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Cornerstone Jun 13 - 19 25 questions
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Monday 13 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 2⁄6

    Answer: 2⁄3
  2. 2. Algebra

    Solve: 2x - 5 = 13

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 11cm. Give your answer to 2 decimal places

    Answer: 14.21cm
  4. 4. Ratio

    Divide 200 in the ratio 2:1:2

    Answer: 80, 40 and 80
  5. 5. Statistics

    Find the mean of: 22, 9, 4, 13, 17

    Answer: 13

Tuesday 14 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 1⁄5

    Answer: 13⁄15
  2. 2. Algebra

    Solve: 7x - 5 = 93

    Answer: x = 14
  3. 3. Geometry

    Calculate the hypotenuse when a = 4cm and b = 5cm. Give your answer to 2 decimal places

    Answer: 6.4cm
  4. 4. Ratio

    Share 65 in the ratio 1:4

    Answer: 13 and 52
  5. 5. Statistics

    Calculate the mean of: 8, 33, 29, 22, 29, 34, 14, 8. Give your answer to 2 decimal places

    Answer: 22.13

Wednesday 15 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄5 + 3⁄4

    Answer: 27⁄20
  2. 2. Algebra

    Solve: 2x + 9 = 33

    Answer: x = 12
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 7cm and 24cm

    Answer: 25cm
  4. 4. Ratio

    Share 45 in the ratio 4:1

    Answer: 36 and 9
  5. 5. Statistics

    Find the mean of: 15, 25, 5

    Answer: 15

Thursday 16 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄12 + 4⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 4x + 14 = 26

    Answer: x = 3
  3. 3. Geometry

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

    Answer: 9.85cm
  4. 4. Ratio

    Share 112 in the ratio 3:4

    Answer: 48 and 64
  5. 5. Statistics

    Find the mean of: 6, 13, 2

    Answer: 7

Friday 17 June 2016

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄5 + 1⁄3

    Answer: 14⁄15
  2. 2. Algebra

    Solve: 8x - 10 = 110

    Answer: x = 15
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 84 in the ratio 1:2

    Answer: 28 and 56
  5. 5. Statistics

    Calculate the mean of: 37, 29, 27, 39, 44, 16, 39, 18. Give your answer to 2 decimal places

    Answer: 31.13