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Laabri

Unit 3 Post Test

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36 Nsɛmmisa
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1.

1a Write 3 different equivalent fractions for the shaded part.

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2.

1 b Write 3 different equivalent fractions for the shaded part.

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6.

Who is right—Jon or Maya?

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7.

Why? Use labeled sketches, numbers, or words to explain your answer.

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8.

Do you agree with Amber? (yes or no)

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9.

Use numbers, labeled sketches, or words to explain your answer.

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33.

There are 6 people in the Chapman family. For dinner, each person will get 3/5 of a pound of chicken.

a. How much chicken will they need to buy to have enough? Show your work.

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34.

There are 6 people in the Chapman family. For dinner, each person will get 3/5 of a pound of chicken.

b. They want to have leftovers, so Mr. Chapman bought 5 pounds of chicken at the store. If each person in the family eats 3/5 of a pound for dinner, how many pounds of chicken will they have left over? Show your work.

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3.

1 c Write 3 different equivalent fractions for the shaded part.

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4.

Is Sara's equation true? (yes or no)

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5.

Write 3 more equations for 1 3/8 that are all true and all different.

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10.

Frank says that 2/10 of the grid below is shaded in. Kendra says that 20/100 of the grid below is shaded in. Who is correct? (Frank, Kendra or Both)

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11.

Explain your answer.

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12.

Mark each equation true (T) or false (F).

1/4 = 6/12

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13.

Mark each equation true (T) or false (F).

3/4 < 5/6

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14.

Mark each equation true (T) or false (F).

75/100 > 7/10

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15.

Mark each equation true (T) or false (F).

4/12 = 3/8

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16.

Fill in the blank with the correct symbol: <, >, =.

.80 ___ .8

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17.

Fill in the blank with the correct symbol: <, >, =.

.01 ___ .10

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18.

Fill in the blank with the correct symbol: <, >, =.

30/100 ___ 3/10

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19.

Fill in the blank with the correct symbol: <, >, =.

.71 ___ .7

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20.

Write each fraction as a decimal number.

29/100

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21.

Write each fraction as a decimal number.

9/10

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22.

Write each fraction as a decimal number.

75/100

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23.

Write each fraction as a decimal number.

2/100

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24.

Carlos is making a friendship bracelet for his big brother. He has 46 of a yard of green embroidery thread and 34 of a yard of orange embroidery thread. Which piece of embroidery thread is longer, the green or the orange? (green or orange)

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25.

Explain how you know which piece of embroidery thread is longer. Use numbers, labeled sketches, or words to prove that you are correct.

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26.

Add or subtract.

3/10 + 29/100 = ______

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27.

Add or subtract.

3 3/5 + 4 1/5

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28.

Add or subtract.

1 1/6 - 3/6

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29.

Add or subtract.

67/100 - 5/10

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30.

James ran 25/100 of a mile yesterday. His friend, Natasha, ran 4/10 of a mile. Who ran farther—James or Natasha? (James or Natasha)

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31.

Explain your answer. How do you know?

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32.

How much of a mile did the two children run in all? Show your work.

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35.

The fourth graders are painting one of the walls under the covered area on the playground. They started with 3 3/4 gallons of paint, but it wasn't enough, so one of the parents brought them another 2 1/4 gallons of paint.

a. How much paint did they have in all? Show your work.

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36.

The fourth graders are painting one of the walls under the covered area on the playground. They started with 3 3/4 gallons of paint, but it wasn't enough, so one of the parents brought them another 2 1/4 gallons of paint.

b. In the end, it took 5 1/4 gallons of paint to cover the wall. Did the fourth graders have any paint left over? If so, how much? Show your work.