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Laabri

12/12 Unit 1 Review Practice!

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Last updated almost 2 years ago
42 Nsɛmmisa
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1.

Solve!

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2.

Solve!

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3.

Solve!

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4.

Solve!

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5.

Solve!

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6.

Place the expressions below under the best property you would use FIRST in order to solve.

  • Distributive Property

  • Multiplicative Inverse

  • Commutative Property of Multiplication

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7.

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8.

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9.

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10.

What property makes the following equation true? (Just type in the first word: associative, commutative, or distributive)

m+8 = 8+m

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11.

What property makes the following equation true? (Just type in the first word: associative, commutative, or distributive)

3 + ( 4 + x) = (3 + 4) + x

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12.

What property makes the following equation true? (Just type in the first word: associative, commutative, or distributive)

9 + (a + b) = (a + b) + 9

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13.

What property makes the following equation true? (Just type in the first word: associative, commutative, or distributive)

9 + (a + b) = (9 + a) + b

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14.

What property makes the following equation true? (Just type in the first word: associative, commutative, or distributive)

(9 + a + b) = (9 + b + a)

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15.

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16.

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17.

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18.

John ate 2/9 of the pizza and Julie ate 1/6 of the pizza. How much pizza did they eat all together?

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19.

Sandra’s band instructor says she needs to practice the saxophone for 3 5/6hours a day. She has already practiced for 1 1/3 hours. How much longer does Sandra need to practice the saxophone?

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20.

Morton drank 8 4/5 ounces of water with breakfast and 12 1/2 ounces of water with lunch. How many ounces of water did Morton drink at breakfast and at lunch?

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21.

A coffee shop served 24 people before 7:00 am. Two-thirds had regular coffee, one-eighth had decaf, and the remaining ordered a specialty coffee. How many customers ordered a specialty coffee?

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22.

A scuba diver is 4 2/3 feet below the surface of the water. She then dives another 2 1/2 feet. How far below the surface of the water is the scuba diver?

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23.

Match the following simplified expression to its correct property.

Draggable itemarrow_right_altCorresponding Item

Associative Property

arrow_right_alt

Commutative Property

arrow_right_alt

Distributive Property

arrow_right_alt

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24.

Samantha was asked to solve the following expression.

Her work is below:

Step 1: 16 + 2.5 + 4 + 1.5

Step 2: 16 + 4 + 2.5 + 1.5

Step 3: (16 + 4) + (2.5 + 1.5)

Step 4: 20 + 4

Solve: 24

What property did she use to get from step 1 to step 2?

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25.

Convert to a decimal. Round to the nearest thousandth, if necessary.

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26.

Convert to a decimal. Round to the nearest hundreths, if necessary.

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27.

Convert to a decimal. Round to the nearest hundreths, if necessary.

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28.

Convert to a decimal. Round to the nearest hundreths, if necessary.

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29.

Please show your work on how to convert 17% to a decimal.

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30.

Please show your work on how to convert 0.06 to a percent.

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31.

Please show your work on how to convert 128% to a decimal.

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32.

Please show your work on how to convert .85 to a percent.

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33.

What is 25% as a fraction?

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34.

What is 48% as a fraction?

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35.

What is 1/9 as a percent? Round to the nearest hundreth.

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36.

What is 4/100 as a percent?

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37.

What is 8% as a fraction?

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38.

What is 90% as a fraction?

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39.

What is 2 and 1/4 as a percent?

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40.

What is 130% as a fraction?

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41.

What is 18/20 as a percent?

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42.

What is 120% as a fraction?