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Cornerstone Mar 14 - 20 25 questions
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Monday 14 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄6 + 5⁄8

    Answer: 9⁄8
  2. 2. Algebra

    Solve: 4x + 13 = 49

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Share 50 in the ratio 1:4

    Answer: 10 and 40
  5. 5. Statistics

    Find the mean of: 13, 8, 18

    Answer: 13

Tuesday 15 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄6 + 1⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x - 5 = 19

    Answer: x = 8
  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

    Share 48 in the ratio 2:1

    Answer: 32 and 16
  5. 5. Statistics

    Calculate the mean of: 24, 21, 37, 14, 41, 6, 30. Give your answer to 2 decimal places

    Answer: 24.71

Wednesday 16 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄7 + 3⁄5

    Answer: 31⁄35
  2. 2. Algebra

    Solve: 7x - 13 = 22

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio

    Share 25 in the ratio 1:4

    Answer: 5 and 20
  5. 5. Statistics

    Calculate the mean of: 9, 29, 26, 15, 40, 42. Give your answer to 2 decimal places

    Answer: 26.83

Thursday 17 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄11 + 3⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Solve: 2x + 14 = 32

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 12cm

    Answer: 13cm
  4. 4. Ratio

    Share 54 in the ratio 1:2

    Answer: 18 and 36
  5. 5. Statistics

    Find the mean of: 6, 14, 19, 9

    Answer: 12

Friday 18 March 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 6x + 6 = 54

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 11.66cm
  4. 4. Ratio

    Share 64 in the ratio 3:1

    Answer: 48 and 16
  5. 5. Statistics

    Find the mean of: 14, 22, 3

    Answer: 13