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Grade 10 · Algebraic Expressions
Real Numbers, Surds & Rounding (Grade 10)
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  / 18

Answer all questions. Show all your working — marks are awarded for method as well as the final answer.

  1. 1
    Is 81 rational or irrational?
    (2)
  2. 2
    Is 30 rational or irrational?
    (2)
  3. 3
    Between which two integers does 20 lie?
    (2)
  4. 4
    Between which two integers does 54 lie?
    (2)
  5. 5
    Between which two integers does 110 lie?
    (2)
  6. 6
    Round 3,14159 to 3 decimal places.
    (2)
  7. 7
    Round 7,3962 to 2 decimal places.
    (2)
  8. 8
    Round 0,04567 to 3 decimal places.
    (2)
  9. 9
    Is 0,272727… rational?
    (2)
TOTAL: 18 marks
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