Curated OER
Geological Time Scale
In this geological time learning exercise, student use a geologic time scale to understand the difference between eons, eras, and periods. Then students complete 2 short answer questions.
Other
Percentage Fraction Decimal Grid
Divide a square or circle up into a number of parts. The slices or rectangles can be painted various colors and these colors then represented as either decimals, fractions or percentages.
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.
Scholastic
Scholastic: Baseball Math
Learn more about baseball and math when you check out this resource. It provides a lesson plan for upper elementary to middle school middle schoolers where they will use their skills in percentages, decimals and combinations.
Other
Active Maths Limited: Fractions, Decimals & Percentages
Here are two excellent, interactive, teaching resources that visually demonstrate equivalent fractions, decimals and percentages.
Other
Interactive Learning Sites for Education: Decimals
A large collection of links to interactive activities and games on the topic of decimals.
McGraw Hill
Glencoe: Self Check Quizzes 1 Percents and Decimals
Use Glencoe's randomly generated self-checking quiz to test your knowledge of percents and decimals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It"...
E-learning for Kids
E Learning for Kids: Math: Husky Sled: Decimals and Percentages
On this interactive site students learn to express hundredths as fractions and decimals, place decimals in ascending order, and represent simple fractions and decimals as percents.
E-learning for Kids
E Learning for Kids: Math: Street Orchestra: Fractions and Percentages
Adolfo loves Music and Math! Did you know musical notes can be expressed as fractions, decimals, and percents?
E-learning for Kids
E Learning for Kids: Math: Fashion Store: Fractions and Decimals
On this interactive website students practice various math skills using a real-life scenario by picking out clothing. Those skills include calculating percentages using fractions and calculating the new cost of a product after a...
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
E-learning for Kids
E Learning for Kids: Math: Group of Pyramids: Fractions and Graphs
On this interactive website, students practice various math skills using a real-life scenario at the pyramids. Those skills include showing percentages as fractions and decimals and interpreting data in a sector graph.
PBS
Pbs: Real Life Math: Physical Trainer
The general manager of a fitness center explains how numerical calculations, percentages, and ratios are critical to his job in this video from KAET. In the accompanying classroom activity, students explore percentages, fractions, and...
E-learning for Kids
E Learning for Kids: Math: Fisher Boat: Multiplying Fractions
On this interactive website students practice various math skills using a real-life scenario on a fishing boat. Those skills include using everyday percentages as fractions and decimals, and multiplying simple fractions by whole numbers.
E-learning for Kids
E Learning for Kids: Math: Street Orchestra: Fractions & Decimals
Puzzle together with Adrian and his street band and learn about fractions, decimals and percentages.
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...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Multiplying and Dividing by Powers of 10: The Meaning of Percent
This excellent math resource explains and defines the meaning of percent. Multiplying and dividing by a power of 10 is incorporated as a preview to understanding scientific notation.
AAA Math
Aaa Math: All About Percents and Ratios
This AAA Math tutorial covers calculating percents, relationships of percents to fractions and decimals, and uses of percents.
Homeschool Math
Homeschool Math: How to Calculate Percentages
Learn how to calculate percentages in this easy lesson.
Other
Treasury Direct: Money Math: Secret of Becoming a Millionaire [Pdf]
This lesson focuses on understanding fractions, decimals and percentages as the math skills, and saving money and compounding interest as the economic skills. [PDF]
Other
Quick Math: Numbers Percentages
This QuickMath activity changes percentages to decimals or fraction and vice versa. It also calculates a certain percent of a number or vice versa.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percent of a Number
This Math Page tutorial explains how to find the percent of a number and features a practice to check comprehension.
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.
Math Medics
S.o.s. Math: Algebra
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...