Curriculum
4th Grade Math - OA.B.4 - Prime and Composite Numbers
4th Grade Math - OA.B.4 - Prime and Composite Numbers
4th Grade Math - OA.B.4 - Prime and Composite Numbers
4th Grade Math - OA.B.4 - Prime and Composite Numbers

11 Questions

CCSS.Math.Content.4.OA.B.4
STIM.A.Algebraic
STIM.B.Visual Analysis
STIM.D.Claims
STIM.E.Explain Steps/Thinking
STIM.J.Categorizing
STIM.M.Conditional
STIM.O.Situational Analysis
1

Prime and Composite Numbers Introduction

2

Identify the prime number.

3

Which of these numbers is composite?

4

How many prime numbers are there between 20 and 30? Identify them.

5

Find two different composite numbers that will complete this equation.

6

Identify TWO equations that show how the product of two prime numbers equals a composite number.

7

Click on the image that is modeling a prime number.

8

Identify each number as prime or composite.

9

Click on a number that meets all of the conditions below.

10

Enrique claims that all composite numbers have at least 4 factors. Do you support his claim? Explain.

11

Selena claims that the sum of two prime numbers is always composite. Do you support Selena's claim? Explain using examples.

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The question sets found here work best in conjunction with the Strategic Thinking in Math training for grades 1 - 8.

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