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Bedrock Jan 1 - 7 25 questions
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Monday 30 September 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8.7 + 7.2

    Answer: 8.7 + 7.2 = 15.9
  2. 2. Algebra

    Find the next term: 20, 25, 30, 35, ...

    Answer: 40
  3. 3. Geometry

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

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

    Simplify the ratio 25:30

    Answer: 5:6
  5. 5. Statistics

    Find the mean of: 20, 8, 5

    Answer: 11

Tuesday 1 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 11 × 4

    Answer: 11 × 4 = 44
  2. 2. Algebra

    Simplify: 9x + 3x

    Answer: 12x
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 14cm. Find the angle

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

    Simplify the ratio 24:8

    Answer: 3:1
  5. 5. Statistics

    Find the mean of: 4, 7, 3, 8

    Answer: 5.5

Wednesday 2 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 35 + 15

    Answer: 45
  2. 2. Algebra

    Simplify: 3x + 8x

    Answer: 11x
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 24:18

    Answer: 4:3
  5. 5. Statistics

    Find the median of: 15, 5, 19, 10, 9

    Answer: 10

Thursday 3 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 42 + 17

    Answer: 42 + 17 = 59
  2. 2. Algebra

    Solve: x + 2 = 18

    Answer: x = 16
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Simplify the ratio 9:12

    Answer: 3:4
  5. 5. Statistics

    Find the range of: 30, 19, 18, 11, 19

    Answer: 19

Friday 4 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 4

    Answer: 4, 8, 12, 16, 20
  2. 2. Algebra

    Factorise: 25x + 40

    Answer: 5(5x + 8)
  3. 3. Geometry

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

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

    Calculate 25% of 130

    Answer: 32.5
  5. 5. Statistics

    What is the probability of rolling a 2 on a fair die?

    Answer: 16