Scale Drawings and Ratios

Scale Drawings and Ratios

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers practice problems from lesson nine, focusing on scale and geometry. It begins with calculating the scale of a book image, followed by creating scale drawings of the Colombian flag. The tutorial then compares the areas of scaled triangles and concludes with identifying scaled rectangles. The instructor provides step-by-step guidance and emphasizes the importance of understanding scale factors and their impact on area calculations.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the scale factor used when an image of a book is 1.5 inches wide, and the actual book is 9 inches wide?

1:12

1:9

1:6

1:3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the actual height of a book is 18 inches, what was the height of the image if the scale factor is 1:6?

3 inches

6 inches

9 inches

12 inches

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many centimeters wide should a scale drawing of the Colombian flag be if the real flag is 6 feet wide and the scale is 1 cm = 2 feet?

2 cm

3 cm

4 cm

5 cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a scale drawing where 2 cm represents 1 foot, what is the height in centimeters of a flag that is 4 feet tall?

10 cm

6 cm

4 cm

8 cm

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the scale factor between two triangles is 2, how many times larger is the area of the second triangle compared to the first?

2 times

3 times

4 times

5 times

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the area ratio of two triangles if the scale factor is 1/2?

1/2

1/4

1/8

1/16

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following quadrilaterals is a scaled copy of a rectangle with a 2:1 length-to-width ratio?

A rectangle with sides 4 and 2

A rectangle with sides 8 and 4

A rectangle with sides 6 and 3

A rectangle with sides 5 and 3

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