Most of us grew up learning the basic method for long division. (Forget what that means? Watch the “Dividing by a Single Digit video for a review“)! Today, our kids are learning many new methods of long division, like division by multiples of 10. Let Homework Unlocked teach you these new methods so that you can help your kids with their math homework!

If you only have time to listen to the lesson, feel free to click on our audio file below.

## New Methods for Long Division: Multiples of 10

The Division by Multiples of 10 method in effect, allows you to divide without using division. To divide using this method, you multiply the divisor (the number on the outside of the multiplication bracket) by multiples of 10. Then you use this product to break up the dividend into smaller parts.

Confused? Your kids probably are too! We’re going to walk you through a few examples step by step so you both can comprehend this new method.

For our first example, we‘re going to use the same problem that we used in some of our other videos demonstrating new methods for long division so you can compare them directly (see New Methods for Long Division: Multiples of 10, no remainder, New Methods for Long Division: Box Method, no remainder, and New Methods for Long Division Super Fast Method).

For a more advanced example, please see the Homework Unlocked Video “Dividing by Multiples of 10, with a remainder.”

**Example 1. 423 ÷ 3**

Set up the problem in a division bracket just like you normally would but place a horizontal line to the right of the bracket.

If you’re child finds this method helpful they can also experiment with reducing the number of step by first multiplying by a larger multiple of 10 and then subtracting the larger product. Let’s redo example 1 with fewer steps to illustrate this method:

This example (above) is just like **example 1** except we subtracted a multiple of 40 instead of subtracting multiple of 10 4 times.

For an example of dividing by multiples of 10 with a remainder, please consult the Homework Unlocked video library.

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