Topics
3. Multiplication and division
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United States of America
Grade 4

3.01 Factors

Lesson
Practice
Lesson

Are you ready?

Being able to recall our multiplication facts will help us in this lesson. Let's try a practice problem now. 

$5\times9$5×9

Learn

This video will show us how to find all the factors for a number.  

Apply

If we multiply $6$6 by $9$9, we get $54$54, so $6$6 and $9$9 make a factor pair of $54$54.

  1. Which of the following options is also a factor pair of $54$54?

    $18$18 and $3$3

    A

    $3$3 and $3$3

    B

    $9$9 and $2$2

    C

    $6$6 and $3$3

    D

 

Remember!

All numbers have at least one factor pair, $1$1 and itself.  

 

Outcomes

4.OA.B.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.

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