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# Factors

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Author: Ashley Sullivan
##### Description:

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.

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Tutorial

## Standard & The Big Question

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.

## Prime & Composite PowerPoint

Students,
Please practice by filling in the missing numbers on slides 21-42. You can either save a copy of your answers and email them to me, or you can write your answers on a separate sheet of paper and turn it in to the math basket.

## Whole Numbers Are Multiples of Their Factors

*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.

## Prime & Composite Talking Heads

Conversation Explaining Prime & Composite Numbers