AnswersSY2025-26 - 1205040 MJ Grade 7 Mathematics Sem 1 CRConverting Measurements between Systems

Converting Measurements between Systems — Unit test Answers

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Brian can type pages every 20 minutes. How many pages can he type in 2.5 hours?

Question illustration
A
7.5 pages
B
10 pages
C
22.5 pages
D
200 pages
2
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The table below shows the total cost of buying printer ink cartridges for both members and nonmembers of a shopping club.Price of Ink at Shopping ClubNumber of ink cartridges purchasedTotal cost for members(with membership fee)Total cost for nonmembers0$3001$40$252$50$503$60$75Which statement is supported by the table?

A
The relationship between the number of cartridges purchased and the total cost is proportional for nonmembers but not for members.
B
The relationship between the number of cartridges purchased and the total cost is proportional for members but not for nonmembers.
C
The relationship between the number of cartridges purchased and the total cost is proportional for neither members nor nonmembers.
D
The relationship between the number of cartridges purchased and the total cost is proportional for both members and nonmembers.
3

One teaspoon equals 0.5 centiliters. How many liters equal 50 teaspoons? Round the answer to the nearest hundredth.

A
0.25 liters
B
0.50 liters
C
25 liters
D
50 liters
4

Using feet or centimeters when measuring length is an example of using a

A
unit of measure.
B
unit of capacity.
C
conversion.
D
similarity.
5

There are 28.35 grams in an ounce and 2.21 pounds in a kilogram. Miriam converted 7 kilograms to ounces, but her answer is not correct. What is the best explanation of her error?

Question illustration
A
Miriam set up the problem correctly but made a multiplication error.
B
Miriam multiplied correctly, but her second fraction should be .
Option B
C
Miriam multiplied correctly, but her third fraction should be .
Option C
D
Miriam is missing a fraction that is needed to convert the 7 kilograms to pounds.
6

Mike and Julie are making slime. The table shows the number of drops of blue food coloring and the number of drops of red food coloring they use in each batchDrops of Food ColoringNumber of blue dropsNumber of red drops20440860128016What is the constant of proportionality of the ratio of the number of blue drops used to the number of red drops used?

A
0.2
B
0.5
C
2
D
5
7

Consider the two graphs below.Which statement best describes the graphs?

Question illustration
A
Graph 1 represents a proportional relationship, but graph 2 does not.
B
Graph 2 represents a proportional relationship, but graph 1 does not.
C
Both graph 1 and graph 2 represent proportional relationships.
D
Neither graph 1 nor graph 2 represents a proportional relationship.
8

What is a decimal system of measurement that uses the liter for capacity, the gram for weight, and the meter for length?

A
customary
B
converted
C
metric
D
similar
9

Merrida wrote the table of points below. xy2238416Which explains whether or not Merrida has described a proportional relationship, and why?

A
Merrida has described a proportional relationship. It is linear and the line passes through the origin.
B
Merrida has described a proportional relationship. It is linear and does not pass through the origin.
C
Merrida has not described a proportional relationship. Although it passes through the origin, it is not a linear relationship.
D
Merrida has not described a proportional relationship. It is not linear and does not pass through the origin.
10

Nancy created a graph to predict the pay she will take home after taxes are taken from her income. Using the information on the graph, what is the constant of proportionality?

Question illustration
A
0.48
B
0.6
C
0.8
D
1.25
11

Rosa earns $12 per hour. In 7.5 hours, she will earn x dollars. Which is a valid proportion that can be used to solve the problem?

A
StartFraction x over 12 EndFraction = StartFraction 1 over 7.5 EndFraction
Option A
B
StartFraction 1 over 12 EndFraction = StartFraction x over 7.5 EndFraction
Option B
C
StartFraction 12 over 1 EndFraction = StartFraction x over 7.5 EndFraction
Option C
D
StartFraction 12 over 1 EndFraction = StartFraction 7.5 over x EndFraction
Option D
12

What is the value of x in the proportion below?

Question illustration
A
6
B
9
C
12
D
60
13

This graph shows a proportional relationship between the number of tulips and the number of daffodils in gardens planned by the Lindy Landscaping Company.Lindy Landscaping GardensWhat is the constant of proportionality?

Question illustration
A
0.2
B
0.5
C
2
D
5
14

Aimee noticed her plant grew of an inch every week since it sprouted. She created this graph to show its growth.Which statement about Aimee’s graph is true?

Question illustration
A
Aimee’s graph is correct because the ratio is equal to 2:3, which her graph shows in each point.
Option A
B
Aimee’s graph is incorrect because the ratio is equal to 3:2, so she should have switched her points.
Option B
C
Aimee’s graph is correct because it shows 3 inches of plant growth every two weeks.
D
Aimee’s graph is incorrect because it shows 2 inches of plant growth with each point instead of of an inch.
Option D
15

If the relationship is proportional, what is the missing value from the table?xy–3–1–12?–30–10

A
–8
B
–6
C
–5
D
–4

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