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Bedrock Jan 1 - 7 25 questions
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Monday 16 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 37 + 20

    Answer: 37 + 20 = 57
  2. 2. Algebra

    Factorise: 6x + 16

    Answer: 2(3x + 8)
  3. 3. Geometry

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

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

    Simplify the ratio 16:20

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 19, 5, 5, 5, 18

    Answer: 10.4

Tuesday 17 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 61 + 86

    Answer: 61 + 86 = 147
  2. 2. Algebra

    Solve: x + 10 = 21

    Answer: x = 11
  3. 3. Geometry

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

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

    Simplify the ratio 12:20

    Answer: 3:5
  5. 5. Statistics

    Find the mean of: 6, 18, 3, 10

    Answer: 9.25

Wednesday 18 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 0 + 3

    Answer: 3
  2. 2. Algebra

    Factorise: 24x + 20

    Answer: 4(6x + 5)
  3. 3. Geometry

    Find the area of a circle with radius 8cm

    Answer: 201.06cm²
  4. 4. Ratio

    Calculate 10% of 65

    Answer: 6.5
  5. 5. Statistics

    Find the range of: 31, 32, 18, 26, 22

    Answer: 14

Thursday 19 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 39 + 28

    Answer: 39 + 28 = 67
  2. 2. Algebra

    Simplify: 7x + 2x

    Answer: 9x
  3. 3. Geometry

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

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

    Simplify the ratio 20:15

    Answer: 4:3
  5. 5. Statistics

    Find the mean of: 15, 18, 13, 15, 15

    Answer: 15.2

Friday 20 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 98 + 90

    Answer: 98 + 90 = 188
  2. 2. Algebra

    Find the next term: 15, 24, 33, 42, ...

    Answer: 51
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

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

    Simplify the ratio 18:24

    Answer: 3:4
  5. 5. Statistics

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

    Answer: 16