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Cornerstone Sep 30 - Oct 6 25 questions
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Monday 30 September 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄6 + 2⁄3

    Answer: 7⁄6
  2. 2. Algebra

    Solve: 6x + 13 = 43

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 12.73cm
  4. 4. Ratio

    Share 119 in the ratio 4:3

    Answer: 68 and 51
  5. 5. Statistics

    Find the mean of: 9, 11, 19

    Answer: 13

Tuesday 1 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄4 + 1⁄6

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 7x + 13 = 41

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 13.34cm
  4. 4. Ratio

    Share 40 in the ratio 1:4

    Answer: 8 and 32
  5. 5. Statistics

    Calculate the mean of: 9, 33, 11, 16, 41, 34, 42. Give your answer to 2 decimal places

    Answer: 26.57

Wednesday 2 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄11 + 1⁄11

    Answer: 6⁄11
  2. 2. Algebra

    Solve: 3x + 9 = 36

    Answer: x = 9
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio

    Share 68 in the ratio 3:1

    Answer: 51 and 17
  5. 5. Statistics

    Calculate the mean of: 10, 21, 29, 21, 20, 10

    Answer: 18.5

Thursday 3 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 4⁄8

    Answer: 13⁄10
  2. 2. Algebra

    Solve: 6x - 14 = 10

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 11.7cm
  4. 4. Ratio

    Share 40 in the ratio 1:3

    Answer: 10 and 30
  5. 5. Statistics

    Find the mean of: 15, 5, 6, 18

    Answer: 11

Friday 4 October 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄8 + 1⁄7

    Answer: 15⁄56
  2. 2. Algebra

    Solve: 5x - 8 = 67

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 9.85cm
  4. 4. Ratio

    Divide 162 in the ratio 2:3:1

    Answer: 54, 81 and 27
  5. 5. Statistics

    Calculate the mean of: 21, 36, 28, 38, 6, 49. Give your answer to 2 decimal places

    Answer: 29.67