Multi-Digit Multiplication: Box Method
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Subject Area: Mathematics (B.E.S.T.) | Grade Level: 4
Lesson Length: 45 minutes
Keywords/Tags: Multi-Digit Multiplication, Area Model, Box Method
Lesson Description: In this lesson, students will investigate and apply the box method strategy for multi-digit multiplication. This includes decomposing 2-digit numbers, multiplying the values of digits, and adding multi-digit products together.

  • Other MGSE4.NBT.5 Multiply a whole number of up to four digits by a one-digit whole number, andrnmultiply two two-digit numbers, using strategies based on place value and the properties ofrnoperations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or arearnmodels.
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Video : Box Method Multiplication
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: Learn how to use the box method to multiply multi-digit numbers with Mr. J!
Quiz : Multi-Digit Multiplication: Box Method
Instructions: Please complete this quiz by choosing the correct answer for each question. You can take this quiz as many times needed.
Question #1
20 x 22
Question #2
50 x 41
Question #3
60 x 73
Question #4
80 x 32
Question #5
70 x 54
Question #6
30 x 67
Question #7
Julie is teaching her parrot, Romeo, how to
say new words. If she teaches him 11 words
each month, how many words will Romeo
lea in a year? 
Question #8
Mario walks his dog every day. The walking
path makes a giant loop that is 279 feet
long. If Mario and his dog make 3 laps
around the loop, how far do they walk? 
Question #9
Jack and Dwayne are preparing for their school’s winter bake sale. They have made 318 brownies. They plan on placing 3 brownies each into small bags to sell. How many bags will they need?
Question #10
Washington Elementary School is preparing a performance for the winter festival at the local theater. This theater has 14 rows of 42 seats. How many people can the theater seat in total?
Resources : Additional Resources
Instructions: Please see additional external resources below. Feel free visit each link to learn more about this lesson.
Prodigy: A Multiplication Game
Class code: 996C88A A fun way to apply the box method as you battle imaginary creatures!
Another Box Method Example
A great example of applying the box method to solve a multi-digit multiplication problem.
Box Method Practice
Extra problems to practice applying the box method!