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Bedrock Jan 1 - 7 25 questions
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Monday 12 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 74 + 38

    Answer: 74 + 38 = 112
  2. 2. Algebra

    Simplify: 3x + 6x

    Answer: 9x
  3. 3. Geometry

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

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

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

    Find the median of: 9, 14, 9, 14, 14

    Answer: 14

Tuesday 13 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄9 + 2⁄9

    Answer: 8⁄9
  2. 2. Algebra

    Find the next term: 14, 16, 18, 20, ...

    Answer: 22
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 17cm. Find the angle

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

    Simplify the ratio 9:21

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 15, 13, 5, 18

    Answer: 12.75

Wednesday 14 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Round 134 to the nearest 10

    Answer: 130
  2. 2. Algebra

    Factorise: 42x + 24

    Answer: 6(7x + 4)
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

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

    Simplify the ratio 24:28

    Answer: 6:7
  5. 5. Statistics

    Find the median of: 15, 10, 19, 9, 7

    Answer: 10

Thursday 15 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 86 + 73

    Answer: 86 + 73 = 159
  2. 2. Algebra

    Find the next term: 11, 17, 23, 29, ...

    Answer: 35
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 11.3cm. Find the angle

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

    Calculate 50% of 174

    Answer: 87
  5. 5. Statistics

    Find the range of: 27, 18, 16, 45, 45

    Answer: 29

Friday 16 May 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 47 + 13

    Answer: 47 + 13 = 60
  2. 2. Algebra

    Solve: x + 2 = 5

    Answer: x = 3
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 19.8cm. Find the angle

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

    Simplify the ratio 16:8

    Answer: 2:1
  5. 5. Statistics

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

    Answer: 1⁄2