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Bedrock Jan 1 - 7 25 questions
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Monday 31 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -7 + 0

    Answer: -7
  2. 2. Algebra

    Find the next term: 22, 30, 38, 46, ...

    Answer: 54
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

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

    Simplify the ratio 40:25

    Answer: 8:5
  5. 5. Statistics

    Find the range of: 11, 9, 36, 13, 13

    Answer: 27

Tuesday 1 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 54 + 74

    Answer: 54 + 74 = 128
  2. 2. Algebra

    Find the midpoint of (3, 8) and (11, 18)

    Answer: (7, 13)
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

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

    Calculate 25% of 129

    Answer: 32.25
  5. 5. Statistics

    What is the probability of rolling a 2 on a fair die?

    Answer: 1⁄6

Wednesday 2 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 55 × 52

    Answer: 57
  2. 2. Algebra

    Solve: x + 7 = 12

    Answer: x = 5
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

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

    Calculate 25% of 163

    Answer: 40.75
  5. 5. Statistics

    Find the range of: 13, 13, 19, 36, 18

    Answer: 23

Thursday 3 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 88 + 77

    Answer: 88 + 77 = 165
  2. 2. Algebra

    Simplify: 5x + 6x

    Answer: 11x
  3. 3. Geometry

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

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

    Simplify the ratio 12:18

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 20, 13, 6

    Answer: 13

Friday 4 April 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 93 + 27

    Answer: 93 + 27 = 120
  2. 2. Algebra

    Simplify: 3x + 2x

    Answer: 5x
  3. 3. Geometry

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

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

    Simplify the ratio 15:21

    Answer: 5:7
  5. 5. Statistics

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

    Answer: 1⁄2