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Cornerstone Aug 1 - 7 25 questions
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Monday 1 August 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄6 + 1⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 6x + 12 = 60

    Answer: x = 8
  3. 3. Geometry

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

    Answer: 10.82cm
  4. 4. Ratio

    Divide 77 in the ratio 3:1:3

    Answer: 33, 11 and 33
  5. 5. Statistics

    Calculate the mean of: 39, 25, 6, 23, 9, 35, 9. Give your answer to 2 decimal places

    Answer: 20.86

Tuesday 2 August 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄6 + 2⁄3

    Answer: 3⁄2
  2. 2. Algebra

    Solve: 3x + 14 = 50

    Answer: x = 12
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Divide 156 in the ratio 3:2:1

    Answer: 78, 52 and 26
  5. 5. Statistics

    Calculate the mean of: 44, 45, 7, 17, 34, 7, 50. Give your answer to 2 decimal places

    Answer: 29.14

Wednesday 3 August 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄8 + 1⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 4x - 10 = 22

    Answer: x = 8
  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

    Divide 104 in the ratio 4:1:3

    Answer: 52, 13 and 39
  5. 5. Statistics

    Find the mean of: 17, 14, 5

    Answer: 12

Thursday 4 August 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 5⁄12 + 6⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 5x - 9 = 11

    Answer: x = 4
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 4cm. Give your answer to 2 decimal places

    Answer: 9.85cm
  4. 4. Ratio

    Share 108 in the ratio 1:2

    Answer: 36 and 72
  5. 5. Statistics

    Calculate the mean of: 41, 31, 31, 17, 34, 48. Give your answer to 2 decimal places

    Answer: 33.67

Friday 5 August 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄5 + 2⁄6

    Answer: 17⁄15
  2. 2. Algebra

    Solve: 2x + 11 = 35

    Answer: x = 12
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 20cm and 21cm

    Answer: 29cm
  4. 4. Ratio

    Share 24 in the ratio 1:2

    Answer: 8 and 16
  5. 5. Statistics

    Find the mean of: 3, 2, 16, 7

    Answer: 7