Quiz about Chapter 5 OST Review (7th Grade)

Question 1

Angelo drew the two rectangles shown. The second is a scale drawing of the first.

What scale factor did Angelo use to draw the second rectangle?

Accepted Answer

2.5

Answer

3.5

Answer

4

Answer

1.75

Answer

2

Question 2

The table shows the cost for different numbers of song downloads.

Which table shows a proportional relationship?

Accepted Answer

Question 3

A faucet drips $$\frac{2}{3}$$ gallon of water in 10 hours.

Which rate is the unit rate of water dripped per day?

Accepted Answer

$$1\frac{3}{5}$$ gallon per day

Answer

$$\frac{1}{15}$$ gallon per day

Answer

$$\frac{5}{18}$$ gallon per day

Answer

$$6\frac{2}{3}$$ gallon per day

Question 4

What table shows a proportional relationship?

Accepted Answer

Question 5

An energy company graphs the average number of rotations that a windmill makes each minute for 4 minutes.

Which statement describes what the point (1, 12) means in terms of rotations and minutes?

Accepted Answer

A windmill rotates 12 times in 1 minute

Answer

1 rotation occurs every 12 minutes

Answer

$$\frac{1}{12}$$ of a rotation occurs every minute

Answer

A windmill rotates 12 times in 12 minutes

Question 6

The graph shown models the relationship between the distance a car travels and time.

What does the point (60, y) represent in this situation?

Accepted Answer

The car travels y miles per hour.

Answer

The car travels for y minutes.

Answer

The car travels 60 miles per hour.

Answer

The car travels 60 miles every y minutes.

Question 7

At a grocery store, a bag of 12 red apples costs $10.80 and a bag of 6 green apples cost $6.90.

Which statement is true about the cost of the apples?

Accepted Answer

The cost per green apple is greater than the cost per red apple because $$6.90\div6$$ is greater than $$10.80\div12$$

Answer

The cost per green apple is less than the cost per red apple because 6 is less than 12.

Answer

The cost per green apple is less than the cost per red apple because $$6\div6.90$$ is less than $$12\div10.80$$

Answer

The cost per green apple is greater than the cost per red apple because $$6.90\div10.80$$ is greater than $$6\div12$$

Question 8

Micah has a garden. He constructs a scale model of the garden using the scale 1 inch : 2 feet. The garden has a length of 6 feet.

What is the length of the garden in Micah's model?

Accepted Answer

3 inches

Answer

4 inches

Answer

6 inches

Answer

12 inches

Question 9

A teacher buys 25 notebooks for a total of $12.50. Each notebook costs the same price.

Which equation represents the total cost, c, in dollars, of n notebooks at this price?

Accepted Answer

c = 0.50n

Answer

c = 2n

Answer

c = 25n

Answer

c = 12.50n

Question 10

The graph shows the cost of a pineapple at a grocery store.

Which point on the graph represents the cost per pound, in dollars, for pineapple?

Accepted Answer

$$\left(1,\ 4\right)$$

Answer

$$\left(\frac{1}{4},\ 1\right)$$

Answer

$$\left(4,\ 16\right)$$

Answer

$$\left(6,\ 24\right)$$

Question 11

Which table represents a proportional relationship?

Accepted Answer

Chapter 5 OST Review (7th Grade)

44 questions

Mary buys p peaches at the farmer’s market for d dollars each. She spends a total of t dollars on peaches.

Create an equation that represents the relationship between t and p. (no spaces)

The table shows the number of songs and the length of each music playlist. Each song is the same length.
How long, in minutes, is each song on the playlist?

Tim is clearing brush from a large piece of land. The table shows how many acres he has cleared over time.
How many days does it take Tim to clear 1 acre?

Angelo drew the two rectangles shown. The second is a scale drawing of the first.
What scale factor did Angelo use to draw the second rectangle?

A dance studio offers ballet and hip-hop classes. The studio has 8 ballet classes for every 12 hip-hop classes.
How many hip-hop classes are there for each ballet class?

A bread company makes wheat dough and rye dough each day. The company makes 15.2 pounds of wheat dough for every 9.5 pounds of rye dough.
How many pounds of wheat dough does the company make for each pound of rye dough?

The table shows the cost for different numbers of song downloads.
Which table shows a proportional relationship?

A scientist records the number of deer observed in three areas of a forest. The table shows her observations.
How many deer per square mile did the scientist observe in the forest? (don't label - number only)

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Chapter 5 OST Review (7th Grade)

44 questions

Mary buys p peaches at the farmer’s market for d dollars each. She spends a total of t dollars on peaches.Create an equation that represents the relationship between t and p. (no spaces)

The table shows the number of songs and the length of each music playlist. Each song is the same length. How long, in minutes, is each song on the playlist?

Tim is clearing brush from a large piece of land. The table shows how many acres he has cleared over time.How many days does it take Tim to clear 1 acre?

Angelo drew the two rectangles shown. The second is a scale drawing of the first. What scale factor did Angelo use to draw the second rectangle?

A dance studio offers ballet and hip-hop classes. The studio has 8 ballet classes for every 12 hip-hop classes. How many hip-hop classes are there for each ballet class?

A bread company makes wheat dough and rye dough each day. The company makes 15.2 pounds of wheat dough for every 9.5 pounds of rye dough.How many pounds of wheat dough does the company make for each pound of rye dough?

The table shows the cost for different numbers of song downloads. Which table shows a proportional relationship?

A scientist records the number of deer observed in three areas of a forest. The table shows her observations.How many deer per square mile did the scientist observe in the forest? (don't label - number only)