Year 6
Year 6

Identify properties of numbers

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Lesson details

Key learning points

  1. In this lesson, we will learn to identify prime and composite numbers.

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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5 Questions

Q1.
Which number from the list is a factor of 14?
10
3
4
Correct answer: 7
Q2.
Which of the below is a common factor of 48 and 18?
5
Correct answer: 6
7
9
Q3.
What is the highest common factor of 12 and 30?
1
2
3
4
Correct answer: 6
Q4.
Which number from the list below is a multiple of 6?
16
Correct answer: 18
21
8
Q5.
Which of the numbers below is a multiple of 20 between 50 and 99?
40
50
Correct answer: 60
70

4 Questions

Q1.
Which of the below is the definition of a prime number?
Correct answer: A number that can only be divided by itself and one.
The result of multiplying a number by an integer.
This is a number that divides into another number exactly and without leaving a remainder.
Q2.
Which of the below is not a prime number?
Correct answer: 21
23
37
Q3.
How many prime numbers are there between 10 and 20?
1
Correct answer: 4
5
Q4.
What is the largest prime number under 100?
93
95
Correct answer: 97
99