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Cornerstone Jun 6 - 12 25 questions
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Monday 6 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄6 + 1⁄3

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 5x + 12 = 32

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 12.08cm
  4. 4. Ratio

    Divide 102 in the ratio 3:2:1

    Answer: 51, 34 and 17
  5. 5. Statistics

    Find the mean of: 18, 12, 3, 3

    Answer: 9

Tuesday 7 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄12 + 5⁄12

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 7x - 5 = 44

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Divide 126 in the ratio 3:3:1

    Answer: 54, 54 and 18
  5. 5. Statistics

    Calculate the mean of: 9, 29, 39, 33, 12, 32. Give your answer to 2 decimal places

    Answer: 25.67

Wednesday 8 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄8 + 4⁄8

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 4x - 10 = 46

    Answer: x = 14
  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

    Divide 162 in the ratio 3:1:2

    Answer: 81, 27 and 54
  5. 5. Statistics

    Calculate the mean of: 8, 35, 30, 48, 9, 24. Give your answer to 2 decimal places

    Answer: 25.67

Thursday 9 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄7 + 1⁄3

    Answer: 19⁄21
  2. 2. Algebra

    Solve: 6x + 9 = 33

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 11.4cm
  4. 4. Ratio

    Divide 125 in the ratio 1:1:3

    Answer: 25, 25 and 75
  5. 5. Statistics

    Find the mean of: 2, 23, 8

    Answer: 11

Friday 10 June 2011

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄7 + 4⁄5

    Answer: 58⁄35
  2. 2. Algebra

    Solve: 4x + 14 = 26

    Answer: x = 3
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio

    Divide 80 in the ratio 2:1:1

    Answer: 40, 20 and 20
  5. 5. Statistics

    Find the mean of: 17, 18, 10, 17, 13

    Answer: 15