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Cornerstone Jun 16 - 22 25 questions
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Monday 16 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄11 + 5⁄11

    Answer: 6⁄11
  2. 2. Algebra

    Solve: 7x + 8 = 43

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 8cm and 15cm

    Answer: 17cm
  4. 4. Ratio

    Divide 200 in the ratio 2:2:1

    Answer: 80, 80 and 40
  5. 5. Statistics

    Calculate the mean of: 25, 30, 17, 13, 30, 8, 10

    Answer: 19

Tuesday 17 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 6⁄7

    Answer: 25⁄21
  2. 2. Algebra

    Solve: 5x - 15 = 50

    Answer: x = 13
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 13.45cm
  4. 4. Ratio

    Divide 175 in the ratio 2:4:1

    Answer: 50, 100 and 25
  5. 5. Statistics

    Find the mean of: 13, 11, 9, 7

    Answer: 10

Wednesday 18 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 2⁄3

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 3x - 13 = 14

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 11.18cm
  4. 4. Ratio

    Divide 260 in the ratio 2:1:2

    Answer: 104, 52 and 104
  5. 5. Statistics

    Find the mean of: 11, 12, 10, 17, 10

    Answer: 12

Thursday 19 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄7 + 3⁄7

    Answer: 4⁄7
  2. 2. Algebra

    Solve: 6x + 3 = 45

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 15.56cm
  4. 4. Ratio

    Divide 144 in the ratio 1:4:1

    Answer: 24, 96 and 24
  5. 5. Statistics

    Calculate the mean of: 38, 13, 27, 15, 21, 25. Give your answer to 2 decimal places

    Answer: 23.17

Friday 20 June 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 1⁄3

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x + 10 = 40

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 14.21cm
  4. 4. Ratio

    Divide 91 in the ratio 1:3:3

    Answer: 13, 39 and 39
  5. 5. Statistics

    Find the mean of: 13, 8, 14, 6, 4

    Answer: 9