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Cornerstone Nov 12 - 18 25 questions
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Monday 12 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 2⁄8

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 6x + 10 = 76

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 25cm
  4. 4. Ratio

    Share 35 in the ratio 4:3

    Answer: 20 and 15
  5. 5. Statistics

    Calculate the mean of: 43, 19, 31, 5, 13, 14. Give your answer to 2 decimal places

    Answer: 20.83

Tuesday 13 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 3⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 3x - 20 = -5

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 7cm. Give your answer to 2 decimal places

    Answer: 7.62cm
  4. 4. Ratio

    Share 72 in the ratio 2:1

    Answer: 48 and 24
  5. 5. Statistics

    Find the mean of: 17, 20, 5

    Answer: 14

Wednesday 14 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 2⁄8

    Answer: 21⁄20
  2. 2. Algebra

    Solve: 4x - 12 = 16

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 13cm. Give your answer to 2 decimal places

    Answer: 13.93cm
  4. 4. Ratio

    Divide 108 in the ratio 3:2:4

    Answer: 36, 24 and 48
  5. 5. Statistics

    Calculate the mean of: 45, 31, 28, 42, 46, 45, 14, 48. Give your answer to 2 decimal places

    Answer: 37.38

Thursday 15 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄11 + 1⁄11

    Answer: 8⁄11
  2. 2. Algebra

    Solve: 2x + 13 = 19

    Answer: x = 3
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 14cm. Give your answer to 2 decimal places

    Answer: 15.23cm
  4. 4. Ratio

    Divide 88 in the ratio 1:2:1

    Answer: 22, 44 and 22
  5. 5. Statistics

    Find the mean of: 6, 24, 16, 10

    Answer: 14

Friday 16 November 2012

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄8 + 1⁄4

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 4x + 7 = 27

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 13.42cm
  4. 4. Ratio

    Divide 207 in the ratio 1:4:4

    Answer: 23, 92 and 92
  5. 5. Statistics

    Find the mean of: 14, 18, 19, 5

    Answer: 14