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Cornerstone Jan 1 - 7 25 questions
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Monday 20 May 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 47 + ? = 180

    Answer: 133
  2. 2. Algebra

    Solve: 8x = 104

    Answer: x = 13
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Calculate 25% of 44

    Answer: 11
  5. 5. Statistics

    Find the mean of: 6, 5, 2

    Answer: 4.3333333333333

Tuesday 21 May 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    30000

    Answer: 3 × 104
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

    Opposite = 8cm, adjacent = 11cm. Calculate the angle

    Answer: 36°
  4. 4. Ratio

    Simplify the ratio 32:16

    Answer: 2:1
  5. 5. Statistics

    Calculate the mean of: 9, 21, 17, 27, 12, 43

    Answer: 21.5

Wednesday 22 May 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 195 + 135

    Answer: 195 + 135 = 330
  2. 2. Algebra

    Simplify: 7x + 7x

    Answer: 14x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 5.8cm. Find the angle

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

    Simplify the ratio 16:28

    Answer: 4:7
  5. 5. Statistics

    Calculate the mean of: 7, 22, 8, 49, 7, 13, 27

    Answer: 19

Thursday 23 May 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 20 + 64

    Answer: 20 + 64 = 84
  2. 2. Algebra

    For y = x³ + 2, calculate y when x = 3

    Answer: y = 29
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 6cm and 9cm

    Answer: 27cm²
  4. 4. Ratio

    Simplify the ratio 16:14

    Answer: 8:7
  5. 5. Statistics

    Find the range of: 17, 24, 26, 9, 12

    Answer: 17

Friday 24 May 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 22 + 95

    Answer: 22 + 95 = 117
  2. 2. Algebra

    What is the next term? 8, 16, 32, 64, ...

    Answer: 128
  3. 3. Geometry

    Calculate the area of a circle with diameter 22cm

    Answer: 380.13cm²
  4. 4. Ratio

    Simplify: 15:15:18

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

    Calculate the mean of: 18, 14, 19, 22, 35, 34, 34

    Answer: 25.1