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Bedrock Jan 1 - 7 25 questions
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Monday 22 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 39 + 18

    Answer: 39 + 18 = 57
  2. 2. Algebra

    Factorise: 8x + 20

    Answer: 4(2x + 5)
  3. 3. Geometry

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

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

    Simplify the ratio 12:20

    Answer: 3:5
  5. 5. Statistics

    Find the mean of: 15, 5, 19, 18

    Answer: 14.25

Tuesday 23 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 95 - 80

    Answer: 95 - 80 = 15
  2. 2. Algebra

    Find the next term: 12, 17, 22, 27, ...

    Answer: 32
  3. 3. Geometry

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

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

    Simplify the ratio 24:18

    Answer: 4:3
  5. 5. Statistics

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

    Answer: 1⁄2

Wednesday 24 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 54 × 52

    Answer: 56
  2. 2. Algebra

    Simplify: 5x + 4x

    Answer: 9x
  3. 3. Geometry

    Convert 2 litres to ml

    Answer: 2000ml
  4. 4. Ratio

    Calculate 25% of 94

    Answer: 23.5
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 1⁄6

Thursday 25 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 34 + 42

    Answer: 34 + 42 = 76
  2. 2. Algebra

    Find the next term: 28, 32, 36, 40, ...

    Answer: 44
  3. 3. Geometry

    Find the area of a right triangle with base 8cm and height 6cm

    Answer: 24cm²
  4. 4. Ratio

    Calculate 25% of 140

    Answer: 35
  5. 5. Statistics

    Find the mean of: 11, 4, 10, 8

    Answer: 8.25

Friday 26 November 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄9 + 2⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Find the next term: 19, 29, 39, 49, ...

    Answer: 59
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 18.4cm. Find the angle

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

    Simplify the ratio 12:24

    Answer: 1:2
  5. 5. Statistics

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

    Answer: 1⁄6