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Bedrock Jan 1 - 7 25 questions
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Monday 24 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -10 + 2

    Answer: -8
  2. 2. Algebra

    Find the next term: 11, 15, 19, 23, ...

    Answer: 27
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 8.5cm. Find the angle

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

    Calculate 10% of 166

    Answer: 16.6
  5. 5. Statistics

    Find the mean of: 9, 3, 9

    Answer: 7

Tuesday 25 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    80000

    Answer: 8 × 104
  2. 2. Algebra

    Simplify: 8x + 5x

    Answer: 13x
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

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

    Simplify the ratio 20:25

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 6, 3, 11, 15, 4

    Answer: 7.8

Wednesday 26 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8 + 8 × 5

    Answer: 48
  2. 2. Algebra

    Find the next term: 30, 33, 36, 39, ...

    Answer: 42
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

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

    Simplify the ratio 14:10

    Answer: 7:5
  5. 5. Statistics

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

    Answer: 1⁄6

Thursday 27 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 44 × 44

    Answer: 48
  2. 2. Algebra

    Find the next term: 19, 27, 35, 43, ...

    Answer: 51
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 18cm. Find the angle

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

    Calculate 25% of 85

    Answer: 21.25
  5. 5. Statistics

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

    Answer: 1⁄2

Friday 28 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 82 + 34

    Answer: 82 + 34 = 116
  2. 2. Algebra

    Simplify: 9x + 5x

    Answer: 14x
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 19.8cm. Find the angle

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

    Simplify the ratio 9:6

    Answer: 3:2
  5. 5. Statistics

    Find the range of: 14, 25, 20, 18, 12

    Answer: 13