Central New Mexico Community College

#### Percent Word Problems

Take young mathematicians' understanding of percents into the real world with this series of word problems. Involving a variety of contexts from calculating scores on math tests and savings account interest, to determining sale prices...

Illustrative Mathematics

#### Chess Club

When the membership in a chess club changes, it is your mathematicians' job to find out how many boys and girls are attending and the percent change from last year. The activity provides a great compound problem finding the different...

Illustrative Mathematics

#### Comparing Years

Who knew that the Egyptian, Julian, and Gregorian year were different lengths? Your mathematicians will! They will have to calculate the difference between the years in seconds and find the percent change. Using dimensional analysis,...

Illustrative Mathematics

#### Shirt Sale

Everyone loves a good deal, and your mathematician's job is to calculate the original price when given the discount. A different type of problem than the traditional "find the percent change" has your learners working backwards to...

EngageNY

#### Percent Increase and Decrease

Increase the percent of pupils that are fluent in solving change problems with an activity that asks class members to look at problems that involve either increases or decreases and to express the change in terms of the percent of the...

Mathematics Assessment Project

#### Increasing and Decreasing Quantities by a Percent

As part of a study of percent and percent change, learners first complete an assessment task with several percent change problems. They then complete an activity using cards to create a diagram expressing percent increases and decreases...

EngageNY

#### Tax, Commissions, Fees, and Other Real-World Percent Problems

Pupils work several real-world problems that use percents in the 11th portion of a 20-part series. The problems contain percents involved with taxes, commissions, discounts, tips, fees, and interest. Scholars use the equations formed for...

EngageNY

#### Solving Percent Problems II

Fill in the blanks to find the best discount! Groups complete a table of amounts and percents associated with sale items. Classmates then find the original cost, sale cost, discount amount, paid percent, or the discount percent based...

Willow Tree

#### Percent of Change

Your car decreases in value from $20,000 to $17,000. What percent of the value have you lost? Pupils answer word problems by determining the percent of change.

EngageNY

#### Fluency with Percents

Pupils build confidence working with percents as they work several types of percent problems to increase their fluency. The resource contains two sets of problems specifically designed to build efficiency in finding solutions of basic...

EngageNY

#### Solving Percent Problems

Don't discount how much your pupils understand percents! The 27th lesson in a series of 29 presents a problem to find the cost of a discounted outfit. Small groups determine either the original price or the discount received given the...

Math Worksheets Land

#### Percent Error and Percent Increase - Step-by-Step Lesson

Half a foot difference may not mean much, but converting that to an 8% change puts it into perspective for young minds. The lesson discusses the idea of converting information into percents to discover errors made and how much it...

Math Worksheets Land

#### Percent of a Number - Worksheet

Take the work out of worksheets and give your learners practice with finding percents of numbers in the 100s. This resource has five versions of the same topic to provide different questions to meet your needs.

Math Worksheets Land

#### Multistep Ratio and Percent Word Problems - Step-by-Step Lesson

What happens when you have a recipe and need to up the measurements? Here is a lesson that explains how to use ratios to convert measurements and percents with worked out problems. Also provided are additional resources and practice...

CK-12 Foundation

#### Percent of Change: The Pizza Conundrum

Nine questions—multiple choice and fill in the blank—challenge mathematicians to solve money word problems. Looking closely at prices, scholars use a formula to identify percent increases and decreases based on an original and new price....

Flipped Math

#### Exponential Decay

The values keep getting smaller—quickly! Pupils watch a video that contrasts exponential decay with exponential growth from the first lesson in the unit. Learners identify exponential functions that are decaying and create graphs of...

Math Worksheets Land

#### Multistep Ratio and Percent Word Problems - Matching Worksheet

Increasing and decreasing values happen every day and your learners will be prepared after practicing this activity. Show them how ratios are a convenient method to convert between values to get the answer they need. Resource also comes...

Math Worksheets Land

#### Percent Error and Percent Increase - Matching Worksheet

Calculating percent change is a handy tool to understand sales, discounts, and other numerical changes we come across. Here, instructional activity practices percent change and percent error with a variety of problems to let your...

Math Worksheets Land

#### Percent Error and Percent Increase - Independent Practice Worksheet

Give your learners a small taste of the business world by calculating percent error and percent increase. The resource provides several practice problems to give your mathematicians practice setting up the ratio to convert to percents....

Math Worksheets Land

#### Percent Error and Percent Increase - Guided Lesson

When prices and numbers change, can you calculate by how much? Here is a learning exercise that introduces the idea of percent change and percent error to calculator how much change the information goes through. Use the worked-out...

EngageNY

#### Mid-Module Assessment Task: Grade 7 Mathematics Module 4

Assess the ability of the class to solve percent problems with an assessment that covers a variety of percent problems from basic to multi-step. Pupils make connections between percent problems and proportional thinking to complete the...

EngageNY

#### End-of-Module Assessment Task: Grade 7 Mathematics Module 4

Asses the class to determine their knowledge of proportional relationships involving percents. Class members work through the nine-question assessment with a variety of percent problems. The multi-step problems involve simple interest,...

Mathematics Assessment Project

#### 25% Sale

Free clothes? In the middle school assessment task, learners first consider whether four 25 percent reductions will result in a sale price of $0. Mathematicians then determine the sale price and discount percentage of such a sale.

Mathematics Assessment Project

#### T-Shirt Sale

Everyone loves a sale! As pupils investigate a sale on t-shirts, they determine the percent discount and original prices.