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.
Khan Academy
Khan Academy: Equal Sign
Practice telling which equation is true. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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: 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: Delayed Gratification
You won first place at your school Science Fair and have 2 choices for your prize!! The purpose of this task is for young scholars to compare two options for a prize where the value of one is given $2 at a time, giving them an...
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...
CK-12 Foundation
Ck 12: Elem Math: Relating Addition and Multiplication
[Free Registration/Login may be required to access all resource tools.] The video lesson explains the relationship between repeated addition and multiplication. The video is followed by a series of practice questions to assess student...
CK-12 Foundation
Ck 12: Elem Math: Expressing Multiplication Sentences
[Free Registration/Login may be required to access all resource tools.] The video describes how to use repeated addition to express multiplication in a number sentence. The video is followed by additional problems for students to...
Alabama Learning Exchange
Alex: How Many Times Did You Add That?
After watching the video clip of the Hershey's plant, students will use grid paper to investigate multiplication as repeated addition. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.
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: Relate Repeated Addition to Multiplication
Math practice exercise on repeated addition with multiplication.
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.
E-learning for Kids
E Learning for Kids: Math: Group of Pyramids: Multiplication: Skip Counting and Number Line
On this interactive site students practice with basic multiplication skills including counting forward by two's, skip counting to find the total number, and using a number line to solve multiplication problems.
E-learning for Kids
E Learning for Kids: Math: Street Orchestra: Odd and Even Numbers
Use these interactive lessons to explore counting forward.
E-learning for Kids
E Learning for Kids: Math: Singing Angels: Multiplications and Patterns
Use these interactive activities to explore multiplication and patterns.
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.
Soft Schools
Soft Schools: Basic Multiplication Worksheets
Students work multiplication problems using pictures and repeated addition. You create the worksheet.
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]
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.