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Author:
Ashley Sullivan

Grade 4 Operations & Algebraic Thinking- 4.0A- 4. Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite.

This tutorial will help reinforce concepts related to factorization, as well as prime & composite numbers.

Tutorial

**4th-grade Math Standard**

Grade 4 Operations & Algebraic Thinking

4.0A.4—Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite.

**The Big Question**

In your own words, what are factors, multiples, prime numbers, and composite numbers?

We will be responding to this question in our math notebooks, but you can start thinking about it now.

*Recognize that a whole number is a multiple of each of its

factors

*Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number.

Conversation Explaining Prime & Composite Numbers