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Cornerstone May 28 - Jun 3 25 questions
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Monday 28 May 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄9 + 6⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Solve: 8x - 5 = 27

    Answer: x = 4
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 7cm and 24cm

    Answer: 25cm
  4. 4. Ratio

    Divide 140 in the ratio 1:2:4

    Answer: 20, 40 and 80
  5. 5. Statistics

    Calculate the mean of: 37, 34, 33, 38, 39, 32

    Answer: 35.5

Tuesday 29 May 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄8 + 3⁄5

    Answer: 27⁄20
  2. 2. Algebra

    Solve: 5x + 6 = 41

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 12.65cm
  4. 4. Ratio

    Divide 132 in the ratio 3:4:4

    Answer: 36, 48 and 48
  5. 5. Statistics

    Find the mean of: 2, 9, 13

    Answer: 8

Wednesday 30 May 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄6 + 6⁄8

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 3x + 15 = 36

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Divide 297 in the ratio 4:3:4

    Answer: 108, 81 and 108
  5. 5. Statistics

    Find the mean of: 4, 5, 9

    Answer: 6

Thursday 31 May 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9⁄12 + 1⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 8x - 6 = 66

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 10cm. Give your answer to 2 decimal places

    Answer: 10.77cm
  4. 4. Ratio

    Divide 96 in the ratio 2:3:3

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

    Calculate the mean of: 21, 7, 35, 40, 40, 12, 27

    Answer: 26

Friday 1 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: 4x + 6 = 54

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 37cm
  4. 4. Ratio

    Divide 88 in the ratio 2:3:3

    Answer: 22, 33 and 33
  5. 5. Statistics

    Find the mean of: 5, 13, 3

    Answer: 7