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Cornerstone Mar 31 - Apr 6 25 questions
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Monday 31 March 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄7 + 1⁄7

    Answer: 5⁄7
  2. 2. Algebra

    Solve: 3x + 13 = 22

    Answer: x = 3
  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

    Share 140 in the ratio 4:3

    Answer: 80 and 60
  5. 5. Statistics

    Find the mean of: 4, 17, 5, 2

    Answer: 7

Tuesday 1 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄5 + 6⁄8

    Answer: 19⁄20
  2. 2. Algebra

    Solve: 5x + 4 = 19

    Answer: x = 3
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 10cm. Give your answer to 2 decimal places

    Answer: 12.81cm
  4. 4. Ratio

    Divide 184 in the ratio 4:1:3

    Answer: 92, 23 and 69
  5. 5. Statistics

    Find the mean of: 10, 19, 7, 8, 6

    Answer: 10

Wednesday 2 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 1⁄6

    Answer: 1⁄3
  2. 2. Algebra

    Solve: 2x + 5 = 27

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio

    Divide 145 in the ratio 2:2:1

    Answer: 58, 58 and 29
  5. 5. Statistics

    Find the mean of: 6, 17, 3, 14

    Answer: 10

Thursday 3 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄8 + 1⁄4

    Answer: 3⁄8
  2. 2. Algebra

    Solve: 4x - 5 = 19

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 7.62cm
  4. 4. Ratio

    Divide 171 in the ratio 4:4:1

    Answer: 76, 76 and 19
  5. 5. Statistics

    Calculate the mean of: 39, 46, 42, 42, 50, 16. Give your answer to 2 decimal places

    Answer: 39.17

Friday 4 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 7⁄8 + 5⁄7

    Answer: 89⁄56
  2. 2. Algebra

    Solve: 6x - 6 = 84

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 14.76cm
  4. 4. Ratio

    Divide 242 in the ratio 4:4:3

    Answer: 88, 88 and 66
  5. 5. Statistics

    Find the mean of: 11, 3, 13

    Answer: 9