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Cornerstone Jan 1 - 7 25 questions
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Monday 9 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 22 × 25

    Answer: 27
  2. 2. Algebra

    Find the next term: 8, 14, 20, 26, ...

    Answer: 32
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 10cm. Find the angle

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

    Simplify the ratio 32:24

    Answer: 4:3
  5. 5. Statistics

    Calculate the mean of: 35, 13, 10, 48, 35, 11

    Answer: 25.3

Tuesday 10 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 43 + 97

    Answer: 43 + 97 = 140
  2. 2. Algebra

    Solve: x + 4 = 10

    Answer: x = 6
  3. 3. Geometry

    Opposite = 18cm, adjacent = 13cm. Calculate the angle

    Answer: 54.2°
  4. 4. Ratio

    Simplify the ratio 4:8

    Answer: 1:2
  5. 5. Statistics

    Calculate the range of: 32, 71, 68, 100, 98, 63

    Answer: 68

Wednesday 11 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 663 + 628

    Answer: 663 + 628 = 1291
  2. 2. Algebra

    What is the next term? 7, 28, 112, 448, ...

    Answer: 1792
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

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

    Simplify the ratio 16:24

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 11, 16, 16, 13, 13

    Answer: 13.8

Thursday 12 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 86 + 95

    Answer: 86 + 95 = 181
  2. 2. Algebra

    Collect like terms: 6x + 3y + 3x + 5y

    Answer: 9x + 8y
  3. 3. Geometry

    Opposite = 16cm, adjacent = 19cm. Calculate the angle

    Answer: 40.1°
  4. 4. Ratio

    Simplify the ratio 24:12

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 19, 16, 3, 20, 14

    Answer: 14.4

Friday 13 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 392 + 374

    Answer: 392 + 374 = 766
  2. 2. Algebra

    Find the next term: 20, 29, 38, 47, ...

    Answer: 56
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Simplify the ratio 9:12

    Answer: 3:4
  5. 5. Statistics

    Calculate the mean of: 48, 13, 23, 34, 8, 29

    Answer: 25.8