Chapter Review
Textbook
7 Math Nelson
Chapter
Chapter 2
Section
Chapter Review
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Solutions 27 Videos

Write two equivalent ratios for each ratio.

9:20

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Q1a

Write two equivalent ratios for each ratio.

\frac{4}{5}

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Q1b

Express both quantities in each comparison using the same units. Write the comparison as a ratio in fraction form. Then write as equivalent ratio using whole numbers.

85 cents to $1.20

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Q2a

Express both quantities in each comparison using the same units. Write the comparison as a ratio in fraction form. Then write as equivalent ratio using whole numbers.

24 kg to 80 g

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Q2b

Determine each missing term.

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Q3a

Determine each missing term.

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Q3b

Determine each missing term.

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Q3c

Determine each missing term.

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Q3d

The average height of an ostrich is 255 cm. Suppose that you want to make a scale drawing of an ostrich. The scale is 30:1. What height will you make the ostrich in your drawing? Explain your thinking.

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Q4

A car travels 180 km in 3 h. At this rate, how far will the car travel in 5 h?

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Q5

Copy and complete the table to express the equivalent forms in each row.

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Q6a

Copy and complete the table to express the equivalent forms in each row.

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Q6b

Copy and complete the table to express the equivalent forms in each row.

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Q6c

Copy and complete the table to express the equivalent forms in each row.

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Q6d

Copy and complete the table to express the equivalent forms in each row.

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Q6e

The ratio of red cars to black cars in the school parking lot is 6:8. Vanessa determines that \frac{6}{8}=75%. She concludes that 75% of the cars in the parking lot are red. Is she correct? Explain.

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Q7

The following circle graph shows the ingredients that are used to make a sausage and mushroom pizza. The percent of each ingredient, by weight, is given.

a) Determine the fraction, by weight, of each ingredient.

b) Determine the decimal, by weight, of each ingredient.

c) If you used fractions or decimals to represent the data, would the shape of the circle graph change? Explain.

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Q8

Determine each missing number.

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Q9a

Determine each missing number.

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Q9b

A movie theatre has sold 75% of its seats for the 7:00 p.m. show. If the theatre has 440 seats, how many tickets are sold?

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Q10

Last week, Raj earned $58. He spent $42 and saved the rest. Michael earned $83 and saves $20. Who saved the greater percent of his earnings?

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Q11

Draw a model to calculate.

0.2\times0.9

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Q12a

Draw a model to calculate.

3.2\div0.4

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Q12b

Calculate.

1.4\times5.3

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Q13a

Calculate.

0.9\times3.28

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Q13b

Calculate.

6.3\div2.1

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Q13c

Calculate.

6.93\div0.33

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Q13d