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Bedrock Jan 1 - 7 25 questions
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Monday 1 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 34 + 17

    Answer: 34 + 17 = 51
  2. 2. Algebra

    Factorise: 35x + 20

    Answer: 5(7x + 4)
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 22cm. Find the angle

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

    Simplify the ratio 15:10

    Answer: 3:2
  5. 5. Statistics

    Find the range of: 32, 12, 42, 19, 40

    Answer: 30

Tuesday 2 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 74 + 69

    Answer: 74 + 69 = 143
  2. 2. Algebra

    Factorise: 24x + 18

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

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Calculate 10% of 196

    Answer: 19.6
  5. 5. Statistics

    Find the mean of: 19, 3, 2, 18

    Answer: 10.5

Wednesday 3 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 812 + 212

    Answer: 56
  2. 2. Algebra

    Simplify: 7x + 8x

    Answer: 15x
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 9.9cm. Find the angle

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

    Simplify the ratio 28:20

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 2, 19, 19, 7, 5

    Answer: 10.4

Thursday 4 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 49 + 41

    Answer: 49 + 41 = 90
  2. 2. Algebra

    Simplify: 7x + 2x

    Answer: 9x
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    Simplify the ratio 24:32

    Answer: 3:4
  5. 5. Statistics

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

    Answer: 12

Friday 5 August 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 23 + 40

    Answer: 23 + 40 = 63
  2. 2. Algebra

    Factorise: 12x + 15

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

    Opposite = 15cm, hypotenuse = 21.2cm. Find the angle

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

    In ratio 5:4, the difference between shares is 14. What are the shares?

    Answer: 70 and 56
  5. 5. Statistics

    Find the mean of: 10, 7, 18

    Answer: 11.666666666667