prime numbers activity, composite, 4th grade, factors and multiples, practice

Area Model

Grade 4, Grade 5, Grade 6

Created by:

Math & Movement

Estimated Activity Time:

Standard:

Concept(s):

Activity Instructions

Have students build each prime number on the mat out of unit cubes. Help them realize there is only one configuration that will work for these numbers. Then ask them to make an area model of the number 18 and see that there are several ways to make composite numbers.


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