Ratios & Percentages RESOURCES

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Concentration

This classic memory game matches percents to fractions.

Comparing Fractions and Percents

The title says it all: this set of videos shows you how to match up fractions with their percentage alter-egos.

Fraction-Percent Balance Scale

This scale allows you to balance percents and fractions. It's a nice way to compare the two.

Free Ride

Use bicycle gears to explore relationships between two gears.

Galactic Exchange

Use ratios to determine how much each coin is worth. Get a pen and paper ready.

Scale Factor

Use this scale tool to explore relationships between length, area, and perimeter.

The Golden Ratio

This page explores everything you need to know about the golden ratio and how it shows up in nature, architecture, and even cartoons.

Leonardo da Vinci Activity

This activity explores ratios and how they're used in drawing. Is your arm span really the same as your height? Find out!

Penguin Waiter Percent Game

This site offers a variety of word problems involving tipping your waiter. Who is a penguin, obviously.

Fraction Maker!

It makes fractions! And percents and decimals, too. This is a handy tool that shows what various fractions, decimals, and percents look like visually.

Number Invaders-Percentage of a Number

Fight off space aliens using the awesome power of percents.

Percent Shopping

Need to work on your shopping skills? Try this game and find your discounts.