Algebraic Thinking: Patterns and Equations · Operations & Algebraic Thinking

Foundations of Multiplication: Arrays

Using rectangular arrays with up to 5 rows and 5 columns to understand repeated addition.

Key Questions

  1. 1How is repeated addition related to the structure of a rectangular array?
  2. 2Why does the total stay the same if we look at an array by rows versus by columns?
  3. 3When is using an array more helpful than counting objects one by one?

Common Core State Standards

CCSS.Math.Content.2.OA.C.4
Grade: 2nd Grade
Subject: Mathematics
Unit: Algebraic Thinking: Patterns and Equations
Period: Operations & Algebraic Thinking

Suggested Methodologies

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