Summer School Math 7/8

1. 1. Complete the equation to make the statement true.

-8 + 17 + ____ = 0

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2. 2. The temperature started at 13 degrees and increased by 4 degrees. Then the temperature decreased by 8 degrees, then increased by 4 degrees. What iis them temperature now? Type the number answer only, no words.

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3. 3. Which expression is equivalent to -6 - (-2)?

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• -6 + 2

• 6 + 2

• 6 + (-2)

• -6 + 2

4. 4. Select 2 expressions that represents the following model.

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• -7 + (-3)

• 2 - 6

• -7 + 3

• -2 + 6

• -7 - (-3)

5. 5. Use the table shown to determine the difference, in degrees, between the temperatures in Manhattan, KS in July compared to January.

(July - January)

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• 23.4

• -23.4

• 29

• -29

6. 6. What is the temperature change in Winnipeg, Canada from January to July?

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• 31.3 degrees C

• 38.2 degreees C

• 1 degree C

• 36.9 degrees C

• -9.5(-2)

8. 8. Organize these options into the right categories.

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Groups:

(a) Positive Product

,

(b) Negative Product

,

(c) Neither

• -5(-4)

• 16(-2)

• -15(0)

• (-12)(-2)

• (-9)(8)

• 3(-7)(0)

• 6(14)

9. 9. Amazon stock begins the day at $42.21 per share. The price drops by $1.64 each hour. What number represents the drop in price after 6 hours?

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• $-9.84

• $-40.57

• $-32.37

• $-36.21