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Cornerstone Jan 1 - 7 25 questions
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Monday 22 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 79.25 + 11.78

    Answer: 79.25 + 11.78 = 91.03
  2. 2. Algebra

    Solve: 5x = 15

    Answer: x = 3
  3. 3. Geometry

    Opposite = 8cm, adjacent = 9cm. Calculate the angle

    Answer: 41.6°
  4. 4. Ratio

    Calculate 25% of 137

    Answer: 34.25
  5. 5. Statistics

    Calculate the range of: 48, 73, 38, 98, 81, 30

    Answer: 68

Tuesday 23 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 70 + 32

    Answer: 70 + 32 = 102
  2. 2. Algebra

    Factorise: 15x + 20

    Answer: 5(3x + 4)
  3. 3. Geometry

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

    Answer: 10cm
  4. 4. Ratio

    Simplify the ratio 9:24

    Answer: 3:8
  5. 5. Statistics

    Find the range of: 16, 14, 28, 31, 7

    Answer: 24

Wednesday 24 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    70000

    Answer: 7 × 104
  2. 2. Algebra

    Solve: x + 9 = 22

    Answer: x = 13
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 12cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify: 4:4:12

    Answer: 1:1:3
  5. 5. Statistics

    Calculate the range of: 55, 22, 96, 92, 96, 53

    Answer: 74

Thursday 25 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 190, 112, and 102

    Answer: 404
  2. 2. Algebra

    Solve: 3x = 42

    Answer: x = 14
  3. 3. Geometry

    Calculate the area of a circle with diameter 22cm

    Answer: 380.13cm²
  4. 4. Ratio

    Simplify: 16:24:8

    Answer: 2:3:1
  5. 5. Statistics

    Find the mean of: 16, 18, 14

    Answer: 16

Friday 26 July 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 87 + 45

    Answer: 87 + 45 = 132
  2. 2. Algebra

    What is the next term? 2, 6, 18, 54, ...

    Answer: 162
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 14cm. Find the angle

    Answer: 30° (approximately)
  4. 4. Ratio

    Simplify: 20:16:8

    Answer: 5:4:2
  5. 5. Statistics

    Find the range of: 23, 32, 13, 10, 24

    Answer: 22