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Pearson Edexcel International GCSE (9–1) · MATHEMATICS A · Chapter

Number 10

19 practice questions

Start practising (2 questions)

Practice questions

1–2 of 2 · Hard

  1. Question 1

    2 marks · Hard

    The length of one side of a square is cm. Express the area of the square in the form cm², where and are integers and is as small as possible.

    Answer and see the solution →

  2. Question 2

    4 marks · Hard

    State for each of the following numbers whether it is rational or irrational. If rational, write it as a fraction in the form , where and are integers. Show full reasoning.

    (a)

    (the decimal repeats with 25)

    [1 mark]
    (b)

    [1 mark]
    (c)

    [1 mark]
    (d)

    [1 mark]
    Answer and see the solution →