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Approximating square roots

Quiz by Rebecca Smith

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5 questions
Show answers
  • Q1
    What is the closest approximation of the square root of 50?
    $6$
    $8$
    $5$
    $7$
    30s
  • Q2
    Which of the following is the best approximation of the square root of 20?
    $5$
    $6$
    $3.5$
    $4.5$
    30s
  • Q3
    What is the best approximation of the square root of 72?
    $9$
    $7.5$
    $8.5$
    $8$
    30s
  • Q4
    Which of the following is the closest approximation to the square root of 27?
    $5.5$
    $6$
    $5.2$
    $4.8$
    30s
  • Q5
    Which of the following is the best approximation of the square root of 15?
    $4$
    $4.1$
    $3.5$
    $3.87$
    30s

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