1. Operations with Rational Numbers Warm Ups

2. Warm Up
1. Sam is two levels below the lobby in an office building. He gets on the elevator and goes up 44 floors. What floor does he end up on?

3. Warm Up = = = = = =

4. Warm Up Warm Up Compare: 1) -8 -5 2) 7.3 7.23 |-9| 9 -2/3 -1/51) 2)
|-9|
-2/ /5
Put in order from least to greatest:
¾ /

5. Warm Up Warm Up Compare: 1) -9 -5 2) - 0.3 - 0.23 |-8| 8 -1/2 -2/51) 2)
|-8|
-1/ /5
Put in order from least to greatest: /

6. Warm Up
4 + -9
-4 - (-9)
-32 ÷ 4
-8 • -7

7. 1) 3 + (-5) = Warm Up 2) -4 + -7 = 3) (+3) + (-4) = 4) 6 + -7 =
1) 3 + (-5) =
2) =
3) (+3) + (-4) =
4) =
5) =
6) =
7) =
8) 9 + (-2) =
9) =
10) =

8. Warm Up
Substitute the value for each variable and solve a = 3 b = 2 c = c + b² 2. 8c – 8a

9. Warm Up
3 – 7 =
4 – (-2) = = =
6 • -7 =
-56 ÷ -8 =

10. Warm Up

11. Warm Up
12 + (-8) =
- 3 – (-11) = =
5 – 9 = =

12. Warm Up

13. 2 + (-5) – 3= 4 – (-1) + 8 = -6 – 9 + 7 = -4 – (-9) – 8 =
Warm Up
2 + (-5) – 3=
4 – (-1) + 8 =
-6 – =
-4 – (-9) – 8 =

15. Warm-Up
1. -2 – (-5) =
2. 4 – 9 = =
-7 – 3 = =

16. Warm Up
1.) −10 +−7 +−14 2.) −7 +− ) − ) −5 +−9 +−16 5.) − ) 16 +− ) −14 +− ) 13 +− ) 16 +− ) −

17. Warm Up
1) -5 – (-7) = ______ 2) 5 – 7 = ______ 3) 5 – (-7) = _____ 4) 3 – (-11) = _____ 5) 3 – 11 = _____ 6) -3 – 11 = _____ 7) -3 – (-11) = _____

18. Warm Up

19. Warm Up
Warm Up

20. Warm Up =
-4  -3  -2 =
3 – 9 =
-32 ÷ 8 =
9² =
2³ =

21. Warm Up 1. 2. 4 3.

22. Warm Up 1. 2.

23. Warm Up

24. Warm Up
1. How do you compare fractions, decimals, and percents? 2. How do you change a fraction to a decimal? 3. 4/5 = __________ 4. How do you change a percent to a decimal? 5. 43% = ________

25. Warm Up

26. Warm Up

27. Warm Up
How do you change a mixed number to a decimal number? (Example: 3 ⅛ = _____)
How do you change a fraction to a percent?
(Example: 2/5 = _____%)

28. –
( ) - 35
Warm Up

29. Warm Up