What is an Even Number?
Exactly divisible by 2. Note that 0 is an even number because 0 divided by 2 has no remainder.
An even number is any whole number that can be divided by 2 with no remainder. When you divide an even number by 2, it splits into two equal parts. Examples of even numbers include 0, 2, 4, 6, 8, 10, 12, and so on.
Even negative numbers also follow this rule. For example, –4 and –10 are even because they can still be divided by 2 evenly.
It’s important to remember that 0 is also an even number. This is because 0 ÷ 2 = 0 with no remainder, which fits the rule of evenness.
We use even numbers in real life to:
- Divide objects equally (like splitting 10 cookies between 2 friends)
- Pair items without anything left over (like matching socks)
- Create patterns and organize groups
When Do Students Learn About Even Numbers?
Students are introduced to even numbers when they begin learning about counting and grouping objects, usually starting in early elementary school.
Preschool & Kindergarten – Early Introduction
Students learn to count by twos and identify simple even numbers.
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Grades 1–2 – Understanding Even Numbers
Students practice identifying even numbers up to 100 and learn to recognize even and odd patterns.
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Grades 3–5 – Applying Even Numbers
Students begin using even numbers in multiplication, division, and problem-solving activities.
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