Picture it before you add
Before teaching the common-denominator steps, have kids shade 1/2 and 1/3 of the same rectangle and try to name the total. When they cut the rectangle into sixths to make it work, they've discovered the rule on their own.
Why it works: pairing a picture with each word gives kids two ways to remember it, a well-tested principle of how people learn (Mayer, 2009).
Try it withAdding Fractions Pictures WorksheetWorksheetsOpen it →
















