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Bedrock Jan 1 - 7 25 questions
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Monday 9 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 80 - 33

    Answer: 80 - 33 = 47
  2. 2. Algebra

    Simplify: 6x + 5x

    Answer: 11x
  3. 3. Geometry

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

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

    Simplify the ratio 16:12

    Answer: 4:3
  5. 5. Statistics

    What is the probability of rolling a 6 on a fair die?

    Answer: 16

Tuesday 10 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 511 + 111

    Answer: 611
  2. 2. Algebra

    Find the next term: 19, 21, 23, 25, ...

    Answer: 27
  3. 3. Geometry

    Find the area of a right triangle with base 12cm and height 8cm

    Answer: 48cm²
  4. 4. Ratio

    Calculate 10% of 42

    Answer: 4.2
  5. 5. Statistics

    Find the range of: 38, 38, 41, 18, 46

    Answer: 28

Wednesday 11 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 42 + 21

    Answer: 42 + 21 = 63
  2. 2. Algebra

    Find the next term: 19, 23, 27, 31, ...

    Answer: 35
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

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

    Simplify the ratio 10:6

    Answer: 5:3
  5. 5. Statistics

    Find the mean of: 2, 20, 11

    Answer: 11

Thursday 12 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 5

    Answer: 5, 10, 15, 20, 25
  2. 2. Algebra

    Simplify: 8x + 2x

    Answer: 10x
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

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

    Simplify the ratio 4:12

    Answer: 1:3
  5. 5. Statistics

    Find the mean of: 11, 9, 10, 5

    Answer: 8.75

Friday 13 January 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 45 + 38

    Answer: 45 + 38 = 83
  2. 2. Algebra

    Factorise: 20x + 24

    Answer: 4(5x + 6)
  3. 3. Geometry

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

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

    Simplify the ratio 28:12

    Answer: 7:3
  5. 5. Statistics

    Find the range of: 23, 16, 19, 12, 16

    Answer: 11