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Cornerstone Apr 18 - 24 25 questions
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Monday 18 April 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 6⁄7 + 1⁄4

    Answer: 31⁄28
  2. 2. Algebra

    Solve: 5x + 3 = 53

    Answer: x = 10
  3. 3. Geometry

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

    Answer: 13cm
  4. 4. Ratio

    Share 27 in the ratio 1:2

    Answer: 9 and 18
  5. 5. Statistics

    Calculate the mean of: 50, 14, 50, 36, 28, 34. Give your answer to 2 decimal places

    Answer: 35.33

Tuesday 19 April 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄7 + 2⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 4x - 17 = 35

    Answer: x = 13
  3. 3. Geometry

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

    Answer: 5cm
  4. 4. Ratio

    Share 85 in the ratio 2:3

    Answer: 34 and 51
  5. 5. Statistics

    Find the mean of: 9, 6, 9, 15, 6

    Answer: 9

Wednesday 20 April 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄8 + 1⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 8x - 7 = 49

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 10cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 10.77cm
  4. 4. Ratio

    Share 72 in the ratio 2:1

    Answer: 48 and 24
  5. 5. Statistics

    Calculate the mean of: 44, 48, 35, 22, 42, 36. Give your answer to 2 decimal places

    Answer: 37.83

Thursday 21 April 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄8 + 3⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 2x + 11 = 27

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 55 in the ratio 1:4

    Answer: 11 and 44
  5. 5. Statistics

    Find the mean of: 13, 14, 5, 4

    Answer: 9

Friday 22 April 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄8 + 1⁄4

    Answer: 5⁄8
  2. 2. Algebra

    Solve: 7x + 4 = 60

    Answer: x = 8
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 15cm. Give your answer to 2 decimal places

    Answer: 15.52cm
  4. 4. Ratio

    Share 98 in the ratio 3:4

    Answer: 42 and 56
  5. 5. Statistics

    Find the mean of: 13, 2, 9

    Answer: 8