How did you see it?
Show a rectangle on a grid and ask, "How many squares? How do you know?" One child counts, one skip counts by rows, one multiplies. Comparing strategies out loud is how kids discover that multiplying is the fastest route.
Why it works: using clear, consistent math words out loud is one of the U.S. Department of Education's recommendations for elementary math.
Try it withFinding the Area of Grid Shapes WorksheetWorksheetsOpen it →























