Shodor Education Foundation
Shodor Interactivate: Mixtures
This activity will help students develop their understanding of percents and proportional reasoning by solving mixture problems. Working with two piles of circles the student determines the number in each pile that will be colored. In...
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator!
Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Percents 2
Twenty-eight problems present a variety of percent topics: percents as fractions, improper, and mixed numbers, percents as decimals, simple interest, and percent of increase/decrease. They are given with each step to the solution...
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Finding Percents
Get independent practice working with finding percents. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
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.
Khan Academy
Khan Academy: Comparing Rates
Example problem: Three different stores are offering a deal on pencils. Which store has the lowest price per pencil? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
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.
Government of Alberta
Learn Alberta: Exploring Combined Percentages
Combined percentages are introduced in this video through analyzing plays in football. Be sure to follow the interactive activity link for students to explore combined percentages representing the number of completed passes for 2 games....
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.
Help Algebra
Help algebra.com: Percents
Converting percents to and from decimals and fractions is demonstrated in detailed examples. Once the concept is understood, you can use it to solve equations that contain percents.
Can Teach
Can Teach: t.v. Math
At this site students will practice collecting data and transferring the data into percentages. Lesson plan indicated for 6th grade.
Fun Brain
Fun Brain: Penguin Waiter (Calculating Percents Game)
Players must calculate the correct tip to leave their penguin waiter based on a percentage of the cost of their meals.