Completing the Puzzle: How to Finishing Equations when Multiplying Fractions by Whole Numbers Using Models
TL;DR: Sometimes the equation has a blank where the answer should go, and a picture sits next to it. Your job is to read the picture, write down what it shows, and plug that into the equation. If the model shows three shaded thirds across two rectangles, that is 2 times three-thirds, which equals six-thirds, […]
Stretching the Line: How to Multiply Fractions by Whole Numbers with Number Lines
TL;DR: Turn fraction-times-whole-number into a road trip on a number line. Each jump is the size of your fraction, and the whole number tells you how many jumps to take starting from 0. For four times one-third, draw four hops of one-third, landing at four-thirds, which is one and one-third. Where you stop is the […]