Better Lesson
Better Lesson: Skittle Arrays
Skittles - yum!! You will instantly have your student's attention when you teach about arrays using Skittles. This detailed lesson plan walks you through the steps, provides worksheets for varying math levels, and includes a video of the...
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.
Khan Academy
Khan Academy: Math: 3rd Grade: Multiply With Arrays (Practice)
Math practice exercise on using arrays to multiply.
Khan Academy
Khan Academy: Math: 3rd Grade: Understand Multiplication With Arrays (Practice)
Math practice exercise on using arrays to multiply.
Khan Academy
Khan Academy: Multiply With Arrays
Practice multiplying 1-digit numbers using arrays. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Math: 3rd Grade: Understand Multiplication Using Groups of Objects
Math practice exercise on using arrays and repeated addition to visualize multiplication.
Khan Academy
Khan Academy: Math: 3rd Grade: Multiply by 7 (Practice)
Math 14-problem practice exercise on multiplying by 7.
Math Cats
Math Cats: Explore the Multiplication Table
Create multiplication fact arrays using this tool. Click a number on the side and then the times symbol. Now click a number along the top and the equals symbol. The array appears in yellow. The answer in digits is shown at the bottom of...
ICT Games
Ict Games: Array Display
Create arrays by adding and subtracting rows and columns. The related multiplication facts are displayed in two formats: rows x columns and columns x rows.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: One Hundred Hungry Ants [Pdf]
This is an activity for exploring arrays after reading the story One Hundred Hungry Ants by Elinor J.Pincze.
Math Is Fun
Math Is Fun: Divide Blocks
An array of chocolate squares is pictured and students must click on the answer to a corresponding division question.
Math Is Fun
Math Is Fun: Multiply Blocks
An array of chocolate squares is pictured and students must multiply the number of rows by the number of columns and click on the product in the table shown.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Distributive Property Illustrated
This is part of a math forum at Drexel University. A student gets frustrated when asked to solve a problem using the distributive property. Never fear. Dr. Math to the rescue! Illustrations and detailed examples help provide...
Better Lesson
Better Lesson: Arrays Focusing on Rows and Columns
Third graders develop a meaning of multiplication through the use of arrays.
PBS
Pbs: Modeling Fraction Multiplication Using Arrays
This video illustrates a word problem involving the multiplication of fractions using an array to model the solution visually. The problem involves puffins, arctic birds that live in colonies and fish to feed their young.
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...
Khan Academy
Khan Academy: Math: 3rd Grade: Understand Commutative Property of Multiplication
Math practice exercise on understanding the commutative property of multiplication, e.g.,using an array.
Math Aids
Math Aids: Multiplication Worksheets
Great resource to practice and strengthen math skills pertaining to multiplication. Math worksheets are printable, may be customized, and include answer keys.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Number Story Arrays [Pdf]
A number story activity for students to practice addition of equal groups and multiplication.
Khan Academy
Khan Academy: Meaning of Multiplication
Practice representing multiplication as equal groups, repeated addition, or arrays. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. Video content is available for...
Cool Math
Coolmath: Coolmath4kids: Division: An Introduction
Uses visual models to explain what division is and includes sample problems to try. It also offers links to division games.
Cool Math
Coolmath: Coolmath4kids: Multiplication: Equal Groups
Uses visual models to explain what multiplication is and includes sample problems to try.
OnlineMathLearning.com
Online Math Learning: Addition and Arrays (Grade 2)
A list of suggested activities for addressing CCSS 2.OA.C.4 where students work with arrays and repeated addition. Includes a problem for a 3X5 array and its solution in a video. [8:23]
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