Square Numbers
9 is ? x ?
OR
?2
3 x 3
OR
32
Maths Workbook
Exercise 3.3
Number 1
Page 41
P
15
What are the factors of this number?
Is it a Composite number?
1, 3, 5, 15
It has four factors. Is it a Composite number?
Composite numbers can be written as the product of two or more than two numbers
True or False
True
2,3,4,5,6
Are you able to say if these numbers are Prime numbers or Composite numbers
Prime, Prime, Composite, Prime, Composite
72 = ?
49
4 x 6 = 24 + 1 = ?2
=25 = 52
Are you able to do a factor bug for the number 25
1,5,25
Does it have a sting in its tail?
Why?
The Prime Number 17 is the product of two numbers
What are they?
1, 17
46 64 14 4 24 100 60 66 18 81 9 90
Which are square numbers?
64 = 8x8
4 = 2x2
100 = 10x10
81 = 9x9
9 = 3x3
1,4,9,16,?
What is the next square number in the sequence?
25
5 x 7 = 35 + 1 = ?2
= 36 = 6 x 6 =62
Can you factor the number 1?
Is 1 a square number?
Is 1 a Prime number?
Yes, 1
Yes 1 x 1 = 1
No, 1 is a unit and not a prime number
18
Is this a Composite Number?
How do you know?
1,2,3,6,9,18
Are Factors of 18
First term is 7, term to term rule is add 6
Write down the first six terms of the sequence
7, 13, 19, 25, 31, 37
144 = ? x ?
OR
?2
12 x 12
OR
122
Prime numbers can be written as the product of two numbers
True or False
True
Circle all factors of 45
1, 2, 3, 5, 9, 15, 45
1, 3, 5, 9, 15, 45
What will be the sting in the Factor Bug's Tail for the number 81?
9
First term is 2, term to term rule is add 7
Write the first six terms of the sequence
2, 9, 16, 23, 30, 37
112 =
121
11, 21, 31, 41, 51, 61
Which of these are not prime numbers?
21, 51
Using a factor rainbow, are you able to find the factors of Number 8?
1, 2, 4, 8
60
Can you name the factors of this number?
Use Rainbow factoring or a Factor Bug to help you
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
1 x 60 2 x 30
3 x 20 4 x 15
5 x 12 6 x 10
Look at the pattern
1, 2, 4,
What are the next two numbers in the sequence?
1, 2, 4, 8, 16