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M7 Scale Drawing Practice Quiz

Authored by Michele Cade

Mathematics

7th - 8th Grade

CCSS covered

Used 7+ times

M7 Scale Drawing Practice Quiz
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Media Image

The two rectangles are scale copies. What is the measurement of x?

21
1.25
20
4

Answer explanation

Think: 7 times what number equals 28?

7 × 4 is 28, so 4 is the scale factor I can use to find the missing number.

5 × 4 = 20, so x is 20.

Tags

CCSS.7.G.A.1

2.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

Media Image

What is the scale factor if the triangle on the left is the original?

2

32\frac{3}{2}  

23\frac{2}{3}  

12\frac{1}{2}  

Answer explanation

Think: 10 times what number equals 5?

10 × 12\frac{1}{2} is 5.

12\frac{1}{2}   is the scale factor.

Remember 0.5 is the same as \frac{ }{ }   12\frac{1}{2}  

Tags

CCSS.7.G.A.1

3.

MULTIPLE SELECT QUESTION

3 mins • 5 pts

Media Image

Polygon EFGH is a scaled copy of polygon ABCD. Select ALL of the TRUE statements.

Segment EH is 3 times as long as segment AD.

Segment FG is 3 times as long as segment BC.

The length of segment AD is 3.

The scale factor from EFGH to ABCD is 13\frac{1}{3}  

Answer explanation

Think: What is the scale factor?

Notice CD is 3 and GH is 9, so the scale factor from ABCD to EFGH is 3. (9 ÷ 3 = 3)

Use the scale factor (3) to fill in the missing numbers.

This will help you determine which statements are true.

Tags

CCSS.7.G.A.1

4.

MULTIPLE SELECT QUESTION

3 mins • 5 pts

Rectangle X measures 6 inches by 2 inches. Rectangle Y is a scaled copy of Rectangle X.

Select ALL the measurement pairs that could be the measurements of Rectangle Y.

12 inches by 4 inches

10 inches by 6 inches

60 inches by 20 inches

9 inches by 5 inches

24 inches by 8 inches

Answer explanation

Think: the length of rectangle X is 6, the width is 2. The length is 3 times lmore than the width.

Select ALL the options where the length is 3 times more than the width.

Tags

CCSS.7.G.A.1

5.

FILL IN THE BLANKS QUESTION

3 mins • 5 pts

Media Image

A scale drawing of a rectangular park is 8 inches wide and 11 inches long. The actual park is 330 yards long.

What is the width of the actual park?

(a)  

Answer explanation

The length of the drawing is 11 cm.

The length of the actual park is 330 km.

330 ÷ 11 = 30, so 30 is the scale factor.

The width of the drawing is 8, so the width of the actual park is 8 × 30, which is 240.

Tags

CCSS.7.G.A.1

6.

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

The scale on a map of Silver Spring says that 2 cm (centimeters) represents an actual distance of 5 km (kilometers).

What distance on the map (in centimeters) represents an actual distance of 20 kilometers?

4 cm

6 cm

8 cm

10 cm

Answer explanation

2 cm represents 5 km.

20 km is 4 groups of 5 km (20 ÷ 5 = 4)

4 groups of 2 cm is 8 cm (2 × 4 = 8)

Tags

CCSS.7.G.A.1

7.

FILL IN THE BLANKS QUESTION

3 mins • 5 pts

The scale on a map of Silver Spring says that 2 cm (centimeters) represents an actual distance of 5 km (kilometers).

What is the actual distance in kilometers that is represented by 6 centimeters?

(a)  

Answer explanation

2 cm represents 5 km.

6 cm is 3 groups of 2 cm (6 ÷ 2 = 3)

3 groups of 5 km is 15 km (3 × 5 = 15)

Tags

CCSS.7.G.A.1

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