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Cornerstone Jun 8 - 14 25 questions
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Monday 8 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 4⁄6 + 1⁄3

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 5x + 3 = 58

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 39cm
  4. 4. Ratio

    Share 68 in the ratio 3:1

    Answer: 51 and 17
  5. 5. Statistics

    Calculate the mean of: 11, 14, 11, 7, 19, 48, 44

    Answer: 22

Tuesday 9 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄11 + 1⁄11

    Answer: 5⁄11
  2. 2. Algebra

    Solve: 2x - 10 = 2

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 6cm

    Answer: 9.22cm
  4. 4. Ratio

    Share 105 in the ratio 4:3

    Answer: 60 and 45
  5. 5. Statistics

    Find the mean of: 11, 19, 13

    Answer: 14.333333333333

Wednesday 10 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄7 + 1⁄7

    Answer: 3⁄7
  2. 2. Algebra

    Solve: 4x - 20 = 24

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 29cm
  4. 4. Ratio

    Share 35 in the ratio 3:4

    Answer: 15 and 20
  5. 5. Statistics

    Find the mean of: 4, 12, 6

    Answer: 7.3333333333333

Thursday 11 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄7 + 2⁄6

    Answer: 13⁄21
  2. 2. Algebra

    Solve: 7x + 6 = 69

    Answer: x = 9
  3. 3. Geometry

    Calculate the hypotenuse when a = 6cm and b = 13cm

    Answer: 14.32cm
  4. 4. Ratio

    Share 55 in the ratio 1:4

    Answer: 11 and 44
  5. 5. Statistics

    Calculate the mean of: 48, 41, 11, 46, 43, 8

    Answer: 32.8

Friday 12 June 2020

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄9 + 1⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Solve: 3x + 3 = 27

    Answer: x = 8
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 20cm

    Answer: 25cm
  4. 4. Ratio

    Share 57 in the ratio 1:2

    Answer: 19 and 38
  5. 5. Statistics

    Calculate the mean of: 22, 32, 27, 21, 36, 15

    Answer: 25.5