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Percent games, tutorials, and worksheets online

Games and tools

Virtual Manipulative: Percentages
Interactive tool where you fill in any two of the three 'boxes' (whole, part, and percent) and it will calculate the missing part and show the result visually in two ways.
matti.usu.edu/nlvm/nav/frames_asid_160_g_2_t_1.html

Mission: Magnetite
Hacker tries to drop magnetite on Motherboard. To stop him, match up percentages, fractions, and images showing fractional parts.
pbskids.org/cyberchase/games/percent/percent.html

Fractions and Percent Matching Game
A simple matching game: match fractions and percentages.
www.mathplayground.com/matching_fraction_percent.html

Fraction/Decimal/Percent Jeopardy
Answer the questions correctly, changing between fractions, decimals, and percentages.
www.quia.com/cb/34887.html

Flower Power
Grow flowers and harvest them to make money in this addictive order-'em-up game. Practice ordering decimals, fractions, and percentages. The game starts with ordering decimals (daisies), and proceeds into fractions (tulips or roses).
www.mangahigh.com/games/flowerpower

Math Mammoth Percent $3.50 A self-teaching printable worktext that teaches percent and related concepts, based on conceptual understanding. The book covers concept of percent, percentage of number, discounts, sales tax, circle graphs, percent of change, and percent of comparison.

Percent Shopping
Choose toys to purchase. In level 1, you find the sale price when the original price and percent discount are known. In level 2, you find the percent discount when the original price and the sale price are known.
www.mathplayground.com/percent_shopping.html

Penguin Waiter
Simple game where you calculate the correct tip to leave the penguin waiter.
www.funbrain.com/penguin/

Comparing Fractions, Decimals, and Percentages
Factsheets, a nice matching pairs game, online quiz, and printable worksheets.
www.bbc.co.uk/skillswise/numbers/fractiondecimalpercentage/comparing/comparingall3

Worksheets & quizzes for percentages, ratios, and proportions
Several online quizzes and a few PDF worksheets for these topics.
www.math4children.com/Topics/Percentages

Proportioner
An interactive tool (Java). Manipulate images and compare their dimensions to the dimensions of other images. Specify image dimensions graphically, numerically or using a scale factor.
http://seeingmath.concord.org/resources_files/Proportioner.html

Tutorials

A Conceptual Model for Solving Percent Problems
Explanation of how to use a 10 x 10 grid to explain basic concept of percent, AND solve various types of percent problems.
illuminations.nctm.org/LessonDetail.aspx?id=L249

PERCENTAGE from Maisonet Math
Includes PDF worksheets, online quizzes, and videos about various percent topics.
www.mrmaisonet.com/Menu_Pages/percentage_page.htm

Meaning of Percent
Writing Fractions as Percents
Percents and Proportions
Free percent lessons from Math Goodies. Their CD has many more.
www.mathgoodies.com/lessons

Money Math
A crystal-clear tutorial on interest.
www.intmath.com/Money-Math/Money-Maths.php

Using the Proportion Method to Solve Percent Problems
Clear illustration of the proportion method, how to solve it, and online practice exercises.
amby.com/educate/math/4-2_prop.html

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TenMarks: An affordable summer math program