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 walks you through the steps, provides worksheets for varying math levels, and includes a video of the...
Shodor Education Foundation
Shodor Interactivate: Factorize 2
The resource consists of student notes, instructor notes, and an interactive activity. The activity allows learners to find the factors of a given number and then draw the product as the area of a rectangle on a grid.
Beacon Learning Center
Beacon Learning Center: Groups of Dogs
Students solve multiplication problems using arrays in this interactive web lesson.
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.
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.
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: Number Story Arrays [Pdf]
A number story activity for students to practice addition of equal groups and multiplication.
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...
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.
Better Lesson
Better Lesson: Writing Equations for Arrays
Second graders will learn how to make number sentences for an array by walking around the classroom and writing number sentences for the different arrays the teacher hangs around the room. A video is included, along with examples of...
Better Lesson
Better Lesson: What Is an Array?
Teach a lesson about repeated addition and arrays by using this very detailed lesson plan. The author walks you through the lesson step-by-step and even includes a video of her teaching about arrays for reference. Word problem worksheets...
Illustrative Mathematics
Illustrative Mathematics: Counting Dots in Arrays
This activity addresses CCSS 2.OA.C.4 where students count dots in an array using repeated addition. This skill lays the foundation for an understanding of multiplication.
National Council of Teachers of Mathematics
Nctm: Illuminations: Factorize
This resource investigates the concept of factors by creating rectangular arrays. The interactive tool allows learners to relate area to multiplication.
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.
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...
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.
Illustrative Mathematics
Illustrative Mathematics: Counting Dots in Arrays
This task aims to show learners that there is often more than one way to represent a quantity. This lesson also lays a foundation for students to understand the commutative property of multiplication.
Khan Academy
Khan Academy: Intro to Multiplication
Explains what multiplication is and how to represent it using equal groups and arrays. Also looks at the strategies of repeated addition and skip counting and how they can be used to solve multiplication problems. Includes practice...
Khan Academy
Khan Academy: Intro to Division
Discusses what division, equal groups, arrays, and equal shares are, and the connection between division and multiplication. Includes examples as well as practice questions with explanations.
Khan Academy
Khan Academy: Intro to Commutative Property of Multiplication
Explains what the commutative property of multiplication is and how to use it. Includes examples and practice problems throughout, along with explanations of solutions.
Khan Academy
Khan Academy: Intro to Associative Property of Multiplication
An introduction to the associative property of multiplication. Includes examples and practice problems throughout, along with explanations of solutions.
Alabama Learning Exchange
Alex: Peep Peep
Students will take a virtual tour of a Peep Candy factory. Students will observe the way Peeps are packed in rectangle shaped arrays, 2 rows of 5.
Other
Learn to Code With Me: The 4 Data Structures Every New Developer Should Know
Learn about the four data structures evident inbn computer programming.