car Rules / Example: 3 + –4 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

8. Race Car Rules / Example: 3 + –4 = –1 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

9. Race Car Rules / Example: 3 – 4 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

10. Race Car Rules / Example: 3 – 4 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

11. Race Car Rules / Example: 3 – 4 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

12. Race Car Rules / Example: 3 – 4 = –1 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

13. Race Car Rules / Example: 3 – (–4) –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

14. Race Car Rules / Example: 3 – (–4) –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

15. Race Car Rules / Example: 3 – (–4) –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

16. Race Car Rules / Example: 3 – (–4) = 7 –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

17. Race Car Rules / Example: 5 – (–2) = ? –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

18. Race Car Rules / Example: –5 – (–2) = ? –15–10–5051015 -3 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

19. Race Car Rules / Example: –5 – 2 = ? –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”

20. Race Car Rules –15–10–5051015 Positive numbers mean “forward” Negative numbers mean “reverse” Add means “keep going” Subtract means “turn around”