Common multiples
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Lesson details
Key learning points
- In this lesson, we will be looking at how to find common multiples of 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 of these is not a factor of 24?
2
4
8
Q2.
Why can't factors of 1 and 2 be represented as polygons?
Because there are not enough dots
Because they are no factors of numbers
Q3.
How many factor polygons can you draw for a ring of 32 dots?
5
6
7
Q4.
How many polygons can you draw for a ring of 20 dots?
3
5
6
Q5.
What is a regular polygon?
A polygon with different length sides
A shade with curved edges
5 Questions
Q1.
Which of these numbers is a common multiple of 2 and 3?
14
8
9
Q2.
What is the lowest common multiple of 4 and 5?
15
16
40
Q3.
Which of these numbers is both a multiple of 4 and a factor of 100?
16
32
80
Q4.
Which of these numbers is a multiple of a square number that is not 1?
14
15
22
Q5.
What is the lowest common multiple of 2, 3, and 5?
15
20
60