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Bedrock Jan 1 - 7 25 questions
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Monday 10 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -2 + (-2)

    Answer: -4
  2. 2. Algebra

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

    Answer: 42
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

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

    Simplify the ratio 10:14

    Answer: 5:7
  5. 5. Statistics

    Find the range of: 17, 15, 21, 25, 33

    Answer: 18

Tuesday 11 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 43 + 11

    Answer: 43 + 11 = 54
  2. 2. Algebra

    Simplify: 7x + 7x

    Answer: 14x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 30cm. Find the angle

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

    Simplify the ratio 25:20

    Answer: 5:4
  5. 5. Statistics

    Find the median of: 5, 14, 10, 16, 9

    Answer: 10

Wednesday 12 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 45 + 81

    Answer: 45 + 81 = 126
  2. 2. Algebra

    Simplify: 8x + 8x

    Answer: 16x
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 35:10

    Answer: 7:2
  5. 5. Statistics

    Find the mean of: 16, 4, 13, 13

    Answer: 11.5

Thursday 13 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 21 + 25

    Answer: 21 + 25 = 46
  2. 2. Algebra

    Find the midpoint of (2, 6) and (16, 17)

    Answer: (9, 11.5)
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

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

    In ratio 5:1, the difference between shares is 68. What are the shares?

    Answer: 85 and 17
  5. 5. Statistics

    Find the mean of: 17, 5, 9, 20

    Answer: 12.75

Friday 14 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 9.1 + 4.4

    Answer: 9.1 + 4.4 = 13.5
  2. 2. Algebra

    Factorise: 15x + 9

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

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

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

    Simplify the ratio 10:14

    Answer: 5:7
  5. 5. Statistics

    Find the median of: 19, 19, 20, 18, 18

    Answer: 19