Lesson details

Key learning points

  1. In this lesson, we will be looking at how different representations of numbers can help us expose factors of numbers.

Licence

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5 Questions

Q1.
Which of the following is a way to write 36?
2 x 12 x 12
Correct answer: 2 x 3 x 6
2 x 4 x 4
2 x 5 x 7
Q2.
What other way can 2 x 2 x 8 be written?
Correct answer: 2 x 2 x 2 x 4
2 x 2 x 2 x 6
2 x 4 x 4
2 x 4 x 6
Q3.
What is the 8th square number?
16
25
32
Correct answer: 64
Q4.
What is the 5th prime number?
Correct answer: 11
13
7
9
Q5.
What is the difference between the 6th square number and the 6th prime number?
20
Correct answer: 23
26
29

5 Questions

Q1.
Which of these is not a factor of 36?
12
18
Correct answer: 24
6
Q2.
What do we call numbers that have exactly two factors?
Integers
Correct answer: Prime numbers
Square numbers
Triangle numbers
Q3.
What type of number has an odd number of factors?
Even numbers
Odd numbers
Prime numbers
Correct answer: Square numbers
Q4.
Which of these numbers in a common factor of 12 and 18.
12
4
Correct answer: 6
9
Q5.
Which of these numbers is not a common factor of 20 and 24
1
Correct answer: 12
2
4

Lesson appears in

UnitMaths / Factors and multiples