How to Choose the Right Visual: Models for Multiplying Fractions by Whole Numbers
TL;DR: Different problems call for different pictures. When you multiply a fraction by a whole number, you have four visual models to choose from: arrays, number lines, area models, and set models. Each one fits a different style of problem and a different way your brain likes to think. Three times one-fourth could be three […]
Visualizing Multiplication: How to Use Arrays to Multiply Fractions by Whole Numbers
TL;DR: Think of an array as equal groups lined up in a grid. To multiply a fraction by a whole number with an array, you draw that many copies of the same fraction shape side by side and count up all the shaded parts. Four times two-thirds becomes four little shapes, each with two of […]
