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Bedrock Jan 1 - 7 25 questions
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Monday 10 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 44 + 17

    Answer: 44 + 17 = 61
  2. 2. Algebra

    Factorise: 15x + 18

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

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

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

    Simplify the ratio 35:20

    Answer: 7:4
  5. 5. Statistics

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

    Answer: 12

Tuesday 11 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 88 + 71

    Answer: 88 + 71 = 159
  2. 2. Algebra

    Find the next term: 13, 20, 27, 34, ...

    Answer: 41
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 26cm. Find the angle

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

    Simplify the ratio 28:16

    Answer: 7:4
  5. 5. Statistics

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

    Answer: 12

Wednesday 12 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 30 + 28

    Answer: 30 + 28 = 58
  2. 2. Algebra

    Find the next term: 9, 16, 23, 30, ...

    Answer: 37
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 6:24

    Answer: 1:4
  5. 5. Statistics

    Find the mean of: 13, 5, 5, 20, 6

    Answer: 9.8

Thursday 13 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 38 + 38

    Answer: 34
  2. 2. Algebra

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

    Answer: 35
  3. 3. Geometry

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

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

    Calculate 50% of 125

    Answer: 62.5
  5. 5. Statistics

    Find the mean of: 17, 3, 19, 18, 16

    Answer: 14.6

Friday 14 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 90 + 28

    Answer: 90 + 28 = 118
  2. 2. Algebra

    Find the next term: 7, 10, 13, 16, ...

    Answer: 19
  3. 3. Geometry

    Find the area of a circle with radius 10cm

    Answer: 314.16cm²
  4. 4. Ratio

    Simplify the ratio 10:20

    Answer: 1:2
  5. 5. Statistics

    Find the range of: 8, 16, 14, 8, 5

    Answer: 11