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Lesson details
Key learning points
- In this lesson, we will be exploring some properties of square 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.
What is the first prime number?
1
3
5
Q2.
What are the prime factors of 18?
2 and 5
3 and 5
3 and 6
Q3.
What is the 7th prime number?
19
23
7
Q4.
12 written as a product of prime factors is 2 x 2 x 3. What is 30 written using prime factors?
2 + 3 + 5
2 x 7
5 x 6
Q5.
Which of the following is not a prime factor of 42?
2
3
7
5 Questions
Q1.
What is a square number?
The result of dividing an integer by itself
The result of multiplying two integers
Q2.
Which of these is not a square number?
1
4
9
Q3.
What is the 12th square number?
100
12
72
Q4.
Write 144 as a product of 2 square numbers both bigger than 1.
12 x 12
64 x 4
72 x 2
Q5.
Which integer multiplies by itself to give 64
10
7
9