Year 10
Core
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Lesson details
Key learning points
- In this lesson, we will recap identifying prime numbers. We will define prime numbers and explain their properties.
Licence
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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4 Questions
Q1.
What is the 6th multiple of 15?
15
45
6
Q2.
Which are the factors of 28?
1, 4 and 7
14 and 2
4 and 7
Q3.
Which numbers are missing from the Venn diagram?
1, 2 , 4 and 8
2 and 0
80 and 160
Q4.
A number less than 20 is missing from the Venn diagram. What is the missing number?
16
18
20
5 Questions
Q1.
True or False, three of these numbers are prime and more than 20.
True
Q2.
Which number lies in the intersection (middle) of this Venn diagram?
10
2 and 2
6
Q3.
How many of the factors of 39 are prime numbers?
1
3
4
Q4.
Which two prime numbers sum to 40?
2 and 38
29 and 21
7 and 33
Q5.
The product of which two prime numbers find another prime number?
13 and 11
2 and 3
2 and 7