Percent Increase and Decrease Quiz
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Percent of Change (Increase and Decrease) Riddle Assignment Joke
Thank you for visiting my Teachers Pay Teachers store! I have taken great care in designing each worksheet, but occasional errors can happen. If you notice a mistake, please contact me so I can correct it rather than leaving a negative review. I truly appreciate your feedback and the opportunity to improve my resources. Thank you for your support! https://sites.google.com/ahschools.us/jamieweisz/home 10 problems EDITABLE NO KEY INCLUDED ANSWER: BAD BLOOD Copyright & Terms of Use© 2026 Jamie W..
7th - 10th
Algebra, Decimals, Other (Math)
Writing Equations for Percent Increase and Decrease | Percent Change Equations
In this Editable Whodunnit activity, students will write an equation for the percent increase or decrease as a percentage of the initial amount in y=kx form. There are 12 problems for them to write an equation for the percent increase or decrease as a percentage of the original amount! I used this with kids on target when teaching writing an equation for percent increase and decrease. There are 6 percent increase equations, and 6 percent decrease equations. Example questions: I scored 20% more p
6th - 8th
Algebra
CCSS
7.RP.A.2
, 7.RP.A.2c
, 7.RP.A.3
Percent Increase and Decrease Notes (Markups and Discounts)
Student notes to help prepare for the CAHSEE. These notes on percent increase/decrease have examples (for the teacher to do) and 'you try' problems for the students to do. The questions are multiple choice to help with standardized tests.
7th - 11th
Algebra, Basic Operations, Math Test Prep
Finding the New Amount | Using Percent Increase and Decrease for New Amounts
In this engaging Editable Whodunnit, students will solve percent problems that involve finding the new amount when given a percent increase or percent decrease. There are 12 problems for students to practice finding the new amount when given a percent increase or percent decrease. I used this with kids on target when teaching finding the new amount when given a percent increase or percent decrease. There are also two bonus spots for students to create and solve percent problems that involve find
6th - 8th
Algebra
CCSS
7.RP.A.2
, 7.RP.A.2c
, 7.RP.A.3
Percent of Change (Increase and Decrease) Practice (Editable)
Students will calculate the percent of increase or decrease for 26 problems including units.
6th - 9th
Algebra
Finding and Using Percent Change | New Amount | Percent Increase and Decrease
In this Editable Whodunit activity, students will find the percent change, they will write an equation for the percent increase or decrease, and they will use a percent increase or decrease to find a new amount. 12 problems for students to practice finding the percent change, writing an equation for the percent increase or decrease, and using a percent increase or decrease to find a new amount. I used this with kids on target when teaching finding the percent change, writing an equation for the
6th - 8th
Algebra
CCSS
7.RP.A.2
, 7.RP.A.2c
, 7.RP.A.3
Finding the Original Amount Using Percent Increase and Decrease Original Amount
In this engaging Editable Whodunnit, students will solve percent problems that involve finding the original amount when given a percent increase or percent decrease and the new amount. There are 12 problems for students to practice finding the original amount when given a percent increase or percent decrease and the new amount. I used this with kids on target when teaching finding the new amount when given a percent increase or percent decrease and the new amount. After students find the origina
6th - 8th
Algebra
CCSS
7.RP.A.2
, 7.RP.A.2c
, 7.RP.A.3
Applying Percent of Increase and Decrease Practice #3 - Humorous Story Problems
This worksheet gives your students plenty of practice for finding the percentage of increase or decrease in story problems, injected with a bit of humor. This is a Microsoft Word file, so you can change the names to those of students in your class. Includes problems such as: "Nastya bought a fancy Mercedes for $54,000. Unfortunately her son, Brian, gets car sick and throws up all over inside the car. The smell is terrible and Nastya has to sell the car. The smell is so bad that Nastya can only
5th - 8th
Algebra, Math
Simple Interest & Percent Increase/Decrease Guided Notes
These are Cornell style notes that covers simple interest, percent increase and decrease, and depreciation.
7th - 9th
Algebra, Math
CCSS
7.RP.A.3
Percent of Change (Percent Increase and Decrease) Riddle Worksheet Activity
Answer: CLOGS Copyright & Terms of Use© 2026 Jamie W. All rights reserved. This resource is licensed for single-classroom use only. Purchasing this product grants permission for use by one teacher in their classroom. Additional licenses must be purchased for other teachers. You may: Use this resource for your own classroom instruction Make copies for your students You may not: Share, distribute, or post this resource (in part or whole) online, including Google Drive, school websites, or sha
6th - 9th
Algebra, Applied Math, Other (Math)
Exit Slip for Percent Increase and Decrease
Short exit slip assessment for percent increase and decrease.
7th - 9th
Algebra, Math
Percent Increase/Decrease Class Notes and Model Problems
Class notes and model problems for solving problems with percent increase or decrease. Word document can be edited.
5th - 9th
Algebra, Math
Percent of Increase or Decrease 2010 - Percent Change with Answer Key (Editable)
Percents are not intuitive to my algebra students, so I like to give them the formula for the percent (of) change, and then have them apply it to several examples I hope they can relate to: examples of day-to-day situations that involve the use of calculating the percent of change.
The file includes spiral review problems.
This worksheet is intended for students to show their work on a separate sheet of paper.
Please download the pdf preview file first, so you can see exactly what's include
7th - 12th
Algebra, Algebra 2, Math
Finding Original and New Amounts Using Percent Change Percent Increase Decrease
In this Editable Whodunnit activity, students will use percent change to find the original amount and find the new amount. There are 12 problems for students to use percent change to find the original amount and find the new amount. 6 problems have them find the new amount after they are given a percent change of either an increase or decrease. 6 have them find the original amount after they are given a percent change of either an increase or decrease. I used this activity with kids on target wh
6th - 8th
Algebra
CCSS
7.RP.A.2
, 7.RP.A.2c
, 7.RP.A.3
Math Hoops: Percent Change and Application
Real-world connection: students use actual athlete stats Focus: Percent increase/decrease, applied problem solving Great for individual or group work, project-based learning, or assessment review Perfect for Algebra 1, Math 8, Financial Literacy, or sports-themed enrichmentLow Prep
7th - 12th
Algebra, Applied Math, Other (Math)
Also included in: Math Hoops: Percent Change and Application Worksheet with Rubric
Percent of Change (Percent of Increase/Decrease) Riddle Mystery Message
Percent of Change (Percent of Increase/Decrease) Riddle Mystery Message No answer key included Answer: A copy cat Copyright & Terms of Use© 2026 Jamie W.. All rights reserved. This resource is licensed for single-classroom use only. Purchasing this product grants permission for use by one teacher in their classroom. Additional licenses must be purchased for other teachers. You may: Use this resource for your own classroom instructionMake copies for your studentsYou may not: Share, distribute,
6th - 9th
Algebra, Math
Percents Test
This test is broken into a calculator and non-calculator section to prepare the students for state testing. I do however allow them to use a foldable that we created showing steps and an example of how to convert fractions, decimals, and percents.
This test contains the following topics:
-converting fractions, decimals, and percents
-solving percent problems using an equation or proportion
-percent increase
-percent decrease
-finding how much you will save with a coupon
-simple interest
-giv
7th
Algebra, Other (Math)
Finding Percent of Change Lesson Plan
This is a lesson plan on finding the percent of change and describing the change as a percent of increase or decrease.
Students will write a ratio with the "amount of change" as the numerator and the "original amount" as the denominator and convert to a percent.
This lesson plan includes an opening activity, minilesson with guided steps through the process, examples, class activities and a worksheet for homework. Answer keys included.
Common Core standards included for Grades 6 and 7.
NOT
6th - 9th, Adult Education
Algebra, Math, Other (Math)
Business 101
Business 101 lets students create their own business, including logo, slogan, and products. Students will work with percentages, including percent increase and decrease, sales tax, and profit. They will also use statistics from a poll. Assessment choices allow students to feel involved in their education.
5th - 8th
Algebra, Decimals, Statistics
Homework Packet (change percents to fractions) and the inverse
This a worksheet that contains 73 questions of the following lessons:
Change the percents to fractions.
Change the fractions to percents.
Calculate the percent increase or percent decrease
Change the percents to fractions and then solve the proportion.
Percent
Find the exact value of each fraction as a decimal.....
you use this worksheet as classwork and or as homework
Enjoy
3rd - 12th, Adult Education, Higher Education
Algebra, Applied Math, Math
Percents Study Guide
This is used to help prepare students for their unit test on Percents. I allow them to use a foldable that we created showing steps and an example of how to convert fractions, decimals, and percents.
This study guide contains the following topics:
-converting fractions, decimals, and percents
-solving percent problems using an equation or proportion
-percent increase
-percent decrease
-finding how much you will save with a coupon
-simple interest
-given an order at a restaurant find the tota
7th
Algebra, Other (Math)
Percent Increase/Decrease Hands on Activity EDITABLE
Percent Increase/Decrease Hands on Activity EDITABLE
Yankees vs. Phillies: A hot topic in my classroom!
Students use a ruler to measure two figures, then calculate the percent increase and decrease from Image A to B and visa verse.
I would suggest students work in small groups for this activity.
Visual and kinesthetic activity, highlights the similarities and differences between percent increase and percent decrease.
There is also a challenge problem included.
6th - 12th
Algebra, Math
Linear vs. Exponential
Sometimes students just need to practice writing equations. Here is a worksheet that allows the students to write linear equations and exponential equations from tables. They then have to decide if the function is linear or exponential and increasing or decreasing. I created this worksheet 5 years ago and every year I hear students say, "Oh, that's the difference." It doesn't take long and makes a great worksheet for after a quiz or as a homework assignment.
7th - 12th
Algebra, Math
20 Percent Word Problems
20 Percent Word Problems: Each problem uses relatable situations like shopping, cooking, sports, gardening, and games to engage students and make the math meaningful. They target various percent skills like calculating percentages, finding part of a whole, finding the whole from a part, comparing percentages, and applying percents to increase or decrease quantities. AR
4th - 12th, Adult Education
Algebra, Applied Math, Mental Math
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