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Laabri

7th Math Unit 1 Assessment

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Asemmisa {{asɛmmisaAhyɛnsode}}
1.

Solve the problems:

Kesia is practicing her free throws. She made ⅝ of the shots she took at basketball practice today.

Part A: Use long division to find the decimal equivalent of ⅝.

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2.

Part B; Kesia knows that ¼ = 0.25. Explain how she could use this fact to determine the decimal equivalent of ⅝.

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3.

Which expression has a negative value?

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4.

The temperature of a liquid in an experiment starts at 0 degrees C. The experiment calls for the temperature of the liquid to change at a rate of -0.8 degrees C per minute. How long will it take for the liquid to reach -10.8 degrees C? Estimate to show that your answer is reasonable.

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5.

Juan saves 5/7 of the money he makes babysitting. What is 5/7 written as a decimal?

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6.

Look at the following equation. Choose True or False for each selection.

-2.5 + (-3.5) = -6

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7.

Look at the following equation. Choose True or False for each selection.

-5 ⅔ = 1 ⅓ -(-7)

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8.

Look at the following equation. Choose True or False for each selection.

-1 ¼ + 2--¾ = --(1 ¼ + ¾) + 2

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9.

Look at the following equation. Choose True or False for each selection.

-4 - (-12) =12 + (-4)

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10.

Which of the following expressions represents a positive number? Choose all that apply.

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11.

The temperature of a solution in a science experiment is -6.2 degrees C. Jesse wants to raise the temperature so that it is positive. Give an example of a number of degrees Celsius by which Jesse could raise the temperature.

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12.

The temperature of a solution in a science experiment is -6.2 degrees C. Jesse wants to raise the temperature so that it is positive. Write an equation to represent the situation.

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13.

Fill in the blank to make the equation true.

-6.5 * (-0.4) = ___

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14.

Fill in the blank to make the equation true.

______* 9/5 = -27

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15.

Fill in the blank to make the equation true.

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16.

Fill in the blank to make the equation true.

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17.

Fill in the blank to make the equation true.

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18.

Look at the following statement. Choose True or False for each statement.

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19.

Look at the following statement. Choose True or False for each statement.

3.14 is a terminating decimal.

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20.

Look at the following statement. Choose True or False for each statement.

The decimal equivalent of 13/6 is. repeating decimal.

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21.

Look at the following statement. Choose True or False for each statement.

The decimal equivalent of 9/4 is a repeating decimal.

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22.

Which situation could the expression -16/4 represent?

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23.

Consider the expression 6 + (-3.25).

Describe a situation that could be represented by the expression.

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24.

Consider the expression 6 + (-3.25). Find the sum and explain what is means in the context of the situration you created in question 24.

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25.

Add or subtract.

-28 - (-16) = _______

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26.

Add or subtract.

45 + (-12) = _______

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27.

Add or subtract.

_____ = 15-37

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28.

Cody claims that when 1/6 is multiplied by a negative number, the result will always be less than 1/6. Do you agree with Cody. Explain you answer and give examples to support your answer.