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Cornerstone May 31 - Jun 6 25 questions
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Monday 31 May 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 6x - 10 = 44

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Share 24 in the ratio 1:2

    Answer: 8 and 16
  5. 5. Statistics

    Find the mean of: 12, 25, 5

    Answer: 14

Tuesday 1 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄9 + 2⁄9

    Answer: 4⁄9
  2. 2. Algebra

    Solve: 3x + 13 = 25

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 10.82cm
  4. 4. Ratio

    Share 70 in the ratio 4:3

    Answer: 40 and 30
  5. 5. Statistics

    Calculate the mean of: 27, 18, 26, 38, 16, 9. Give your answer to 2 decimal places

    Answer: 22.33

Wednesday 2 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 1⁄4

    Answer: 7⁄12
  2. 2. Algebra

    Solve: 3x + 7 = 16

    Answer: x = 3
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 8cm and 15cm

    Answer: 17cm
  4. 4. Ratio

    Share 60 in the ratio 2:3

    Answer: 24 and 36
  5. 5. Statistics

    Calculate the mean of: 46, 22, 27, 35, 31, 33. Give your answer to 2 decimal places

    Answer: 32.33

Thursday 3 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9⁄12 + 1⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 8x - 19 = 101

    Answer: x = 15
  3. 3. Geometry

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

    Answer: 8.49cm
  4. 4. Ratio

    Share 98 in the ratio 3:4

    Answer: 42 and 56
  5. 5. Statistics

    Find the mean of: 7, 8, 7, 7, 6

    Answer: 7

Friday 4 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 10⁄12 + 1⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 2x - 16 = 8

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 8.94cm
  4. 4. Ratio

    Divide 210 in the ratio 2:2:3

    Answer: 60, 60 and 90
  5. 5. Statistics

    Calculate the mean of: 45, 6, 39, 42, 48, 34, 14. Give your answer to 2 decimal places

    Answer: 32.57