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Cornerstone May 6 - 12 25 questions
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Monday 6 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 7⁄8 + 3⁄4

    Answer: 13⁄8
  2. 2. Algebra

    Solve: 3x + 14 = 47

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 12.53cm
  4. 4. Ratio

    Divide 162 in the ratio 3:4:2

    Answer: 54, 72 and 36
  5. 5. Statistics

    Calculate the mean of: 38, 34, 31, 29, 14, 49, 36, 22. Give your answer to 2 decimal places

    Answer: 31.63

Tuesday 7 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄9 + 4⁄9

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 5x - 7 = 18

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Divide 156 in the ratio 1:4:1

    Answer: 26, 104 and 26
  5. 5. Statistics

    Find the mean of: 20, 14, 2, 4

    Answer: 10

Wednesday 8 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄8 + 2⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 2x - 20 = 2

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Divide 161 in the ratio 2:2:3

    Answer: 46, 46 and 69
  5. 5. Statistics

    Find the mean of: 7, 8, 3, 14

    Answer: 8

Thursday 9 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 3⁄5

    Answer: 14⁄15
  2. 2. Algebra

    Solve: 7x + 6 = 83

    Answer: x = 11
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 16.55cm
  4. 4. Ratio

    Divide 120 in the ratio 2:2:1

    Answer: 48, 48 and 24
  5. 5. Statistics

    Calculate the mean of: 10, 26, 35, 27, 16, 49, 26

    Answer: 27

Friday 10 May 2013

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 5x + 8 = 48

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Divide 136 in the ratio 1:2:1

    Answer: 34, 68 and 34
  5. 5. Statistics

    Calculate the mean of: 40, 24, 30, 22, 15, 18, 27. Give your answer to 2 decimal places

    Answer: 25.14