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Cornerstone Jan 1 - 7 25 questions
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Monday 10 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 56 + 23

    Answer: 32
  2. 2. Algebra

    Find the next term: 22, 31, 40, 49, ...

    Answer: 58
  3. 3. Geometry

    Opposite = 19cm, adjacent = 20cm. Calculate the angle

    Answer: 43.5°
  4. 4. Ratio

    Simplify the ratio 40:30

    Answer: 4:3
  5. 5. Statistics

    Calculate the mean of: 27, 9, 12, 50, 50, 15, 31

    Answer: 27.7

Tuesday 11 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 87 + 25

    Answer: 87 + 25 = 112
  2. 2. Algebra

    Solve: 4x = 24

    Answer: x = 6
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

    Answer: 60° (approximately)
  4. 4. Ratio

    Calculate 50% of 111

    Answer: 55.5
  5. 5. Statistics

    Find the mean of: 13, 12, 5, 5, 20

    Answer: 11

Wednesday 12 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 37 + ? = 179

    Answer: 142
  2. 2. Algebra

    Factorise: 4x² + 6x

    Answer: 2x(2x + 3)
  3. 3. Geometry

    Calculate the hypotenuse when a = 9cm and b = 13cm

    Answer: 15.81cm
  4. 4. Ratio

    Simplify the ratio 6:10

    Answer: 3:5
  5. 5. Statistics

    Find the range of: 19, 7, 35, 34, 14

    Answer: 28

Thursday 13 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -8 + 0

    Answer: -8
  2. 2. Algebra

    Expand: 9(x + 8)

    Answer: 9x + 72
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 9.9cm. Find the angle

    Answer: 45° (approximately)
  4. 4. Ratio

    Simplify the ratio 28:32

    Answer: 7:8
  5. 5. Statistics

    Calculate the mean of: 44, 10, 11, 49, 16, 40, 16

    Answer: 26.6

Friday 14 June 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 79 + 28

    Answer: 79 + 28 = 107
  2. 2. Algebra

    Solve: x + 8 = 25

    Answer: x = 17
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    Simplify: 12:20:24

    Answer: 3:5:6
  5. 5. Statistics

    Find the mean of: 16, 2, 14, 14

    Answer: 11.5