If I have 1, 2, 3, 4 groups, and in each of those groups I have 1, 2, 3, objects, I'm going to have a total of 12 objects. But that's not the only way we can get to 12.

Practice multiplying 1-digit numbers using arrays.

This is correct, nice job! You can just imagine 21/3 as splitting it up into 3 equal groups.

Use arrays to understand division.

3rd grade math (Illustrative Math-aligned) This course contains Khan Academy practice problems crafted to support the Illustrative Math (IM) curriculum.

In this unit on multiplication, you'll learn how to combine equal groups of numbers to find the total - and even how to use arrays to draw out what you're doing.

Learn third grade math—fractions, area, arithmetic, and so much more. This course is aligned with Common Core standards.

3rd grade math (Illustrative Math-aligned) Course: 3rd grade math (Illustrative Math-aligned) > Unit 1 Arrange objects into arrays Google Classroom

Understand multiplication with arrays VA.Math: 3.CE.2.a VA.Math.2023: 3.CE.2.a Google Classroom Microsoft Teams

Learn third grade math aligned to the Eureka Math/EngageNY curriculum—fractions, area, arithmetic, and so much more.