CK-12 Foundation
The Percent Equation: Soccer Stadium
A soccer-themed interactive challenges mathematicians to solve five questions involving percent equations. Question types include multiple-choice, fill in the blank, true or false and a discussion. A color-coded stadium with movable...
PBS
Real-Life Math — Production Scheduler
Use unit rates to find the number of parts needed to produce a given number of units. A production scheduler shares the different ways schedulers use math to ensure the required amount of parts are available to manufacture air...
101 Questions
Canadian Thanksgiving Tradition
It's all about the portion size! Given a photo of a pumpkin pie, learners work to determine the number of calories that are missing. Supplemental information provides the angle of the piece that is missing as well as the nutritional...
Teacher Created Resources
How to Calculate Discounts and Sales
Teach discounts and sales with a straightforward worksheet. After reviewing the concept, pupils solve word problems related to dollars and percentages. The second half of the sheet prompts learners to continue solving problems related to...
Indiana Department of Education
The Represented World: Communication—Packaging
Challenge your classes to design and market a new product. Collaborative groups use geometry skills to create packaging for their products. Finally, they plan a marketing strategy to present to a marketing specialist.
Teach Engineering
Optimize! Cleaner Energy Options for Rural China
What are the trade-offs when looking to get the most benefit from an energy source? Small groups compare the cost-to-emission levels of several energy sources by looking at the information graphically. The groups utilize this...
Teach Engineering
Enough Energy? Play the Renew-a-Bead Game
Pairs simulate the energy usage of different countries by drawing beads from a bag, which contain different beginning ratios of non-renewable and renewable energy resources. The activity concludes with a series of questions to tie...
Teach Engineering
Light vs. Heat Bulbs
Careful, that light bulb is hot! Compare heat and light energy using a simple light bulb. The exercise addresses energy conservation and presents actual calculations to determine the most cost-effective light bulb.
Curated OER
Candy Machine
Using the concept of a candy vending machine, young mathematicians explore the sugar ratios found in different types of candy. Using the provided information, class members calculate and compare different ratios in...
McGraw Hill
Glencoe: Self Check Chapter Test Ratios and Proportions
The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review ratios and proportions.
McGraw Hill
Glencoe: Self Check Quizzes the Percent Proportion
The online assessment reviews percent proportions. Students complete the multiple choice questions to test their mathematics skills. Hints and solutions are included.
McGraw Hill
Glencoe: Self Check Chapter Test Using Proportional Reasoning
The mathematics resource consists of an assessment with hints and solutions. Students answer questions that review proportional reasoning.
McGraw Hill
Glencoe: Self Check Quizzes Percents and Wholes
The five question quiz assesses learners on percents and wholes. Hints are available to help students solve the problems.
McGraw Hill
Glencoe: Self Check Quizzes Finding a Percent of a Quantity
Use Glencoe's randomly generated self-checking chapter test to assess your knowledge on how to find a percent of a number. Each question has a "Hint" link to help. After completing the quiz students can click the "Check It" button and...
McGraw Hill
Glencoe: Self Check Chapter Test Exploring Ratio, Proportions, and Percent
The interactive assessment examines ratios, proportions, and percents. Students complete 14 questions created by Glencoe. Hints and solutions are included.
McGraw Hill
Glencoe: Self Check Quizzes Percentages and Proportions
The five question question assesses learners on percentages and proportions. Hints are available to help students solve the problems.
McGraw Hill
Glencoe: Self Check Chapter Test Ratio, Proportions, and Percent 20 Questions
The interactive assessment examines ratios, proportions, and percents. Students complete 20 questions created by Glencoe. Hints and solutions are included.
Education Development Center
Tune in to Learning: What's a Percentage?
Use this site to learn about percents, and how they relate to decimals and fractions with this interactive online lesson. You will learn about percents, convert percents into fractions and decimals, and find equal parts of a whole.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Percents
Find a quick, concise explanation of percents. Many examples are given and clearly explained. Changing a percent to a decimal and a decimal to a percent are also both explained.
Education Development Center
Tune in to Learning: Multiple Percents
Have you ever seen an item that you wanted on sale for 15% of its original price? Have you tried to figure out what the sale price would be? Using this interactive lesson from T.V. 411, you can learn to calculate discounts with percentages.
BBC
Bbc: Percentages
You can pick up some valuable percentage pointers on how to work with them. When you finish working your way through the pages, you can take an on-line "Test Bite" and check your understanding.
AAA Math
Aaa Math: Determining Percentage
An example explains how to find the percent of a number. Students then check for comprehension by completing practice problems.
AAA Math
Aaa Math: Finding the Percent of a Number
A step-by-step explanation demonstrates how to find the percent of a number. Students then check for comprehension by completing practice problems.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Percent Increase and Decrease
Find a quick, concise explanation of how to find what the percent of increase or decease is. Examples are given and clearly explained.