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Cornerstone Jun 3 - 9 25 questions
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Monday 3 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄8 + 1⁄4

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 8x - 7 = 57

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Divide 198 in the ratio 2:4:3

    Answer: 44, 88 and 66
  5. 5. Statistics

    Calculate the mean of: 35, 38, 12, 37, 17, 36, 28

    Answer: 29

Tuesday 4 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄8 + 3⁄6

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 2x - 17 = -7

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 48 in the ratio 2:1

    Answer: 32 and 16
  5. 5. Statistics

    Find the mean of: 6, 19, 14, 17

    Answer: 14

Wednesday 5 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄6 + 2⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 7x + 11 = 60

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 8.94cm
  4. 4. Ratio

    Share 100 in the ratio 2:3

    Answer: 40 and 60
  5. 5. Statistics

    Calculate the mean of: 35, 19, 45, 27, 46, 14, 26, 35. Give your answer to 2 decimal places

    Answer: 30.88

Thursday 6 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄4 + 2⁄3

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 7x + 4 = 53

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 41cm
  4. 4. Ratio

    Share 68 in the ratio 3:1

    Answer: 51 and 17
  5. 5. Statistics

    Calculate the mean of: 44, 39, 7, 28, 36, 23, 11. Give your answer to 2 decimal places

    Answer: 26.86

Friday 7 June 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄8 + 1⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 2x - 15 = 7

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 16.28cm
  4. 4. Ratio

    Share 50 in the ratio 1:4

    Answer: 10 and 40
  5. 5. Statistics

    Find the mean of: 9, 8, 1

    Answer: 6