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Lesson Plan
Illustrative Mathematics

Selling Computers

For Teachers 6th - 8th Standards
A quick activity to test your learners' knowledge of percent increase. When an electronic store needs a 30% increase in computer sales, your mathematicians must calculate how many computers they need to sell next month.
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Lesson Plan
Illustrative Mathematics

Shirt Sale

For Teachers 6th - 7th Standards
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...
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Lesson Plan
EngageNY

Finding One Hundred Percent Given Another Percent

For Teachers 7th Standards
Class members solve problems to find the whole when given a percent. They  use double line numbers and factors of hundred to help break the 100 percent into equal segments. 
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Assessment
Mathed Up!

Percentages

For Students 7th - 9th Standards
Review a percentage of math skills. Designed to review for the General Certificate of Secondary Education Math assessment, the resource provides practice with a variety of percent problems. Items provide pupils problems ranging from...
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Lesson Plan
Virginia Department of Education

Finding the Formula and Percent Composition

For Teachers 9th - 12th Standards
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
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Lesson Plan
Curated OER

Percents: (An Application to Real Life Problems)

For Teachers 7th
Seventh graders explore the concept of calculating percents. In this calculating percents lesson, 7th graders simulate ordering food off of a menu. Students work in groups to calculate the bill, tax, and the tip for the...
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Worksheet
Curated OER

Estimating Errors in Chemistry

For Students 9th - 12th
Estimating Errors in Chemistry is a detailed handout that illustrates the importance of calculating the percent error when working in the chemistry lab. There are no actual problems to solve, just notes and examples of calculations. Hand...
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Lesson Plan
Curated OER

Gravimetric Determination of the Nonvolatile Content of Paint

For Teachers 11th - Higher Ed
Here are the instructions for leading your advanced chemists though the process of measuring the nonvolatile components in a sample of paint. No student handout is provided, so you may want to create one based on the procedure explained....
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Worksheet
Curated OER

Determining Percent Composition

For Students 9th - 12th
In this percent composition worksheet, students calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition, finding...
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Worksheet
Math Mammoth

Understanding Percent

For Students 3rd - 4th
In this understanding percent learning exercise, students fill in the missing parts for examples of number of colored parts and total numbers and use them to complete charts and rewrite sentences using the exact amount of things and...
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Worksheet
Curated OER

Comparing Percents of a Number

For Students 6th - 7th
In this comparing percents worksheet, students solve 22 problems in which two percents of numbers are compared using the <, >, or = sign. Example: 60% of 50 and 87% of 26. There is not room on the paper for calculations.
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Lesson Plan
Curated OER

Fractions, Decimals, and Percents Got You Down? "Tri" This!

For Teachers 6th - 7th
Have your class design their own mathematical study aids. Learners collaborate in groups on the design of tri-fold presentation describing the relationships between mathematical computations. Then, they write a business letter to the...
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Assessment
Noyce Foundation

Percent Cards

For Teachers 6th Standards
Explore different representations of numbers. Scholars convert between fractions, decimals, and percents, and then use these conversions to plot the values on a horizontal number line.
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PPT
Curated OER

Calculating Probabilities: Introduction

For Teachers 3rd - 4th
Introduce your class to a sure-fire method for calculating probabilities. The method is described alongside several examples, then put into practice with a series of probability questions for the class to solve. This would be a great...
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Worksheet
Curated OER

Percents

For Students 7th - 10th
There are many ways to look at percentages. Here are eight problems to practice the different ways to calculate percentages based on how the question is asked. There are no examples, just practice problems.
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Worksheet
Curated OER

Family Activity - Color by Numbers: Fractions, Decimals, and Percents

For Students 6th - 8th
Learners solve four short answer problems. They determine the number of each color of candy or paper clip in a bag, and calculate the fractional, decimal, and percentage representation of the color compared to the total number of items.
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PPT
Curated OER

Non Calculator Math Quiz

For Teachers 4th - 6th
Here is a quiz which does not allow calculators. Kids solve a variety of problems that range from addition and subtraction of decimal numbers to probability and perimeter. There are 24 problems to solve. As stated on the resource, this...
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Lesson Plan
Curated OER

Finding the Percent of a Number

For Teachers 6th
In this mathematics worksheet, 6th graders find the percents of various numbers. They set up the problem, estimate, and write their response. Students also compare their answers to their estimates for each problem.
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Worksheet
1
1
Math Worksheets Land

Finding Percentages (of 10s)

For Students 6th - 8th Standards
Here are five different versions of worksheets to calculate percentages of a number. Although there is no answer key, this resource takes the work out of making different versions of the same topic.
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Assessment
1
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Inside Mathematics

Two Solutions

For Teachers 9th - 12th Standards
Many problems in life have more than one possible solution, and the same is true for advanced mathematics. Scholars solve seven problems that all have at least two solutions. Then three higher-level thinking questions challenge them to...
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Worksheet
Math Worksheets Land

Patterns of Association (Using Data Table) - Matching Worksheet

For Students 6th - 8th Standards
This resource is the last of a four-part series that practices calculating percents based on data represetned in tables. This page has four multiple choice problems that analyze the data tables to answer a question. 
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Lesson Plan
Illustrative Mathematics

Sharing Prize Money

For Teachers 6th - 8th Standards
When three classrooms are to split up prize money, your mathematicians must find the percentage that each class deserves and calculate the total amount. There is an option to use a calculator and practice rounding. 
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Lesson Plan
EngageNY

Percent Rate of Change

For Teachers 10th - 12th Standards
If mathematicians know the secret to compound interest, why aren't more of them rich? Young mathematicians explore compound interest with exponential functions in the twenty-seventh installment of a 35-part module. They calculate future...
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Lesson Plan
Illustrative Mathematics

Gotham City Taxis

For Teachers 6th - 8th Standards
Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...