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Multiplication & Division Equations




 


Videos and lessons to help Grade 3 students learn to determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?

Common Core: 3.OA.4

Suggested Learning Target

  • I can determine the unknown number in multiplication and division problems such as in the following examples: 8 x 9 = ?, 8 x ? = 48, ? x 3 = 27, 28 ÷ 7 = ?, ? ÷ 6 = 3, and 35 ÷ ? = 7.

Related Topics:
More Lessons for Grade 3

Common Core for Grade 3

Determine unknown whole numbers in multiplication or division equations (CCSS: 3.OA.4)
In this lesson you will learn how to find the missing quotient in a division problem by creating an array.


Solve multiplication problems using properties of 1 and 0
In this lessson, you will solve multiplication problems by using special properties of 0 and 1.





Solve division problems using properties of 1 and 0
In this lessson, you will solve division problems by using special properties of 0 and 1.


Solve multiplication problems using the distributive property
In this lessson, you will solve multiplication problems by using the distributive property.



 

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.


You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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