Scholastic
Study Jams! Multiplication
What does baking cupcakes have to do with multiplication? Watch this video and find out as your class learns that multiplication is the repeated addition of equal groups. Properties of multiplication are also introduced with...
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.
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.
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.
Khan Academy
Khan Academy: Intro to Multiplication
Guided questions with explanations using equal groups, arrays, and repeated addition as an introduction to multiplication.
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.