Scale Drawings and Proportionality

Scale Drawings and Proportionality

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

Mrs. Zia's Lesson 12 focuses on understanding scale factors as a percent in scale drawings. Students learn to create scale drawings using given scale factors, recognize proportional relationships, and calculate actual lengths and areas. The lesson builds on previous modules, emphasizing the connection between percent change and rescaling figures. Practical exercises include creating scale drawings with different horizontal and vertical scales, and understanding the significance of scale factors in terms of reduction and enlargement.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the constant of proportionality in the context of scale drawings?

The original size of the drawing

The scale factor

The difference between the original and the scale drawing

The area of the scale drawing

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you determine if a scale drawing is a reduction?

The scale factor is greater than 100%

The scale factor is less than 100%

The scale factor is not given

The scale factor is exactly 100%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the scale factor if the original length is 4 units and the scale drawing length is 2 units?

100%

150%

50%

200%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the snowman example, what is the scale factor used to create the head?

50%

100%

75%

125%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to a drawing when the scale factor is exactly 100%?

It becomes distorted

It remains the same size

It becomes an enlargement

It becomes a reduction

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate the new length in a scale drawing?

Divide the original length by the scale factor

Multiply the original length by the scale factor

Subtract the scale factor from the original length

Add the scale factor to the original length

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the effect of having different horizontal and vertical scale factors?

The drawing becomes a perfect square

The drawing becomes distorted

The drawing becomes a perfect circle

The drawing remains unchanged

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