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Cornerstone Apr 29 - May 5 25 questions
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Monday 29 April 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄11 + 2⁄11

    Answer: 9⁄11
  2. 2. Algebra

    Solve: 6x - 5 = 43

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 7.81cm
  4. 4. Ratio

    Share 140 in the ratio 4:3

    Answer: 80 and 60
  5. 5. Statistics

    Find the mean of: 12, 10, 10, 5, 13

    Answer: 10

Tuesday 30 April 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄12 + 7⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 4x - 16 = 4

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 36 in the ratio 1:2

    Answer: 12 and 24
  5. 5. Statistics

    Find the mean of: 18, 17, 10, 15

    Answer: 15

Wednesday 1 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄7 + 1⁄5

    Answer: 17⁄35
  2. 2. Algebra

    Solve: 4x + 9 = 29

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 14.42cm
  4. 4. Ratio

    Share 54 in the ratio 2:1

    Answer: 36 and 18
  5. 5. Statistics

    Find the mean of: 20, 12, 7

    Answer: 13

Thursday 2 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄9 + 2⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Solve: 3x + 4 = 37

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 6cm and 8cm

    Answer: 10cm
  4. 4. Ratio

    Share 36 in the ratio 2:1

    Answer: 24 and 12
  5. 5. Statistics

    Find the mean of: 9, 9, 16, 4, 12

    Answer: 10

Friday 3 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 1⁄5

    Answer: 8⁄15
  2. 2. Algebra

    Solve: 8x - 9 = 71

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 8.6cm
  4. 4. Ratio

    Share 120 in the ratio 2:1

    Answer: 80 and 40
  5. 5. Statistics

    Calculate the mean of: 19, 43, 33, 44, 24, 10, 15. Give your answer to 2 decimal places

    Answer: 26.86