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Cornerstone Jun 20 - 26 25 questions
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Monday 20 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄8 + 2⁄4

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 7x + 15 = 43

    Answer: x = 4
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 12cm and 16cm

    Answer: 20cm
  4. 4. Ratio

    Share 24 in the ratio 3:1

    Answer: 18 and 6
  5. 5. Statistics

    Calculate the mean of: 23, 12, 6, 35, 7, 50. Give your answer to 2 decimal places

    Answer: 22.17

Tuesday 21 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄11 + 1⁄11

    Answer: 7⁄11
  2. 2. Algebra

    Solve: 2x - 15 = -3

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 12cm. Give your answer to 2 decimal places

    Answer: 13.89cm
  4. 4. Ratio

    Share 80 in the ratio 1:3

    Answer: 20 and 60
  5. 5. Statistics

    Find the mean of: 3, 19, 2

    Answer: 8

Wednesday 22 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄7 + 1⁄5

    Answer: 17⁄35
  2. 2. Algebra

    Solve: 2x - 10 = 4

    Answer: x = 7
  3. 3. Geometry

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

    Answer: 41cm
  4. 4. Ratio

    Share 108 in the ratio 2:1

    Answer: 72 and 36
  5. 5. Statistics

    Find the mean of: 3, 20, 3, 13, 11

    Answer: 10

Thursday 23 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄6 + 3⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 2x + 3 = 17

    Answer: x = 7
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 6cm. Give your answer to 2 decimal places

    Answer: 10.82cm
  4. 4. Ratio

    Share 60 in the ratio 1:3

    Answer: 15 and 45
  5. 5. Statistics

    Calculate the mean of: 34, 13, 32, 24, 37, 47, 34, 28. Give your answer to 2 decimal places

    Answer: 31.13

Friday 24 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄8 + 1⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 2x + 6 = 12

    Answer: x = 3
  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 3:2:2

    Answer: 75, 50 and 50
  5. 5. Statistics

    Find the mean of: 5, 9, 16

    Answer: 10