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Multiplying Whole Numbers

Subject Area: Mathematics (B.E.S.T.) | Grade Level: 5
Lesson Length: 30 minutes
Keywords/Tags: Multiply, Whole Number, Digits, Product, Place Value, Place Holder
Lesson Description: Students will learn to multiply a 3-digit whole number by a 2-digit whole number.

MA.5.NSO.2.1 Multiply multi-digit whole numbers including using a standard algorithm with procedural fluency.

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Video : Multiplying a 3-digit number by a 2-digit number.

Instructions: Please watch the following video as many times as needed before starting to go through other lesson pages. Understanding the content of the video is very important since the lesson activities will be all about this video content.

Description: In this video, the standard algorithm for multiplying a 3-digit number by a 2-digit number is explained.

Quiz : Multiplying Whole Numbers Quiz

Instructions: Please complete this quiz by choosing the correct answer for each question. You can take this quiz as many times needed.

Question #1

Find the product.

123 x 45

A) 6,543

B) 6,635

C) 5,535

D) 55,535

Question #2

What should be done first to solve this expression using the standard algorithm?

924 x 89

A) Multiply the 8 in the tens place by the 9 in the hundreds place.

B) Multiply the 9 in the hundreds place by the 9 in the ones place.

C) Multiply the 2 in the tens place by the 9 in the ones place.

D) Multiply the 9 in the ones places by the 4 in the ones place.

Question #3

The product of 832 x 38 is 31,616.

A) True

B) False

Question #4

Find the product of 324 x 12

A) 3,886

B) 3,888

C) 4,388

D) 30,848

Question #5

Find the product of 245 x 83

A) 20,335

B) 20,385

C) 20,755

D) 20,885

Description: Read each question carefully, and solve if required.

Resources : Multiplying Additional Resources

Instructions: Please see additional external resources below. Feel free visit each link to learn more about this lesson.

Multiplying Article 1
This article highlights each step for multiplying a 3-digit number by a 2-digit number.

Multiplying Game
Click the link in order to play the multiplying game.

Step by Step Article
In this article, the steps are explained more in depth for multiplying.

Multiplying Video 1
In this video there is another explanation of how to multiply a 3-digit number by a 2-digit number.

Description: More Multiplication Modeling Videos

Standards: MA.5.NSO.2.1

Video : Multiplying a 3-digit number by a 2-digit number.

Quiz : Multiplying Whole Numbers Quiz

Resources : Multiplying Additional Resources