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Cornerstone Aug 4 - 10 25 questions
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Monday 4 August 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄9 + 2⁄9

    Answer: 5⁄9
  2. 2. Algebra

    Solve: 8x - 7 = 65

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Divide 232 in the ratio 3:1:4

    Answer: 87, 29 and 116
  5. 5. Statistics

    Find the mean of: 8, 4, 1, 15

    Answer: 7

Tuesday 5 August 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄6 + 2⁄3

    Answer: 7⁄6
  2. 2. Algebra

    Solve: 3x + 15 = 30

    Answer: x = 5
  3. 3. Geometry

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

    Answer: 8.49cm
  4. 4. Ratio

    Divide 152 in the ratio 4:3:1

    Answer: 76, 57 and 19
  5. 5. Statistics

    Calculate the mean of: 9, 11, 9, 29, 33, 14, 38. Give your answer to 2 decimal places

    Answer: 20.43

Wednesday 6 August 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Solve: 4x + 5 = 41

    Answer: x = 9
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio

    Divide 108 in the ratio 3:1:2

    Answer: 54, 18 and 36
  5. 5. Statistics

    Calculate the mean of: 6, 35, 22, 22, 8, 44. Give your answer to 2 decimal places

    Answer: 22.83

Thursday 7 August 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 5⁄6

    Answer: 4⁄3
  2. 2. Algebra

    Solve: 2x - 18 = 4

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 7.07cm
  4. 4. Ratio

    Divide 96 in the ratio 3:4:1

    Answer: 36, 48 and 12
  5. 5. Statistics

    Find the mean of: 2, 8, 10, 8

    Answer: 7

Friday 8 August 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄7 + 1⁄5

    Answer: 22⁄35
  2. 2. Algebra

    Solve: 5x - 11 = 14

    Answer: x = 5
  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 2:1:3

    Answer: 40, 20 and 60
  5. 5. Statistics

    Find the mean of: 7, 25, 2, 10, 11

    Answer: 11