Khan Academy
Khan Academy: Repeated Addition
In this exercise, students practice repeated addition. Students receive immediate feedback and have the opportunity to get hints, watch a tutorial video, and try questions repeatedly.
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: 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.
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...
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]
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: 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: Math: 3rd Grade: Understand Multiplication Using Groups of Objects
Math practice exercise on using arrays and repeated addition to visualize multiplication.
Other
Nearpod: Multiplication: Valentine's Edition
In this lesson, 3rd graders will use arrays, repeated addition, skip counting, and equal groups to solve multiplication word problems. The lesson has a Valentine's Day theme.
Khan Academy
Khan Academy: Intro to Multiplication
Guided questions with explanations using equal groups, arrays, and repeated addition as an introduction to multiplication.
ClassFlow
Class Flow: Multiplication Sentences
[Free Registration/Login Required] This flipchart is to teach the relationship between repeated addition and multiplication.
ClassFlow
Class Flow: Multiplication Madness
[Free Registration/Login Required] This flipchart is an introduction to Multiplication using arrays and repeated addition. Interactive flipchart that can easily be used as a center - page notes contain all student instructions.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Foundations of Multiplication and Division
A guide to support parents as they work with their students in the foundations of multiplication and division.
Other
2nd Grade Worksheets: Common Core State Standard 2.oa.4
A collection of four worksheet sets that address the Common Core State Standard 2.OA.4.