National Council of Teachers of Mathematics
The Math Forum: Finding 2.5 Percent of a Number
This site provides shortcuts and hints on how to do more complicated percentages without a calculator. For others beside 2.5, scroll down the left column and click percentage of choice under "Percents."
Math Playground
Math Playground: Problem Solving Videos
"Rated 'M' for middle school," Math TV invites you to tune in each week for videos of word problems being solved. Back episodes are available in subjects such as percentages, number sense, and fractions. Watch a problem worked out, then...
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.
Homeschool Math
Homeschool Math: How to Calculate Percentages
Learn how to calculate percentages in this easy lesson.
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.
Texas Instruments
Texas Instruments: Math a Review 1
This StudyCards stack enables students to review concepts in algebra, arithmetic, and geometry, in preparation for the Math A Exam held in New York. They solve problems involving scientific notation, factoring, linear equations, rate of...
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.
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.
CK-12 Foundation
Ck 12: Interactive Middle School Math 6
This all-interactive MSM 6 course is a complete and rigorous Grade 6 Mathematics course where the text is the support material, NOT the main content. The course includes instructional interactives, inline immediate-feedback (formative)...
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...
Education Development Center
Math Partners: Statistics and Probability [Pdf]
Comprehensive unit that consists of lessons and activities designed to help students learn statistics and probability concepts.
McGraw Hill
Glencoe: Self Check Quizzes 2 Percents and Estimation
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of using estimation with percents. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
McGraw Hill
Glencoe: Self Check Quizzes 2 Percent Discount and Sales Tax
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of percent discount and sales tax. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
McGraw Hill
Glencoe: Self Check Quizzes 2 Percent of Change
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of the percent of change. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
McGraw Hill
Glencoe: Self Check Quizzes 2 Percent Equation
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of using percent equations to solve percent problems. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the...
E-learning for Kids
E Learning for Kids: Math: Treasure Island: Fractions, Decimals and Percentages
Can you find Short Jack Gold's treasure? Help him solve the fraction and decimal problems!
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: On the Beach: Fractions
Students will play multiple games to build knowledge of fractions.
Illustrative Mathematics
Illustrative Mathematics: S Id Math Test Grades
Ari has collected data on how much her classmates study each week and how well they did on their recent math test. Here is part of the data showing the percentage of each group (divided according to hours spent studying) who got B's or...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percent With a Calculator
This tutorial explains how to use a calculator to find a percent. There is also a practice section at the end of the lesson.
The Math League
The Math League: Percent & Probability
This tutorial gives definitions and examples of percents and probability and covers percent as a fraction and percent as a decimal.
Homeschool Math
Homeschool Math: Basics of Percent
Video activity [8:11] explains the basic concept of percents. Provides numerous problems for students to practice what they've learned.
BBC
Bbc Skillswise: Probability
Use fractions and percentages to solve probability problems. Skillswise provides five factsheets, four quizzes, four worksheets, and a game pertaining to probability.
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