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Proportionality and Scale Factors

Proportionality and Scale Factors

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

This video tutorial covers the concept of proportionality, focusing on finding the constant of proportionality using tables. It explains conversions between centimeters and millimeters, and how to calculate square millimeters in a square centimeter. The tutorial also includes practical examples of calculating travel distances and times using proportionality. Finally, it provides homework problems to reinforce the concepts learned.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the constant of proportionality if 30 minutes is equal to half an hour?

1

2

0.25

0.5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you convert centimeters to millimeters?

Add 10

Multiply by 5

Divide by 10

Multiply by 10

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the reciprocal of the constant of proportionality when converting millimeters to centimeters?

0.01

1

10

0.1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many square millimeters are in a square centimeter?

50

10

100

1000

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a plane travels 550 miles in one hour, what is its speed in miles per minute?

10

9.16

8.5

9.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the scale factor if a map's scale is 1 inch to 50 miles?

1:100

1:10

1:25

1:50

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the scale factor squared when given the area of a polygon?

Add the areas

Divide the areas

Subtract the areas

Multiply the areas

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