Goodwill
Gcf Global: Calculating Percentages
Learn how to calculate percentages to help you figure out discounts, interest, and more.
Other
Sprk: Macro Lab Lesson 4 Percentages: Teacher Guide [Pdf]
Students will use Sphero to explore percentages using speed and color. The speed experiments are quantitative and the color experiments are qualitative. They will program the Sphero to move at 100% speed for a particular amount of time,...
National Council of Teachers of Mathematics
Ntcm: Math Challenge: Perplexing Percentages
Test your bargin shopping skills by figuring out which discount offers the greatest savings. A one page activity from the NCTM Math Challenges for Families series that focuses on understanding and calculating percentages. Connections...
National Council of Teachers of Mathematics
Nctm: Figure This: Does Drinking Soda Affect Your Health?
Try this "Real world," challenge taken directly from the today's health journals. Use your problem solving, data analysis, and number sense skills to figure out if soda intake among teenage girls is related to incidences of broken bones....
Calculator Soup
Calculator Soup: Percentage Calculator
Find a percentage or work out the percentage given numbers and percent values. Use percent formulas to figure out percentages and unknowns in equations. Add or subtract a percentage from a number or solve the equations.
CK-12 Foundation
Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent
[Free Registration/Login may be required to access all resource tools.] Learn how to convert between percentages, decimals, and fractions.
National Council of Teachers of Mathematics
Nctm: Figure This: Majority Vote
Cast your vote for this math challenge that explores calculating percentages as it relates to voting. Discover how mastering this skill will be beneficial in real life situations. A one page activity from the NCTM Math Challenges for...
National Council of Teachers of Mathematics
Nctm: Figure This: Tv Ratings (Pdf)
Here's a challenge for the avid TV watcher. Use your data interpretation skills to explore America's TV watching habits in this NCTM Math Challenges for Families activity. See if you can figure out which night of the week has the...
Other
Miniature Earth: Comparative Demographics Worldwide
Miniature Earth reduces the world's population to 100 to underscore the dramatic differences in wealth, age, faith, education, environment, and health among people who live on this planet. An excellent apply-what-you-know site for...
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.
CK-12 Foundation
Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent
[Free Registration/Login may be required to access all resource tools.] Convert decimals to percents, percents to decimals and fractions, and fractions to percents.
CK-12 Foundation
Ck 12: Arithmetic: Conversion of Decimals, Fractions, and Percent
[Free Registration/Login may be required to access all resource tools.] Identify equivalent ratios as fractions, decimals, and percents.
ClassFlow
Class Flow: Making Change
[Free Registration/Login Required] In this flipchart students will work several word problems and the result will be figuring out the change someone would get after a purchase. The problems involve addition, subtraction, multiplication,...
University of Virginia Library
Prism: "The Tone of American Pie" Visualization
[Free Registration/Login Required] See the results of how users have highlighted the lyrics to Don McLean's "American Pie." Details with a nostalgic tone are blue while details with a sad tone are red and an indignant or outraged tone...
Other
Dan's Math: Basic Skills Topics
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
PBS
Pbs: The Lowdown: The Math of Trash: Percents and Proportions
Discover how percents and proportions help explain issues like climate change, composting, and zero waste in this video from KQED. In the accompanying classroom activity, students estimate the percentage of various types of trash that...
ClassFlow
Class Flow: Reading Circle Graphs
[Free Registration/Login Required] Students are asked to figure out the size of the shaded portions of a circle graph. They then complete a chart showing the fraction, decimal, and percentage equivalents.
Curated OER
Etc: Maps Etc: The United States Population and Railroad Network, 1901
A map from 1901 of the United States showing population density, railroad lines, state capitals, and census centers of population at the time. The red figures indicate the mean population density per square mile for each state according...