Even Numbers
(KS2, Year 4)
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 and odd numbers.- You are the fish.
- Pop the bubbles with even numbers to collect red hearts. You need five to win.
- If a bubble with an even number reaches the top, you will lose a red heart.
- Avoid the bubbles with odd numbers. If you pop one, you will lose one of your three lives.
- Good luck!
- The fish moves towards your clicks. (Hint: The farther the distance, the faster it moves.)
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.Worksheet
This test is printable and sendable