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Cornerstone Apr 18 - 24 25 questions
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Monday 18 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 3⁄6

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 5x + 11 = 66

    Answer: x = 11
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Share 35 in the ratio 3:2

    Answer: 21 and 14
  5. 5. Statistics

    Find the mean of: 4, 15, 16, 20

    Answer: 13.75

Tuesday 19 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 3⁄4 + 2⁄5

    Answer: 23⁄20
  2. 2. Algebra

    Solve: 2x - 11 = 17

    Answer: x = 14
  3. 3. Geometry

    Calculate the hypotenuse when a = 5cm and b = 11cm

    Answer: 12.08cm
  4. 4. Ratio

    Share 60 in the ratio 1:3

    Answer: 15 and 45
  5. 5. Statistics

    Calculate the mean of: 15, 11, 19, 31, 28, 23

    Answer: 21.2

Wednesday 20 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄12 + 5⁄12

    Answer: 11⁄12
  2. 2. Algebra

    Solve: 3x - 16 = 17

    Answer: x = 11
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 3cm and 4cm

    Answer: 5cm
  4. 4. Ratio

    Share 30 in the ratio 2:3

    Answer: 12 and 18
  5. 5. Statistics

    Find the mean of: 12, 2, 4, 4, 14

    Answer: 7.2

Thursday 21 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄6 + 2⁄4

    Answer: 5⁄6
  2. 2. Algebra

    Solve: 3x + 7 = 25

    Answer: x = 6
  3. 3. Geometry

    Calculate the hypotenuse when a = 7cm and b = 9cm

    Answer: 11.4cm
  4. 4. Ratio

    Share 45 in the ratio 2:3

    Answer: 18 and 27
  5. 5. Statistics

    Calculate the mean of: 16, 31, 15, 35, 19, 11

    Answer: 21.2

Friday 22 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄7 + 4⁄7

    Answer: 6⁄7
  2. 2. Algebra

    Solve: 6x + 7 = 25

    Answer: x = 3
  3. 3. Geometry

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

    Answer: 20cm
  4. 4. Ratio

    Share 45 in the ratio 1:4

    Answer: 9 and 36
  5. 5. Statistics

    Calculate the mean of: 10, 25, 30, 31, 46, 17

    Answer: 26.5