Numbo the maths kitten
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Maths with Numbo
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Irrational Numbers & HCF/LCM via Prime Factorisation
4
questions
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Choose the best answer
1
Which of these is an irrational number?
🔊
A
√2
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B
4
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2
A rational number's decimal expansion is what kind?
🔊
A
Terminating or repeating
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B
Non-terminating and non-repeating
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3
Is π rational or irrational?
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A
Irrational
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B
Rational
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4
The HCF of 6 and 20 (via prime factorisation) is what?
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A
2
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B
4
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