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Cornerstone Jan 1 - 7 25 questions
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Monday 11 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -10 + (20) + (-2)

    Answer: 8
  2. 2. Algebra

    Solve: 7x = 98

    Answer: x = 14
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 22cm. Find the angle

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

    Simplify: 8:12:16

    Answer: 2:3:4
  5. 5. Statistics

    Find the mean of: 19, 13, 6, 15, 16

    Answer: 13.8

Tuesday 12 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 27 + 83

    Answer: 27 + 83 = 110
  2. 2. Algebra

    Collect like terms: 8x + 8y + 8x + 6y

    Answer: 16x + 14y
  3. 3. Geometry

    Opposite = 18cm, adjacent = 14cm. Calculate the angle

    Answer: 52.1°
  4. 4. Ratio

    Simplify: 4:10:4

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

    Find the range of: 19, 16, 28, 9, 25

    Answer: 19

Wednesday 13 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 28 + 47

    Answer: 2328
  2. 2. Algebra

    Expand: 4(x + 6)

    Answer: 4x + 24
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 17cm. Find the angle

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

    Find 81% of 486

    Answer: 393.66
  5. 5. Statistics

    Calculate the mean of: 29, 33, 11, 17, 47, 19, 46

    Answer: 28.9

Thursday 14 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 39 + ? = 153

    Answer: 114
  2. 2. Algebra

    Simplify: 2x + 5x

    Answer: 7x
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

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

    Simplify the ratio 12:6

    Answer: 2:1
  5. 5. Statistics

    Find the range of: 15, 36, 22, 8, 38

    Answer: 30

Friday 15 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 33 + 41

    Answer: 33 + 41 = 74
  2. 2. Algebra

    What is the next term? 6, 24, 96, 384, ...

    Answer: 1536
  3. 3. Geometry

    Opposite = 15cm, adjacent = 8cm. Calculate the angle

    Answer: 61.9°
  4. 4. Ratio

    Calculate 50% of 29

    Answer: 14.5
  5. 5. Statistics

    Calculate the range of: 56, 32, 45, 29, 55, 59

    Answer: 30