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Cornerstone Jun 2 - 8 25 questions
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Monday 2 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄11 + 2⁄11

    Answer: 7⁄11
  2. 2. Algebra

    Solve: 7x - 9 = 68

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 7.81cm
  4. 4. Ratio

    Divide 96 in the ratio 3:3:2

    Answer: 36, 36 and 24
  5. 5. Statistics

    Find the mean of: 20, 2, 21, 13

    Answer: 14

Tuesday 3 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 2⁄4

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 7x + 14 = 35

    Answer: x = 3
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 5cm and 12cm

    Answer: 13cm
  4. 4. Ratio

    Divide 300 in the ratio 3:4:3

    Answer: 90, 120 and 90
  5. 5. Statistics

    Calculate the mean of: 27, 43, 44, 25, 20, 32, 8, 5

    Answer: 25.5

Wednesday 4 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 2⁄8

    Answer: 7⁄12
  2. 2. Algebra

    Solve: 5x + 6 = 21

    Answer: x = 3
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 8.6cm
  4. 4. Ratio

    Share 105 in the ratio 4:3

    Answer: 60 and 45
  5. 5. Statistics

    Find the mean of: 13, 10, 8, 1

    Answer: 8

Thursday 5 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄7 + 1⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 7x - 10 = 67

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 12.08cm
  4. 4. Ratio

    Share 35 in the ratio 4:1

    Answer: 28 and 7
  5. 5. Statistics

    Calculate the mean of: 7, 9, 10, 33, 22, 11, 47. Give your answer to 2 decimal places

    Answer: 19.86

Friday 6 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄6 + 3⁄7

    Answer: 25⁄42
  2. 2. Algebra

    Solve: 6x - 8 = 28

    Answer: x = 6
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Share 48 in the ratio 2:1

    Answer: 32 and 16
  5. 5. Statistics

    Calculate the mean of: 21, 34, 27, 38, 16, 32, 26. Give your answer to 2 decimal places

    Answer: 27.71