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Bedrock Jan 1 - 7 25 questions
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Monday 18 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 17 + 17

    Answer: 17 + 17 = 34
  2. 2. Algebra

    Simplify: 2x + 7x

    Answer: 9x
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 28cm. Find the angle

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

    Simplify the ratio 14:8

    Answer: 7:4
  5. 5. Statistics

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

    Answer: 1⁄6

Tuesday 19 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    700000

    Answer: 7 × 105
  2. 2. Algebra

    Factorise: 15x + 18

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

    Convert 7 litres to ml

    Answer: 7000ml
  4. 4. Ratio

    Calculate 50% of 98

    Answer: 49
  5. 5. Statistics

    Find the mean of: 17, 15, 4, 3

    Answer: 9.75

Wednesday 20 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄9 + 5⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Simplify: 4x + 2x

    Answer: 6x
  3. 3. Geometry

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

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

    Simplify the ratio 40:30

    Answer: 4:3
  5. 5. Statistics

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

    Answer: 1⁄2

Thursday 21 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 38 + 50

    Answer: 38 + 50 = 88
  2. 2. Algebra

    Simplify: 4x + 8x

    Answer: 12x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 7.cm. Find the angle

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

    Simplify the ratio 12:28

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 5, 3, 18, 10

    Answer: 9

Friday 22 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 20 + 21

    Answer: 20 + 21 = 41
  2. 2. Algebra

    Simplify: 5x + 4x

    Answer: 9x
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 28:8

    Answer: 7:2
  5. 5. Statistics

    Find the median of: 7, 11, 11, 12, 7

    Answer: 11