Year 5
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Lesson details
Key learning points
- In this lesson, we will use our prior knowledge of multiples and factors to create chains, playing a game whilst investigating number patterns. We will then adapt the rules of the game to create alternative chains, being challenged to try and identify ever increasing lengths of chains.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
1 is not a prime number because...
It is a factor in every number.
It is an odd number
It is too small
Q2.
Which of the following statements is TRUE?
All prime numbers are odd
Only numbers less than 100 can be prime numbers
The product of two prime numbers is also a prime number
Q3.
Which of the following numbers is NOT a prime number?
43
73
83
Q4.
Which of the following numbers IS a prime number?
27
57
63
Q5.
Read the statements below. Can you identify which one is TRUE?
A number can sometimes be a prime number and a squared number
A number will always be a prime number and a squared number
5 Questions
Q1.
Lucy created four different alternating factor and multiple chains. Her partner, Yasin, has spotted a mistake in one of her chains - can you tell which one?
12 - 2 - 18 - 9 - 27
30 - 15 - 45 - 9 - 18
48 - 8 - 24 - 4 - 12
Q2.
Gary created a multiples number chain but needs a little help completing it. What are the next two numbers? 3, 6, 18, .... , .....
21, 33
30, 42
Q3.
Samih generated a factors chain, starting at 120. But he also needs a little help finishing it off. Which two numbers should finish the chain? 120, 40, 20, .... , ....
15, 10
2, 10
5, 4
Q4.
The following sequence is a multiples chain. 3, 9, 27, 81, ..... ,334 But what is the missing value?
108
167
240
Q5.
The following sequence is an alternating multiple and factor chain. Can you identify the missing value? 42 - 7 - 28 - 4 - ? - 18 - 54 - 9
11
12
20