Understanding Percent Proportions

Understanding Percent Proportions

Assessment

Interactive Video

Mathematics

6th - 8th Grade

Hard

Created by

Jackson Turner

FREE Resource

This video tutorial explains how to solve basic percent problems using the percent proportion method. It begins by introducing the concept and setting up the proportion by converting the given percentage into a fraction with a denominator of 100. The tutorial then demonstrates how to identify the 'is' and 'of' components, assign a variable to the unknown, and solve the equation by cross-multiplying. The example problem 'What is 24% of 325?' is solved step-by-step, resulting in the answer 78. The video concludes with a brief mention of the next type of percent problem to be covered in the following video.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving basic percent problems using percent proportion?

Write the percentage as a fraction with a denominator of 100.

Multiply the percentage by the number.

Convert the percentage to a decimal.

Divide the percentage by the number.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When writing the percent proportion, what does the denominator of the fraction represent?

The number 100.

The unknown variable.

The percentage value.

The total number of items.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the percent proportion, what does the variable represent?

The total number of items.

The unknown value we are solving for.

The number associated with 'of'.

The percentage value.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you solve for the unknown variable in a percent proportion?

Add the two ratios together.

Subtract the smaller ratio from the larger one.

Cross multiply and divide.

Multiply both ratios by 100.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of solving the proportion for 24% of 325?

92

78

85

65

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after finding the product of cross multiplication?

Subtract 100 from both sides.

Add 100 to both sides.

Divide both sides by 100.

Multiply both sides by 100.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the variable in the percent proportion?

To represent the total number.

To represent the unknown value.

To represent the number associated with 'of'.

To represent the percentage.

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What will be covered in the next video?

The second type of percent problem.

Review of basic percent problems.

The first type of percent problem.

Advanced percent problems.