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Bedrock Jan 1 - 7 25 questions
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Monday 3 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 47 + 54

    Answer: 47 + 54 = 101
  2. 2. Algebra

    Find the next term: 29, 38, 47, 56, ...

    Answer: 65
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Simplify the ratio 32:20

    Answer: 8:5
  5. 5. Statistics

    Find the mean of: 20, 3, 10, 8

    Answer: 10.25

Tuesday 4 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 7⁄12 + 1⁄12

    Answer: 2⁄3
  2. 2. Algebra

    Simplify: 8x + 2x

    Answer: 10x
  3. 3. Geometry

    Find the area of a right triangle with base 9cm and height 12cm

    Answer: 54cm²
  4. 4. Ratio

    Simplify the ratio 15:18

    Answer: 5:6
  5. 5. Statistics

    Find the range of: 17, 17, 31, 35, 41

    Answer: 24

Wednesday 5 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 24 + 41

    Answer: 24 + 41 = 65
  2. 2. Algebra

    Factorise: 12x + 16

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

    Convert 6kg to g

    Answer: 6000g
  4. 4. Ratio

    Simplify the ratio 20:16

    Answer: 5:4
  5. 5. Statistics

    Find the mean of: 4, 18, 18, 6, 15

    Answer: 12.2

Thursday 6 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 68 + 36

    Answer: 68 + 36 = 104
  2. 2. Algebra

    Simplify: 6x + 2x

    Answer: 8x
  3. 3. Geometry

    Opposite = 13cm, hypotenuse = 15cm. Find the angle

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

    Simplify the ratio 8:12

    Answer: 2:3
  5. 5. Statistics

    Find the mean of: 20, 6, 14, 11

    Answer: 12.75

Friday 7 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 17 + 31

    Answer: 17 + 31 = 48
  2. 2. Algebra

    Find the next term: 6, 12, 18, 24, ...

    Answer: 30
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

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

    Simplify the ratio 25:20

    Answer: 5:4
  5. 5. Statistics

    Find the range of: 10, 7, 18, 14, 15

    Answer: 11