zMATH 170  - Unit 13: Percents, Fractions, and Decimals

Models of Percents


1)

Write a fraction and percent for the shaded area in the decimal square model.


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2)

Write a fraction and percent for the shaded area in the decimal square model.


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3)

Write a fraction and percent for the shaded area in the decimal square model


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4)

Write a fraction and percent for the shaded area in the decimal square model.


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Fractions to Percents

Print out the “Squares to Use for Percent” to solve problems #5 through #9.


5)

Solve.


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6)

Solve.


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Improper Fractions to Percents Over 100


7)

Solve.


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8)

Using a percent square, color in enough squares to represent the whole number, 1. Write the whole number 1 as a percent.


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9)

Solve.


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Percents Less than One


10)

Solve.


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11)

Solve.


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12)

Solve.


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Percents, Fractions and Decimals


13)

Express 0.35 as a fraction and as a percent.


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14)

Express 40% as a decimal and as a fraction.


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15)

Express 150% as a fraction and as a decimal.


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16)

Write 0.07 as a fraction and as a percent.


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Review


17)

Estimate the length of the arrow to the nearest sixteenth inch.


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18)

In Elizabeth’s class the ratio of girls to boys is 3:2. If there are 18 boys in the class, how many girls are in the class?


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19)

Find the quotient. Round to nearest tenth.

45 ÷ 3.7


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20)

Find the quotient.

15.232 ÷ 6.4


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21)

Write the standard numeral for 8.22 × 107.


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22)

Find how many square feet are in a square yard by referring to the given model of the square yard and square foot.


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23)

Which metric unit means 10 grams?


24)

Pierre rode 62 kilometers on his bike for 3 hours. What was his rate of speed? Label the answer. Round to nearest tenth.


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25)

Use the map and the key, located in the lower left of the map, to find the actual distance from Barnesville to Cambridge, traveling north on Route 800 to Interstate 70, and then traveling west and north to Cambridge. Write a proportion that may be used to solve the problem, and then state the answer.


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