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Understanding Proportions and Linear Functions

Understanding Proportions and Linear Functions

Assessment

Interactive Video

Mathematics

6th - 7th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

This video tutorial by Mr. Holcomb covers lesson 10 on proportional relationships. It begins with an introduction to proportions and ratios, followed by solving proportions using variables. The tutorial includes exercises on calculating walking and driving speeds using the distance-rate-time formula. It concludes with using equations to calculate travel distances.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a proportion in mathematical terms?

A statement that two ratios are equal

A product of two numbers

A comparison of two numbers by division

A sum of two numbers

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If Paul walks 2 miles in 25 minutes, how many miles can he walk in 137.5 minutes?

14 miles

11 miles

8 miles

5 miles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating constant speed?

Speed = Distance + Time

Speed = Distance x Time

Speed = Distance / Time

Speed = Time / Distance

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you find the constant speed if the distance is 1.5 miles and the time is 25 minutes?

25 + 1.5

1.5 / 25

25 / 1.5

1.5 x 25

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the transitive property in the context of proportions?

If a = b and b = c, then a = c

If a > b and b > c, then a > c

If a < b and b < c, then a < c

If a = b and c = d, then a = d

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How long does it take Stephanie to reach halfway to her friend's house if the total distance is 20 miles?

30 minutes

11.25 minutes

22.5 minutes

45 minutes

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the linear equation for the distance Stephanie can drive over any time interval?

y = 5/9 x

y = 4/9 x

y = 9/4 x

y = 9/5 x

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