Identify Prime Numbers
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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.
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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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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