Download Even and Odd Integers

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Even and Odd Integers
Even Integers
Divides by 2 evenly
4 divided by 2 = 2
30 divided by 2 = 15
Ones place ends in:
0, 2, 4, 6, 8
Odd Integers
Does NOT divide by 2 evenly
3 divided by 2 = 1.5 or 1 ½
11 divided by 2 = 5.5 or 5 ½
Ones place ends in:
1, 3, 5, 7, 9
Rules to categorize numbers into groups of odd or even:
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An odd number does not have 2 as a factor or is not divisible by 2.
The sum of two even numbers is even.
2+2=4
The sum of two odd numbers is even.
1+1=2
The sum of an even and an odd is odd.
1+2=3
Even numbers have an even number or zero in the ones place.
0, 2, 4, 6, or 8
Odd numbers have an odd number in the ones place.
1, 3, 5, 7, or 9
An even number has 2 as a factor or is divisible by 2.
Are these Even or Odd?
Write E for even and O for odd.
3 __,
10__, 13__, 22__, 77__, 90__, 1__,
64__, 41__, 99__, 31__, 85__, 5__,
103__, 6__,
78__,
83__, 68__, 13__, 21__, 2__