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Cornerstone Jun 18 - 24 25 questions
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Monday 18 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 2⁄6

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 4x + 10 = 58

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 13.42cm
  4. 4. Ratio

    Divide 230 in the ratio 3:3:4

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

    Find the mean of: 2, 8, 14

    Answer: 8

Tuesday 19 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 1⁄8

    Answer: 19⁄24
  2. 2. Algebra

    Solve: 2x - 17 = -1

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Divide 56 in the ratio 2:1:1

    Answer: 28, 14 and 14
  5. 5. Statistics

    Calculate the mean of: 10, 49, 30, 9, 21, 43, 31, 34. Give your answer to 2 decimal places

    Answer: 28.38

Wednesday 20 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄10 + 6⁄10

    Answer: 7⁄10
  2. 2. Algebra

    Solve: 5x - 19 = 31

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 16.64cm
  4. 4. Ratio

    Divide 150 in the ratio 2:1:2

    Answer: 60, 30 and 60
  5. 5. Statistics

    Find the mean of: 10, 17, 18, 19, 6

    Answer: 14

Thursday 21 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄6 + 1⁄5

    Answer: 31⁄30
  2. 2. Algebra

    Solve: 7x + 5 = 82

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 13cm
  4. 4. Ratio

    Divide 100 in the ratio 2:1:2

    Answer: 40, 20 and 40
  5. 5. Statistics

    Calculate the mean of: 21, 48, 15, 35, 14, 18, 13. Give your answer to 2 decimal places

    Answer: 23.43

Friday 22 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 2x + 7 = 21

    Answer: x = 7
  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

    Divide 160 in the ratio 3:3:4

    Answer: 48, 48 and 64
  5. 5. Statistics

    Calculate the mean of: 25, 34, 41, 44, 46, 44

    Answer: 39