# Warm-up October 1, 2013 - PowerPoint PPT Presentation

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Warm-up October 1, 2013. Chuck is 2 inches shorter than his sister, Jan. If j is Jan’s height, write an algebraic expression to represent Chuck’s height. 48 – (-6) = (-42.6) - (14.2) = (-43) - (-4.3) = C. Write an algebraic expression. 15 more than 8 times R

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Warm-up October 1, 2013

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### Warm-upOctober 1, 2013

• Chuck is 2 inches shorter than his sister, Jan. If j is Jan’s height, write an algebraic expression to represent Chuck’s height.

• 48 – (-6) =

• (-42.6) - (14.2) =

• (-43) - (-4.3) =

• C

### Write an algebraic expression

• 15 more than 8 times R

• 13 less than the product of 6 and Y

• Half of T plus 4

• The sum of 12 and the product of 7 and W

• Hilda’s sister is A years old. Hilda is 9 years less than twice the age of her sister.

• 8R +15

• 6Y – 13

• T/2 + 4

• 7W +12

• 2A - 9

### Combine like terms

6.) 6B + 8B + 5B + 3V – 2V

7.) 6G + 5T + 3G – 2T – 4G

8.)9H + 12H – 13H + 6 + 4J

9.)6M – 3M – 5M + 8U – 12U

10.)8K + 2W – 7K + 8 + 4W – 3W - 7

6.)19B + 1V or 19B + V

7. )5G + 3T

8. )8H + 4J + 6

9.)-2M - 4U

10.)K + 3W + 1

### Use the distributive property and combine like terms

11.)6 (5M + 6G)

12.)5 (4H – 4L)

13.)3 (3D + 3E) + 7

14.)14B + 12B + 5(7Y – 9K)

15.)11A + 3E + (5E + 2A) + (-5)(5F - 7R)

11.)30M + 36G

12.)20H - 20L

13.)9D + 9E + 7

14.)26B + 35Y - 45K

15.)13A + 8E + (-25F) - (-35R)

### Page 92 answers

• A12. A 22. 2 + c

• E13. 3 + y23. z - 8

• D14. x - 2 24. ½ r

• B15. r / 7 25. 4t

• E16. 5 + p26. z - 5

• A 17. Y - 2 27. 8 + m

• C 18. 3n 28. 3 / s

• B 19. h + 14 29. 4n

• D 20. 7 - r 30. z – 10

• B 21. 2y 31. 4x

• C 32. 12 - q