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Cornerstone Apr 7 - 13 25 questions
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Monday 7 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄11 + 4⁄11

    Answer: 9⁄11
  2. 2. Algebra

    Solve: 3x - 11 = 34

    Answer: x = 15
  3. 3. Geometry

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

    Answer: 17cm
  4. 4. Ratio

    Share 84 in the ratio 2:1

    Answer: 56 and 28
  5. 5. Statistics

    Find the mean of: 3, 9, 18

    Answer: 10

Tuesday 8 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄10 + 1⁄10

    Answer: 7⁄10
  2. 2. Algebra

    Solve: 7x - 11 = 73

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 60 in the ratio 1:3

    Answer: 15 and 45
  5. 5. Statistics

    Find the mean of: 11, 18, 8, 7

    Answer: 11

Wednesday 9 April 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 + 14 = 26

    Answer: x = 3
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 8.6cm
  4. 4. Ratio

    Share 35 in the ratio 4:3

    Answer: 20 and 15
  5. 5. Statistics

    Calculate the mean of: 41, 9, 50, 27, 38, 35. Give your answer to 2 decimal places

    Answer: 33.33

Thursday 10 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 1⁄3

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 2x + 15 = 27

    Answer: x = 6
  3. 3. Geometry

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

    Answer: 15cm
  4. 4. Ratio

    Share 90 in the ratio 2:3

    Answer: 36 and 54
  5. 5. Statistics

    Calculate the mean of: 32, 16, 8, 42, 15, 29. Give your answer to 2 decimal places

    Answer: 23.67

Friday 11 April 2014

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄8 + 2⁄8

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 3x - 17 = -2

    Answer: x = 5
  3. 3. Geometry

    Calculate the hypotenuse when a = 8cm and b = 9cm. Give your answer to 2 decimal places

    Answer: 12.04cm
  4. 4. Ratio

    Share 35 in the ratio 3:2

    Answer: 21 and 14
  5. 5. Statistics

    Find the mean of: 13, 17, 20, 8, 7

    Answer: 13