How can you double-check if the percent change is an increase or decrease?

By looking at the original and new numbers

By multiplying the old number by 100

By adding the old and new numbers

By dividing the new number by the old number

How can you express a percent decrease in two ways?

As a negative number and as a percent decrease

As a positive number and as a percent increase

As a positive number and as a fraction

As a negative number and as a fraction

Why is it important to note the negative sign in the percent of change?

It shows the calculation is incorrect

What is the first step in calculating the percent of change?

Subtract the old number from the new number

Add the old number to the new number

Divide the new number by the old number

How can a percentage decrease be expressed?

As a negative number or with the word 'decrease'

Why is it important to divide by the old number when calculating percent change?

To compare the change relative to the original value

To ensure the result is a whole number

What is the first step in calculating percent change?

Subtract the old number from the new number

Resource Library

Math

Percents, Ratios, And Rates

Percent Error

Percent Change And Percent Error (9 4)

Percent Change and Percent Error (9-4)

Interactive Video

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Mathematics

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6th - 8th Grade

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Practice Problem

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Easy

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CCSS

6.RP.A.3C, 7.NS.A.1C, 2.OA.A.1

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Ulyssis Bacharo

Used 1+ times

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