Topics
6. Multiplication and division
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United States of AmericaFL
Grade 3

6.06 Finding unknowns

Lesson
Practice
Lesson

Are you ready?

Remembering your multiplication tables will help you solve problems in this lesson. Let's give this problem a try. 

$5\times9$5×9

Learn

This video shows us how to find unknowns using our multiplication and division facts.

Apply

Fill in the box with the missing number.

  1. $9\times\editable{}=63$9×=63

 

Remember!

For multiplication the order doesn't matter, so if we have $4\times5$4×5, we can also write it as $5\times4$5×4 and get the same answer.  

Outcomes

MA.3.AR.2.1

Restate a division problem as a missing factor problem using the relationship between multiplication and division.

MA.3.AR.2.3

Determine the unknown whole number in a multiplication or division equation, relating three whole numbers, with the unknown in any position.

MA.3.NSO.2.2

Explore multiplication of two whole numbers with products from 0 to 144, and related division facts.

MA.3.NSO.2.4

Multiply two whole numbers from 0 to 12 and divide using related facts with procedural reliability.

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