Chris Clements

1
1,3,5,7,9
Properties of Number
Odds and Even Numbers
0,2,4,6,8
Chris Clements
2
ltdategt
Learning Objective
ltSteps to successgt
3
Odds and Evens
In this lesson you will learn about odd and even
numbers
Whole numbers (numbers that we count) can also be
called odd or even numbers.
This includes numbers like 1, 2, 3, 4 136 5265
and many, many more
4
When choosing two equal teams it is best to have
an even number of participants.
Do you know why?
Lets see
There are 10 ants who need to put into two equal
teams.
Can it be done?
Team A
Team B
Can you see why 10 is an even number?
5
Five more ants come along.
How many ants are there now?
10 5 15 so we now have 15 ants.
What will happen when we put them into 2 teams?
Im the odd one out!
Team A
Team B
Can you see why 15 is an odd number?
6
Even Numbers
Even numbers end in a 0, 2, 4, 6 or 8
All the numbers in the 2 times table are even.
Odd Numbers
Odd numbers end in a 1, 3, 5, 7 or 9
If a number is not in the 2 times table then it
is odd.
7
Look at this number grid
All these numbers can be called odd or even.
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30
31 32 33 34 35 36 37 38 39 40
41 42 43 44 45 46 47 48 49 50
51 52 53 54 55 56 57 58 59 60
61 62 63 64 65 66 67 68 69 70
71 72 73 74 75 76 77 78 79 80
81 82 83 84 85 86 87 88 89 90
91 92 93 94 95 96 97 98 99 100
What do you notice about the odd numbers?
What do you notice about the even numbers?
8
Odds and Evens
Steps to success

• When finding odds and even numbers
• Look at the end digit (the units digit)
• If it ends in a 0, 2, 4, 6 or 8 then the number
  is even
• If it ends in a 1, 3, 5, 7 or 9 then the number
  is odd

continued
9
Lets see how good you are
Sort these numbers into two groups odds and
evens.
13
16
21
33
28
33
16
28
13
21
Even
Odd
10
Lets have a go at some more
96
25
34
42
27
99
51
68
90
73
42
25
73
27
34
96
90
68
99
51
Odd
Even
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Lets have a go at some more
124
194
325
177
358
299
690
325
177
124
358
299
194
690
Even
Odd
12
Activity
lttype heregt
13
Plenary
Using these digit cards make an even number. The
hundreds digit is greater than 3.
Which numbers do not belong in this set?
Odd
3
5
98
98
35
27
30
19
30
25
4
4
3
5