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Cornerstone Jan 1 - 7 25 questions
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Monday 2 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 59 + 58

    Answer: 59 + 58 = 117
  2. 2. Algebra

    Collect like terms: 2x + 2y + 2x + 6y

    Answer: 4x + 8y
  3. 3. Geometry

    Opposite = 12cm, adjacent = 18cm. Calculate the angle

    Answer: 33.7°
  4. 4. Ratio

    Simplify the ratio 8:12

    Answer: 2:3
  5. 5. Statistics

    Calculate the mean of: 35, 44, 20, 19, 36, 11, 5

    Answer: 24.3

Tuesday 3 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 53 + ? = 133

    Answer: 80
  2. 2. Algebra

    Solve: x + 6 = 12

    Answer: x = 6
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Simplify the ratio 9:12

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 3, 17, 17, 6

    Answer: 10.75

Wednesday 4 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 951 + 652

    Answer: 951 + 652 = 1603
  2. 2. Algebra

    Solve: x + 6 = 26

    Answer: x = 20
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

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

    Find 51% of 300

    Answer: 153
  5. 5. Statistics

    Calculate the range of: 96, 45, 63, 41, 71, 35

    Answer: 61

Thursday 5 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 31 + 45

    Answer: 31 + 45 = 76
  2. 2. Algebra

    Collect like terms: 8x + 2y + 7x + 7y

    Answer: 15x + 9y
  3. 3. Geometry

    Opposite = 14cm, adjacent = 15cm. Calculate the angle

    Answer: 43°
  4. 4. Ratio

    Find 28% of 392

    Answer: 109.76
  5. 5. Statistics

    What is the probability of getting heads when flipping a fair coin?

    Answer: 12

Friday 6 December 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 106, 224, and 129

    Answer: 459
  2. 2. Algebra

    What is the next term? 2, 4, 8, 16, ...

    Answer: 32
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 14.cm. Find the angle

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

    Simplify: 12:6:4

    Answer: 6:3:2
  5. 5. Statistics

    Find the mean of: 4, 9, 18, 4, 6

    Answer: 8.2