Change pack
Bedrock Jan 1 - 7 25 questions
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Monday 5 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 42 + 19

    Answer: 42 + 19 = 61
  2. 2. Algebra

    Find the next term: 6, 8, 10, 12, ...

    Answer: 14
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Calculate 10% of 80

    Answer: 8
  5. 5. Statistics

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

    Answer: 12

Tuesday 6 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 711 + 211

    Answer: 911
  2. 2. Algebra

    Simplify: 6x + 9x

    Answer: 15x
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 8.cm. Find the angle

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

    Simplify the ratio 8:12

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 17, 19, 6, 19, 3

    Answer: 12.8

Wednesday 7 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    400000

    Answer: 4 × 105
  2. 2. Algebra

    Solve: x + 9 = 14

    Answer: x = 5
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    In ratio 4:1, the difference between shares is 45. What are the shares?

    Answer: 60 and 15
  5. 5. Statistics

    Find the mean of: 8, 20, 4, 20

    Answer: 13

Thursday 8 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4 × 8

    Answer: 4 × 8 = 32
  2. 2. Algebra

    Simplify: 3x + 5x

    Answer: 8x
  3. 3. Geometry

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

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

    Simplify the ratio 30:15

    Answer: 2:1
  5. 5. Statistics

    What is the probability of rolling a 1 on a fair die?

    Answer: 16

Friday 9 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 59 + 87

    Answer: 59 + 87 = 146
  2. 2. Algebra

    Simplify: 9x + 2x

    Answer: 11x
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 10cm. Find the angle

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

    Simplify the ratio 9:18

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 11, 14, 11, 17, 14

    Answer: 13.4