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Cornerstone Jun 5 - 11 25 questions
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Monday 5 June 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄8 + 5⁄6

    Answer: 35⁄24
  2. 2. Algebra

    Solve: 8x - 17 = 63

    Answer: x = 10
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 36cm

    Answer: 39cm
  4. 4. Ratio

    Divide 133 in the ratio 4:1:2

    Answer: 76, 19 and 38
  5. 5. Statistics

    Find the mean of: 15, 12, 3, 10

    Answer: 10

Tuesday 6 June 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄12 + 5⁄12

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 4x - 14 = 34

    Answer: x = 12
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 8.94cm
  4. 4. Ratio

    Divide 128 in the ratio 4:3:1

    Answer: 64, 48 and 16
  5. 5. Statistics

    Find the mean of: 20, 2, 14, 4, 5

    Answer: 9

Wednesday 7 June 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 6⁄7

    Answer: 25⁄21
  2. 2. Algebra

    Solve: 7x + 5 = 40

    Answer: x = 5
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 5cm and 12cm

    Answer: 13cm
  4. 4. Ratio

    Divide 66 in the ratio 4:1:1

    Answer: 44, 11 and 11
  5. 5. Statistics

    Calculate the mean of: 21, 18, 40, 47, 27, 21

    Answer: 29

Thursday 8 June 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄6 + 4⁄5

    Answer: 49⁄30
  2. 2. Algebra

    Solve: 5x + 14 = 44

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 12.53cm
  4. 4. Ratio

    Divide 203 in the ratio 1:3:3

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

    Calculate the mean of: 39, 32, 34, 13, 38, 50. Give your answer to 2 decimal places

    Answer: 34.33

Friday 9 June 2017

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8⁄10 + 1⁄10

    Answer: 9⁄10
  2. 2. Algebra

    Solve: 5x - 8 = 67

    Answer: x = 15
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 12cm

    Answer: 13cm
  4. 4. Ratio

    Divide 180 in the ratio 3:4:3

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

    Find the mean of: 11, 18, 5, 18, 18

    Answer: 14