# ALEX Learning Activity

## Rectangular Arrays

A Learning Activity is a strategy a teacher chooses to actively engage students in learning a concept or skill using a digital tool/resource.

You may save this Learning Activity to your hard drive as an .html file by selecting “File”,then “Save As” from your browser’s pull down menu. The file name extension must be .html.
This learning activity provided by:
 Author: Jennifer Towles System: College/University School: University of Montevallo
General Activity Information
 Activity ID: 2559 Title: Rectangular Arrays Digital Tool/Resource: Arrays: A Google Slides Presentation Web Address – URL: https://docs.google.com/presentation/d/1kHjR_KlONP3DwzCJetIq6IcvKf6aXrSPvOq1k8o6Wyg/edit?usp=sharing Overview: Students will construct arrays when given the number of rows and columns. The students will generate an equation to match their array model. This activity is designed to fit into the explain portion of a 5E formatted lesson plan.This activity was created as a result of the ALEX Resource Development Summit.
Associated Standards and Objectives
Content Standard(s):
 Mathematics MA2015 (2016) Grade: 2 4 ) 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. [2-OA4] Alabama Alternate Achievement Standards AAS Standard: M.AAS.2.4- Find the total number of objects in two equal groups (limit of twenty total objects).
Learning Objectives:

The student will create a rectangular array using concrete or virtual manipulatives given the number of rows and columns.

The student will draw a rectangular array given the number of rows and columns.

The student will describe a rectangular array using the numbers of rows and columns.

The student will write an equation to match the array model.

Strategies, Preparations and Variations