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Bedrock Jan 1 - 7 25 questions
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Monday 27 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 68 + 61

    Answer: 68 + 61 = 129
  2. 2. Algebra

    Simplify: 3x + 2x

    Answer: 5x
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

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

    In ratio 7:2, the difference between shares is 80. What are the shares?

    Answer: 112 and 32
  5. 5. Statistics

    Find the mean of: 4, 6, 16, 11, 20

    Answer: 11.4

Tuesday 28 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 73

    Answer: 26 + 73 = 99
  2. 2. Algebra

    Simplify: 5x + 8x

    Answer: 13x
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

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

    Calculate 10% of 40

    Answer: 4
  5. 5. Statistics

    Find the mean of: 6, 12, 12, 7, 15

    Answer: 10.4

Wednesday 1 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6 + 3

    Answer: 9
  2. 2. Algebra

    Find the next term: 13, 21, 29, 37, ...

    Answer: 45
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

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

    Calculate 25% of 129

    Answer: 32.25
  5. 5. Statistics

    Find the mean of: 11, 15, 12, 16

    Answer: 13.5

Thursday 2 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 40 + 49

    Answer: 40 + 49 = 89
  2. 2. Algebra

    Factorise: 42x + 12

    Answer: 6(7x + 2)
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 5.8cm. Find the angle

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

    Simplify the ratio 35:15

    Answer: 7:3
  5. 5. Statistics

    Find the mean of: 3, 16, 7, 12

    Answer: 9.5

Friday 3 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 67 + 96

    Answer: 67 + 96 = 163
  2. 2. Algebra

    Simplify: 8x + 8x

    Answer: 16x
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Calculate 25% of 144

    Answer: 36
  5. 5. Statistics

    Find the mean of: 19, 14, 6, 11

    Answer: 12.5