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Unit 1 Practice Review

Last updated over 2 years ago
12 questions
Note from the author:
7th Grade Illustrative Mathematics Unit 1 Practice Review
Here are some sample practice problems to help you study for your Unit 1 Summative Test.
Please answer all questions showing your work or explaining your reasoning whenever possible.
Use important vocabulary like scale copy, scale factor, and corresponding.
Be sure to follow up and ask questions in class!
https://www.desmos.com/scientific
1

The scale factor from figure D to the scaled copy figure E is 2.5. Select the true statement.

1

In the scaled copies ABC and XYZ, side AB (4 inches) corresponds to side XY (12 inches).
Which of the following are true?

Select ALL that apply.

Hint: draw two figures and label them.

1

The scale factor from figure R to figure S is 1/4.
What is the scale factor from figure S to R?

Hint: draw two figures and label them.

1

Polygon LMNOP is a scaled copy of polygon ABCDE. Select all of the true statements.
Select ALL that apply.

1

Using the polygon in the show your work box:
1) In the "show your work" box, draw a scaled copy of the polygon using a scale factor of 3/2.

2) In the answer box, type the length of the side in your drawing that corresponds to GH?

(Hint: Your scale drawing will include fractions).

1

Rectangle A measures 8 inches by 4 inches. Rectangle B is a scaled copy of Rectangle A.

Select all of the measurement pairs that could be the dimensions of Rectangle B.

Explain how you know in the work box.
Include "scale factor" and "corresponding" in your explanation.

1

The scale of a map says that 1 cm represents 12 km.
What is the actual distance (in km) that represents a distance of 4 cm on the map?
Label cm or km

1

The scale of a map says that 1 cm represents 12 km.
What distance on the map (in cm) represents an actual distance of 36 km?
Label cm or km

1

The scale of a map says that 3 cm represents 10 km.
What distance on the map (in cm) represents an actual distance of 4 km?
Label cm or km

1

The scale of a map says that 3 cm represents 10 km.
What is the actual number of kilometers that is represented by 9 cm on the map?
Label cm or km

1

A scale drawing of a triangular park is 6 inches wide and 8 inches long.
The actual park is 120 yards long.

What is the area of the actual park, in square yards?

1

There are two different maps of California.

– The scale on a map is 1 cm to 30 km. where the distance from Clovis to San Francisco is 10 cm.

– The scale on the second map is 1 cm to 60 km. What is the distance from Clovis to SF on the second map?

Label your answer cm or km in the "text" box. Explain/show your reasoning in the "show your work" box.