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Bedrock Jan 1 - 7 25 questions
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Monday 17 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 40 + 48

    Answer: 40 + 48 = 88
  2. 2. Algebra

    Find the next term: 11, 15, 19, 23, ...

    Answer: 27
  3. 3. Geometry

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

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

    Calculate 10% of 161

    Answer: 16.1
  5. 5. Statistics

    Find the mean of: 18, 19, 18, 7

    Answer: 15.5

Tuesday 18 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 37

    Answer: 26 + 37 = 63
  2. 2. Algebra

    Find the next term: 7, 16, 25, 34, ...

    Answer: 43
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 12cm. Find the angle

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

    Calculate 50% of 133

    Answer: 66.5
  5. 5. Statistics

    Find the mean of: 13, 19, 13, 14, 7

    Answer: 13.2

Wednesday 19 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 48 + 56

    Answer: 48 + 56 = 104
  2. 2. Algebra

    Simplify: 4x + 4x

    Answer: 8x
  3. 3. Geometry

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

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

    Simplify the ratio 8:32

    Answer: 1:4
  5. 5. Statistics

    Find the median of: 5, 11, 19, 17, 20

    Answer: 17

Thursday 20 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 17 + 33

    Answer: 17 + 33 = 50
  2. 2. Algebra

    Factorise: 20x + 12

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

    Opposite = 13cm, hypotenuse = 26cm. Find the angle

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

    Calculate 50% of 168

    Answer: 84
  5. 5. Statistics

    Find the range of: 16, 31, 34, 21, 32

    Answer: 18

Friday 21 March 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 76 + 82

    Answer: 76 + 82 = 158
  2. 2. Algebra

    Simplify: 6x + 4x

    Answer: 10x
  3. 3. Geometry

    Find the area of a right triangle with base 11cm and height 7cm

    Answer: 38.5cm²
  4. 4. Ratio

    Calculate 10% of 141

    Answer: 14.1
  5. 5. Statistics

    Find the mean of: 16, 9, 12, 11, 4

    Answer: 10.4