Lesson 7 Find Factors and Multiples

- Let’s find factors and multiples of whole numbers from 1–100.

Warm-up Number Talk: Division

Find the value of each expression mentally.

$12 \div 3$
$30 \div 3$
$60 \div 3$
$72 \div 3$

Activity 1 Factor and Multiple Statements

Complete a statement using the word “factor” and a statement using the word “multiple” for each number.

number	factor	multiple
10	is a factor of because	is a multiple of because
7	is a factor of because	is a multiple of because
50	is a factor of because	is a multiple of because
16	is a factor of because	is a multiple of because

number	factor	multiple
35	is a factor of because	is a multiple of because
20	is a factor of because	is a multiple of because
19	is a factor of because	is a multiple of because
6	is a factor of because	is a multiple of because

As you compare statements with your partner, discuss one thing you notice and one thing you wonder.

Activity 2 Introduce Find the Number: Factors and Multiples

We are going to play a game called Find the Number. Take a few minutes to read the directions

Practice Problem

Problem 1

Select all numbers that are multiples of 8.

16
28
40
54
66
72
84
96