2.OA.4 Second Grade Common Core Lesson
In this 2.OA.4 Second Grade Common Core lesson, students use addition to find the total number of objects arranged in arrays with up to 5 rows and columns.
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About this resource
Description
How to teach Arrays
In this 2.OA.4 Second Grade Common Core Lesson, students use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and columns.
This lesson teaches students how to write an equation based on arrays. It is the first look into multiplication and sets a foundation for 3rd grade.This lesson is perfect for small group, math centers, independent practice or whole group lesson.
Match the rectangular arrays to equations. For more practice, draw your own arrays and write equations to match.
Other resources to use with this 2.OA.4 Second Grade Common Core Lesson
If you are using this lesson, your students are probably learning about arrays
Use this Arrays and Addition Worksheet as an additional resource for your students.
You may introduce this lesson by displaying an array and asking 2-3 students to give ideas about how you could describe the amount. Then, explain that adding rows and columns are another way to describe the array. Next, distribute array cards to students. As students work, circulate around the classroom to listen to discussions students have about arrays. After the activity, share students discussions that you heard to improve Array skills.
Be sure to check out more Array Activities and the entire Second Grade Common Core Workbook.
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