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Cornerstone Jun 4 - 10 25 questions
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Monday 4 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄11 + 6⁄11

    Answer: 9⁄11
  2. 2. Algebra

    Solve: 3x - 17 = 25

    Answer: x = 14
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Share 84 in the ratio 2:1

    Answer: 56 and 28
  5. 5. Statistics

    Find the mean of: 13, 4, 12, 14, 12

    Answer: 11

Tuesday 5 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄5 + 5⁄7

    Answer: 46⁄35
  2. 2. Algebra

    Solve: 2x + 11 = 19

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 7.81cm
  4. 4. Ratio

    Share 114 in the ratio 1:2

    Answer: 38 and 76
  5. 5. Statistics

    Calculate the mean of: 45, 32, 12, 42, 36, 11, 24. Give your answer to 2 decimal places

    Answer: 28.86

Wednesday 6 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 3⁄8

    Answer: 3⁄4
  2. 2. Algebra

    Solve: 6x + 14 = 80

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 37cm
  4. 4. Ratio

    Share 90 in the ratio 2:1

    Answer: 60 and 30
  5. 5. Statistics

    Calculate the mean of: 43, 8, 14, 41, 43, 15, 21, 37

    Answer: 27.75

Thursday 7 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 2⁄5

    Answer: 16⁄15
  2. 2. Algebra

    Solve: 3x - 20 = -8

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 6.4cm
  4. 4. Ratio

    Share 30 in the ratio 4:1

    Answer: 24 and 6
  5. 5. Statistics

    Find the mean of: 12, 3, 16, 5, 14

    Answer: 10

Friday 8 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄8 + 1⁄3

    Answer: 13⁄12
  2. 2. Algebra

    Solve: 7x - 17 = 18

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 18.03cm
  4. 4. Ratio

    Share 65 in the ratio 1:4

    Answer: 13 and 52
  5. 5. Statistics

    Find the mean of: 19, 13, 10

    Answer: 14