EVEN AND ODD NUMBERS
EVEN NUMBERS end in
0, 2, 4, 6, or 8.
They can be divided into 2 equal groups with no remainder.
ODD NUMBERS end in
1, 3, 5, 7, or 9.
They cannot be divided into 2 equal groups.
Look at the ones digit to find out!
These 6 apples can be divided into 2 equal groups.
These 5 apples cannot be divided into 2 equal groups.
- 0 is an even number.
- All even numbers are multiples of 2.
- All odd numbers are not multiples of 2.
- Even numbers always come in pairs.
- Odd numbers come one by one.
Finding absolute rules helps map patterns fast!
Look at the ones digit (the last digit).
If the ones digit is 0, 2, 4, 6, or 8, the number is even.
If the ones digit is 1, 3, 5, 7, or 9, the number is odd.
We see even and odd numbers everywhere!
Shoes come in pairs.
2, 4, 6, ... even numbers!
If one egg is extra, the total is odd.
The hours on a clock:
Even - 2,4,6,8,10,12
Odd - 1,3,5,7,9,11
If friends stand in pairs, leftover one means odd!
Circle the numbers that can be made into pairs.
2, 4, 6, 8, 10 can be paired. 7, 11 are left alone.
Write Even or Odd for each number.
Write the numbers in the correct box.
Find the next number in the pattern.
1. Is 0 an even or odd number? Why?
2. Why are all even numbers in pairs?
3. Write three odd numbers between 20 and 30.
4. Write three even numbers between 50 and 60.
5. If one number is even, what will be the next number?
- Even numbers end in 0, 2, 4, 6, or 8.
- Odd numbers end in 1, 3, 5, 7, or 9.
- Even numbers can be divided into 2 equal groups.
- Odd numbers cannot be divided into 2 equal groups.
- 0 is an even number.