# Multiplication and division

Arithmetic essentials,

In this topic, we will multiply and divide whole numbers. The topic starts with 1-digit multiplication and division and goes through multi-digit problems. We will cover regrouping, remainders, and word problems.

This course contains 10 segments:

Multiplication intro

Welcome to the concept of multiplication.

Multiplication by 10s, 100s, and 1000s

Learn to multiply whole numbers by multiples of ten. Example: 7 x 500 = 3500

Multiplication: place value and area models

Most people learn to multiply, but only a select-few actually understand what the multiplication represents. This tutorial, with the help of grids and area models, will allow you to be part of this elite group.

Multi-digit multiplication

Learn to multiply multi-digit whole numbers with and without regrouping.

Division intro

Welcome to the concept of division.

Division: place value and area

Dividing big numbers can be difficult to wrap your mind around. In this tutorial, we'll learn some visual ways to think through large division problems.

Multi-digit division (no remainders)

Learn to divide multi-digit numbers by 1-digit numbers. Answers will not have remainders.

Remainders

Some division problems don't work out perfectly. For example, we know that 6 divided by 3 is 2, and 9 divided by 3 is 3. But, what is 7 divided by 3? Or 8 divided by 3? In division problems like these, we're left with remainders.

Multi-digit division (remainders)

Learn to divide any whole number by a multiple-digit whole number.

Multiplication and division word problems

In this tutorial, we'll start to challenge you with more sophisticated multiplication and division word problems. If you understand mult-digit multiplication and long division, you have all the tools you need to tackle these. May the force be with you!

Rating Not enough ratings 10 segments On Demand (Start anytime) Free Khan Academy On all desktop and mobile devices English Mathematics Math

## Careers

An overview of related careers and their average salaries in the US. Bars indicate income percentile.

GS Whole Loan Portfolio Closer/Analyst \$48k