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Cornerstone May 23 - 29 25 questions
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Monday 23 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄9 + 5⁄9

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 3x + 11 = 47

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 17cm
  4. 4. Ratio

    Divide 203 in the ratio 4:1:2

    Answer: 116, 29 and 58
  5. 5. Statistics

    Calculate the mean of: 39, 46, 20, 45, 9, 22. Give your answer to 2 decimal places

    Answer: 30.17

Tuesday 24 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄8 + 1⁄8

    Answer: 3⁄4
  2. 2. Algebra

    Solve: 7x + 8 = 71

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 48 in the ratio 3:1

    Answer: 36 and 12
  5. 5. Statistics

    Find the mean of: 20, 18, 5, 9

    Answer: 13

Wednesday 25 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄3 + 5⁄8

    Answer: 31⁄24
  2. 2. Algebra

    Solve: 7x - 9 = 82

    Answer: x = 13
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 11.4cm
  4. 4. Ratio

    Share 18 in the ratio 1:2

    Answer: 6 and 12
  5. 5. Statistics

    Calculate the mean of: 33, 32, 28, 17, 33, 8. Give your answer to 2 decimal places

    Answer: 25.17

Thursday 26 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄11 + 4⁄11

    Answer: 6⁄11
  2. 2. Algebra

    Solve: 3x - 12 = 0

    Answer: x = 4
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 72 in the ratio 1:3

    Answer: 18 and 54
  5. 5. Statistics

    Calculate the mean of: 13, 8, 22, 48, 37, 29. Give your answer to 2 decimal places

    Answer: 26.17

Friday 27 May 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄4 + 5⁄6

    Answer: 13⁄12
  2. 2. Algebra

    Solve: 4x + 14 = 38

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 8cm. Give your answer to 2 decimal places

    Answer: 8.54cm
  4. 4. Ratio

    Share 80 in the ratio 1:3

    Answer: 20 and 60
  5. 5. Statistics

    Find the mean of: 4, 13, 1, 6, 16

    Answer: 8