Videos, worksheets, games and activities to help Grade 3 students understand multiplication.

• representing and explaining multiplication using equal grouping and arrays.
• relating multiplication to repeated addition.
• relating multiplication to division.

Related Topics: Understanding Division

## Multiplication using Grouping and Arrays

Multiplication can be understood as a process of counting objects by equal groups.

We can also think of multiplication as rows and columns in rectangular arrays. An array is an arrangement of objects in equal rows.
For example, an array of cookies

This video uses pictures such as grouping and arrays to solve multiplication problems.
Learn to use arrays to show multiplication.

We can think of multiplication as addition of the same amount.

5 + 5 + 5 = 15
3 × 5 = 15

This video shows multiplication as repeated addition.
How to multiply using repeated addition.

## Relate Multiplication and Division

Multiplication and division “undo” each other. They are inverse operations.
For example, if
3 × 2 = 6 then 6 ÷ 3 = 2.

Relating Multiplication & Division.
Relating Multiplication and Division.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.