Online College Courses for Credit

Multiplication Using Arrays

Multiplication Using Arrays

Author: Christine Gysin


Review:  Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. (3.OA.1)

Introduce:  Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations.  Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models. (4.NBT.5) (Numbers ≤ 1,000,000)

Students will understand the relationship between a multiplication problem and a two-dimensional array.

See More

Try Our College Algebra Course. For FREE.

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to many different colleges and universities.*

Begin Free Trial
No credit card required

29 Sophia partners guarantee credit transfer.

311 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


Demonstrating the relationship between multiplication sentences and two dimensional arrays

Source: Created by Mrs. Gysin using Explain Everything App for iPad

Making Arrays Activity

Now practice creating arrays from multiplication sentences with the Making Arrays Activity.



iPad App Tutor G4M - Grade 4 Multiplication

Take a tour of the App Tutor G4M - Grade 4 Multiplication iPad App.

After you visit the tutorial, please open the App on the iPad and practice multiplication.

Rewriting Multiplication Problems (Visual)

Multiplication using Arrays Worksheet