Khan Academy
Khan Academy: Multiply Fractions and Whole Numbers Visually
Use area models, number lines, and tape diagrams to multiply a whole number times a fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
PBS
Pbs: Modeling Fraction and Mixed Number Division Using Arrays
This video illustrates how to use an array as a visual model for solving a word problem involving the division of fractions and mixed numbers. The problem asks students to determine the width of a rectangular fennec fox den based on its...