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Cornerstone Jun 25 - Jul 1 25 questions
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Monday 25 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄9 + 6⁄9

    Answer: 7⁄9
  2. 2. Algebra

    Solve: 3x + 11 = 35

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 12cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 13.89cm
  4. 4. Ratio

    Share 119 in the ratio 3:4

    Answer: 51 and 68
  5. 5. Statistics

    Find the mean of: 21, 18, 6

    Answer: 15

Tuesday 26 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄8 + 3⁄4

    Answer: 5⁄4
  2. 2. Algebra

    Solve: 7x + 13 = 55

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Share 114 in the ratio 2:1

    Answer: 76 and 38
  5. 5. Statistics

    Find the mean of: 13, 12, 16, 7

    Answer: 12

Wednesday 27 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄6 + 1⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 5x - 8 = 37

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 18.6cm
  4. 4. Ratio

    Share 49 in the ratio 3:4

    Answer: 21 and 28
  5. 5. Statistics

    Calculate the mean of: 25, 5, 5, 14, 19, 49

    Answer: 19.5

Thursday 28 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄10 + 3⁄10

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 7x - 18 = 10

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 14.32cm
  4. 4. Ratio

    Share 57 in the ratio 1:2

    Answer: 19 and 38
  5. 5. Statistics

    Calculate the mean of: 27, 12, 13, 40, 33, 44. Give your answer to 2 decimal places

    Answer: 28.17

Friday 29 June 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄7 + 2⁄5

    Answer: 44⁄35
  2. 2. Algebra

    Solve: 4x + 10 = 34

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 29cm
  4. 4. Ratio

    Share 66 in the ratio 2:1

    Answer: 44 and 22
  5. 5. Statistics

    Find the mean of: 9, 2, 7, 10

    Answer: 7