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Lesson Plans and Worksheets for Grade 3

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Common Core For Grade 3

Videos, examples, solutions, 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

**Finding Unknown Factors in Multiplication Equations: 3.OA.4**

How to find unknown factors in multiplication equations using arrays and repeated addition?

**How to determine the unknown number in multiplication and division problems?**
**Unknowns in Multiplication/Division - Common Core Standard**

How to determine the unknown whole number in a multiplication equation relating three whole numbers?

For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 6 × 6 = ?

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.

Lesson Plans and Worksheets for Grade 3

Lesson Plans and Worksheets for all Grades

More Lessons for Grade 3

Common Core For Grade 3

Common Core: 3.OA.4

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

How to find unknown factors in multiplication equations using arrays and repeated addition?

How to determine the unknown whole number in a multiplication equation relating three whole numbers?

For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 6 × 6 = ?

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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