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Practice with Numbo

Day 3 Worksheet

Irrational Numbers & HCF/LCM via Prime Factorisation

4 practice questions
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Practice Problems

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1 Which of these is an irrational number?
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Answer √2
2 A rational number's decimal expansion is what kind?
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Answer Terminating or repeating
3 Is π rational or irrational?
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Answer Irrational
4 The HCF of 6 and 20 (via prime factorisation) is what?
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Answer 2