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# Even Numbers

(KS2, Year 4)

## The Lesson

An even number is a whole number that can be divided exactly by 2.## Dictionary Definition

The Oxford English Dictionary defines an even number as a number "divisible integrally into two equal parts; opposed to odd."## Examples of Even Numbers

Some examples of even numbers are given below:## Even Numbers on a Number Line

The image below shows the even numbers on the number line.## How to Check if a Number Is an Even Number

A number is even if it can be divided exactly by 2.## Question

Is 24 an even number?## Step-by-Step:

# 1

Divide the number by 2.

24 ÷ 2 = 12

# 2

Check if the answer from

**Step 1**is a whole number. If it is, the original number is even. Else it is odd. In our example, 12 is a whole number.## Answer:

24 is an even number.## Interactive Game on Even Numbers

Here is an interactive game to help you learn about even numbers and odd numbers.## A Formula to Generate Even Numbers

The formula below generates even numbers:If

**k**takes a whole number (1, 2, 3...), then

**n**will always be even.

k = 0 ∴ n = 2k = 2 × 0 = 0
k = 1 ∴ n = 2k = 2 × 1 = 2
k = 2 ∴ n = 2k = 2 × 2 = 4
k = 3 ∴ n = 2k = 2 × 3 = 6
k = 4 ∴ n = 2k = 2 × 4 = 8

## Top Tip

## A Quick Way to See If a Number Is Even

A number is even if its last digit is 0, 2, 4, 6 or 8.**Help Us To Improve Mathematics Monster**

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