CPALMS
Cpalms: Using Arrays to Model the Distributive Property
[Free Registration/Login Required] Students are presented with a rectangular area model and asked to write an equation that represents the distributive property. Detailed lesson plan provided, along with assessment methods,...
Alabama Learning Exchange
Alex: Area Model of Multiplication Base 10 Manipulatives
Students will use base 10 manipulatives to build a rectangular array to represent double digit multiplication. Students will make the connection between the standard algorithm and the rectangular array.This lesson plan was created as a...
GeoGebra
Geo Gebra: Area Model: Multiplying Fractions
Explore this interactive to visualize what it means to multiply two fractions together. Use the sliders to change the numerators and denominators and move one fraction bar image on top of the other. The product is represented by the area...
Amby Duncan-Carr
Amby's Math Resources: Finding the Area of a Rectangle
The tutorial investigates area and how it is the total number of square tiles covered. Examples and practice problems are included.
Better Lesson
Better Lesson: Multiplication Facts With Arrays
Third graders are expected to fluently multiply and divide within 100. This allows students to practice their math facts and then check their work using area models.
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...
PBS
Pbs: Modeling Fraction Division Using Arrays
This video illustrates a visual model for solving a word problem involving the division of fractions. The problem asks students to determine the width of a rectangular platypus burrow based on its length and area. In the accompanying...
Alabama Learning Exchange
Alex: What's Your Question? Multiplication Word Problems
Students will explore multiplication and word problems. They will work cooperatively to examine a story scenario, list possible questions to develop a completed word problem and solve it using a variety of strategies. The students will...
Khan Academy
Khan Academy: Intro to Remainders
Use arrays, area models, and practice problems to understand remainders. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.