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Common Core Standards

Rectangular Arrays

Grade: 2nd Grade
Standard:

Math.2.OA.4 or 2.OA.C.4

Description:

Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.

Standard:

CC.2.2.2.A.3

Description:

Work with equal groups of objects to gain foundations for multiplication.

2nd Grade Math - Rectangular Arrays Lesson
 
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