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Proportional Relationships and Variables

Proportional Relationships and Variables

Assessment

Interactive Video

Mathematics, Science, English

6th - 8th Grade

Practice Problem

Hard

Created by

Thomas White

FREE Resource

The video tutorial covers the concept of proportional relationships, focusing on the four representations: verbal descriptions, tables, equations, and graphs. It uses the example of Tyler walking to the bumper cars to illustrate these concepts. The lesson includes analyzing a graph, filling in a table of values, calculating the constant of proportionality, and writing an equation in the form y = kx. The tutorial emphasizes understanding the connections between different representations and the use of key terms like proportional relationship and constant of proportionality.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the four representations used to describe proportional relationships?

Tables, equations, diagrams, and verbal descriptions

Equations, graphs, charts, and verbal descriptions

Tables, graphs, charts, and diagrams

Verbal descriptions, tables, equations, and graphs

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What information is provided on the graph of Tyler's walk?

The number of steps Tyler took

The weather conditions during Tyler's walk

The distance and time of Tyler's walk

The speed of Tyler's walk

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the x-axis representing in the graph of Tyler's walk?

Distance in meters

Time in seconds

Speed in meters per second

Number of steps

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many meters did Tyler walk in 40 seconds according to the graph?

60 meters

50 meters

40 meters

25 meters

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the constant of proportionality in Tyler's walk?

0.75 meters per second

1.5 meters per second

1.25 meters per second

2 meters per second

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the unit rate calculated from the table of values?

By multiplying the x and y values

By dividing the y value by the x value

By subtracting the x value from the y value

By adding the x and y values

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the equation form used to represent the proportional relationship?

y = k + x

y = k / x

y = k * x

y = k - x

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