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Interactive
Curated OER

My Test Book: Calculating Percents

For Students 3rd - 4th
In this online interactive math skills activity, students solve 10 multiple choice math problems that require them to calculate percents. Students may view the correct answers.
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Lesson Plan
Curated OER

Percentages: Converting Fractions and Decimals to Percents

For Teachers 4th - 6th
Students calculate percentages. In this percentages lesson, students count the total number of floor tiles covering a given space, measure a designated section of the room, and then calculate the percentage of the room this area covers.
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Lesson Plan
Curated OER

Stock Charting: Percentages and Profits

For Teachers 9th - 12th
Students discuss and use a formula to calculate "Percent of Change." They duscuss the stock market and ways reports are quantified. Students watch as the teacher demonstrates how to create a spread sheet to calculate changes of a...
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Worksheet
Mathed Up!

Reverse Percentages

For Students 5th - 8th Standards
Boost math skills and inspire scholars to show what they know with a six-page independent practice that focuses on proportional relationships and percents. 
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PPT
Curated OER

Discount and Sales Price

For Teachers 4th - 6th
One of the most practical ways to teach about percentages is to use the real-life example of "sale" or "discount" pricing. This presentation poses many of these type of problems for young mathematicians who are trying to master the...
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Assessment
Mathed Up!

Fractions, Decimals, and Percentages

For Students 7th - 9th Standards
After watching a video on making conversions, young mathematicians solve 16 math problems that involve making conversions of fractions to decimals and percents, decimals to fractions and percents, and percents to fractions and decimals.
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Lesson Plan
Curated OER

Coal Supply and Demand

For Teachers 5th - 10th
A hands-on simulation perfect for an economics instructional activity, young learners investigate the availability of different sources of natural energy (coal, natural gas, oil, solar, and nuclear) and how this availability affects...
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Worksheet
Curated OER

Percentages, Fractions and Decimals

For Students 9th - 11th
In this algebra learning exercise, students are asked to convert between percents, fractions and decimals. They calculate interest as it relates to real world scenario. There are 5 a,b,c questions.
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Lesson Plan
Curated OER

Living on Your Own -- Let's Calculate the Cost!

For Teachers 7th - 8th
Students review basic math skills, such as addition, subtraction, multiplication, division, finding averages, and working with percentages. They see how these skills apply to real life situations.
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Worksheet
Curated OER

Ratio, Rates and Percentages

For Students 8th
In this ratio, rates and percentages worksheet, 8th graders solve 22 various types of problems related to ratios, rates and percentages. They first write ratios in lowest terms and describe each of comparison stated. Students also solve...
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Worksheet
Curated OER

Exam Review: Chemistry Calculations

For Students 9th - 12th
In this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
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Worksheet
Math Worksheets Land

Patterns of Association (Using Data Tables) - Independent Practice Worksheet

For Students 6th - 8th Standards
Here is a worksheet that belongs in a four-part resource that has learners practice using data tables to calculate percentages. The page has ten problems with different data tables asking to find different percents. 
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Lesson Plan
Curated OER

Percentage

For Teachers 4th - 5th
In this finding the percent of whole numbers worksheet, students calculate the percent to problem solve. Students solve 10 problems.
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Assessment
Noyce Foundation

Mixing Paints

For Teachers 6th - 7th Standards
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
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Lesson Plan
Council for Economic Education

Loan Amortization - Mortgage

For Teachers 9th - 12th Standards
When you buy a home for $100,000, you pay $100,000—right?  On the list of important things for individuals to understand, the lesson presents the concept of interest rates and loan amortization using spreadsheets and online sources....
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Lesson Plan
Polar Trec

Where is the World's Water?

For Teachers 5th - 8th Standards
Scholars discover the amount of the Earth's water in various locations such as the ocean, ice, the atmosphere, etc. They then make a model of the how much water those percentages represent. Finally, analysis questions bring the concepts...
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Worksheet
Math Worksheets Land

Pie or Circle Graphs—Step-by-Step Lesson

For Students 3rd Standards
How do you display data that you've collected in a pie chart? Follow a clear step-by-step guide to turning survey results into a visible format. It shows kids how to determine the percentage of the whole that each section represents.
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Organizer
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Yummy Math

US Holiday Candy Sales

For Students 6th - 8th Standards
Candy is a big business! Calculate the amount of money consumers spent on major holidays—Easter, Halloween, Christmas, Hanukkah, and Valentine's Day—based on the total amount of candy sales from 2011 and the percentage of each holiday's...
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Worksheet
Math Worksheets Land

Favorite Pizza Pie Graph

For Students 6th - 8th Standards
You've heard of a pie graph, but what about a pizza pie graph? Challenge young mathematicians to answer ten questions based on a random survey of people's favorite pizzas. A pie graph displays the percentages of each type of pizza. Some...
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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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Handout
National Institute of Open Schooling

Chemical Arithmetics

For Students 7th - 12th Standards
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
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Handout
West Contra Costa Unified School District

Interest and the Number “e”

For Students 9th - 12th Standards
Make a connection between different types of interest and how they are calculated! This algebra II lesson progresses from simple interest to compound interest to continually compounded interest. Formulas are developed rather than given,...
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Assessment
Mathematics Assessment Project

Yogurt

For Students 8th - 9th Standards
Daily production of dairy? Determine profit and production requirements for a yogurt company with unit conversions and percentages to solve problems.
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Lesson Plan
Illustrative Mathematics

Comparing Years

For Teachers 6th - 7th Standards
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,...