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Cornerstone Jun 9 - 15 25 questions
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Monday 9 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 1⁄4

    Answer: 21⁄20
  2. 2. Algebra

    Solve: 3x - 7 = 26

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio

    Share 24 in the ratio 3:1

    Answer: 18 and 6
  5. 5. Statistics

    Calculate the mean of: 44, 17, 23, 37, 9, 50, 39. Give your answer to 2 decimal places

    Answer: 31.29

Tuesday 10 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄7 + 3⁄5

    Answer: 31⁄35
  2. 2. Algebra

    Solve: 4x - 11 = 5

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 16.64cm
  4. 4. Ratio

    Share 108 in the ratio 2:1

    Answer: 72 and 36
  5. 5. Statistics

    Calculate the mean of: 50, 35, 36, 35, 44, 25, 33, 39. Give your answer to 2 decimal places

    Answer: 37.13

Wednesday 11 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄5 + 1⁄5

    Answer: 3⁄5
  2. 2. Algebra

    Solve: 6x + 8 = 62

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 85 in the ratio 1:4

    Answer: 17 and 68
  5. 5. Statistics

    Find the mean of: 9, 19, 5

    Answer: 11

Thursday 12 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 1⁄8

    Answer: 37⁄40
  2. 2. Algebra

    Solve: 4x + 13 = 41

    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 36 in the ratio 3:1

    Answer: 27 and 9
  5. 5. Statistics

    Find the mean of: 14, 1, 10, 5, 20

    Answer: 10

Friday 13 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 2⁄6

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 8x - 8 = 96

    Answer: x = 13
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 12cm

    Answer: 15cm
  4. 4. Ratio

    Share 98 in the ratio 3:4

    Answer: 42 and 56
  5. 5. Statistics

    Calculate the mean of: 21, 21, 9, 33, 25, 50

    Answer: 26.5