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.

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.

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

Get ready for 3rd grade math! Learn the skills that will set you up for success in addition and subtraction; multiplication and division; fractions; patterns and problem solving; area and …

There are 7 rows of flowers, with 6 flowers in each row.

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

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 FL B.E.S.T. standards.