Even numbers can be shared equally — odd ones always have one left over!
An EVEN number can be split into two equal groups with nothing left over. An ODD number always has one left over when you try to split it into pairs. Even numbers end in 0, 2, 4, 6, or 8. Odd numbers end in 1, 3, 5, 7, or 9.
Pairing up to check even or odd:
6 dots pair up perfectly with no leftover → 6 is EVEN!
Even numbers
Odd numbers
Just look at the LAST digit to know if a number is odd or even!
7 socks: 🧦🧦🧦🧦🧦🧦🧦 Pair them up: 🧦🧦 🧦🧦 🧦🧦 🧦←leftover! 3 pairs with 1 leftover → 7 is ODD!
Which number is even?
Remember This!
Check the ONES digit only. If it's 0, 2, 4, 6, or 8 → even. If it's 1, 3, 5, 7, or 9 → odd. You don't need to count the whole number!