Determine whether a given number is prime or composite.
Students will need a die or, ideally, a pair of dice for the Problem Set.
If you need to adapt or shorten this lesson for remote learning, we suggest prioritizing Anchor Task 2 (benefits from worked example). Find more guidance on adapting our math curriculum for remote learning here.
Ms. Cole also wants to set up the desks in her room in rows and columns. There are 23 desks in her classroom. What are the different ways she could make rows and columns with 23 desks? Draw arrays to represent the possible arrangements.
A composite number is a whole number that can be written as a product of two whole numbers, neither of which is itself.
Is 28, the number of students in Mr. Duffy’s class from Lesson 6, a prime or composite number? How do you know?
Grade 4 Mathematics > Module 3 > Topic F > Lesson 22 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..Modified by The Match Foundation, Inc.
A square number is a whole number that has a factor whose factor pair is itself.
Is 81 a prime, composite, or square number, or some combination of the above?
Determine whether each of the following numbers are prime, composite, and/or square.
Determine whether the following numbers are prime or composite. Explain your reasoning.
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