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Cornerstone Jun 23 - 29 25 questions
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Monday 23 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄7 + 4⁄7

    Answer: 5⁄7
  2. 2. Algebra

    Solve: 3x + 8 = 44

    Answer: x = 12
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 12cm

    Answer: 15cm
  4. 4. Ratio

    Divide 207 in the ratio 3:2:4

    Answer: 69, 46 and 92
  5. 5. Statistics

    Find the mean of: 9, 5, 4, 9, 13

    Answer: 8

Tuesday 24 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄7 + 3⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 7x + 15 = 85

    Answer: x = 10
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 35cm

    Answer: 37cm
  4. 4. Ratio

    Share 95 in the ratio 1:4

    Answer: 19 and 76
  5. 5. Statistics

    Calculate the mean of: 21, 29, 16, 7, 26, 50, 34. Give your answer to 2 decimal places

    Answer: 26.14

Wednesday 25 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄7 + 4⁄5

    Answer: 43⁄35
  2. 2. Algebra

    Solve: 4x - 6 = 26

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 10cm. Give your answer to 2 decimal places

    Answer: 12.81cm
  4. 4. Ratio

    Share 55 in the ratio 1:4

    Answer: 11 and 44
  5. 5. Statistics

    Find the mean of: 10, 1, 17, 4

    Answer: 8

Thursday 26 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄6 + 1⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x - 16 = 8

    Answer: x = 8
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio

    Share 84 in the ratio 2:1

    Answer: 56 and 28
  5. 5. Statistics

    Find the mean of: 10, 3, 14, 5

    Answer: 8

Friday 27 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄5 + 5⁄6

    Answer: 31⁄30
  2. 2. Algebra

    Solve: 6x + 14 = 56

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 10.63cm
  4. 4. Ratio

    Share 35 in the ratio 3:4

    Answer: 15 and 20
  5. 5. Statistics

    Calculate the mean of: 8, 13, 8, 36, 38, 9. Give your answer to 2 decimal places

    Answer: 18.67