Increasing and Decreasing Percentages
This worksheet helps Grade 9 students practice calculating percentage increases and decreases in various real-world scenarios.
Includes
Standards
Topics
Increasing and Decreasing Percentages
Name:
Date:
Score:
Read each question carefully and calculate the new value after the percentage increase or decrease. Show your work where applicable.
1. To find a percentage increase, you add the percentage of the original amount to the amount.
2. To find a percentage decrease, you subtract the percentage of the original amount from the amount.
3. A 20% increase on $100 would result in a new amount of $ .
4. A 10% decrease on $50 would result in a new amount of $ .
1. A store increases the price of a shirt from $25 to $30. Calculate the percentage increase.
2. The population of a town grew from 12,000 to 15,000 in a year. What was the percentage increase in population?
1. A car's value depreciated from $18,000 to $15,300 in one year. Calculate the percentage decrease in value.
2. During a sale, a laptop originally priced at $800 is sold for $680. What is the percentage discount?
1. A jacket costs $60. If its price increases by 15%, what is the new price?
$69
$51
$75
$60
1. A 50% increase followed by a 50% decrease results in the original amount.
True
False
Related Worksheets
Grade 9 Percent Problems Worksheet
This worksheet focuses on solving various percent problems, including finding percentages of numbers, calculating percent increase/decrease, and solving real-world percentage applications for Grade 9 students.
Grade 9 Percent Equation Worksheet
This worksheet focuses on solving percent equations, including finding the part, the whole, or the percent, and applying these concepts to real-world problems.
Markup and Discount Worksheet
This worksheet covers calculating markup, discount, selling price, and original price for various items, aligning with Grade 9 Math standards.
Grade 9 Percent Calculations Worksheet
This worksheet focuses on various percent calculations including finding percentages of numbers, converting between percents, decimals, and fractions, and solving real-world problems involving percents.
Grade 9 Math: Percent of a Number
This worksheet focuses on calculating the percent of a given number, a fundamental skill in percents, ratios, and rates for Grade 9 mathematics.
Percent of Change Worksheet
A Grade 9 math worksheet focusing on calculating and applying percent of change in various scenarios.
Unit Rate and Slope Worksheet
Grade 9 Math worksheet covering unit rate calculations, identifying slope from graphs and tables, and applying slope-intercept form.
Grade 9 Percent Word Problems Worksheet
This worksheet provides practice with solving various percent word problems for Grade 9 students.