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Cornerstone Jun 14 - 20 25 questions
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Monday 14 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄4 + 4⁄7

    Answer: 37⁄28
  2. 2. Algebra

    Solve: 2x + 8 = 18

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 10cm. Give your answer to 2 decimal places

    Answer: 11.18cm
  4. 4. Ratio

    Share 54 in the ratio 1:2

    Answer: 18 and 36
  5. 5. Statistics

    Calculate the mean of: 46, 28, 8, 13, 6, 9. Give your answer to 2 decimal places

    Answer: 18.33

Tuesday 15 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 4⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 8x - 11 = 37

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 41cm
  4. 4. Ratio

    Share 45 in the ratio 1:2

    Answer: 15 and 30
  5. 5. Statistics

    Find the mean of: 9, 9, 13, 9, 20

    Answer: 12

Wednesday 16 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 4⁄6

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 3x - 5 = 7

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 8.54cm
  4. 4. Ratio

    Share 35 in the ratio 3:4

    Answer: 15 and 20
  5. 5. Statistics

    Find the mean of: 9, 8, 8, 11

    Answer: 9

Thursday 17 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄10 + 3⁄10

    Answer: 1⁄2
  2. 2. Algebra

    Solve: 2x + 6 = 24

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Share 84 in the ratio 3:4

    Answer: 36 and 48
  5. 5. Statistics

    Calculate the mean of: 8, 10, 45, 29, 16, 6, 43, 23

    Answer: 22.5

Friday 18 June 2010

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄9 + 2⁄9

    Answer: 1⁄3
  2. 2. Algebra

    Solve: 3x + 12 = 48

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Share 90 in the ratio 2:1

    Answer: 60 and 30
  5. 5. Statistics

    Calculate the mean of: 31, 5, 44, 50, 14, 16. Give your answer to 2 decimal places

    Answer: 26.67