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Bedrock Jan 1 - 7 25 questions
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Monday 6 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄10 + 5⁄10

    Answer: 7⁄10
  2. 2. Algebra

    Expand: 5(x + 2)

    Answer: 5x + 10
  3. 3. Geometry

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

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

    Simplify the ratio 9:18

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 10, 13, 14, 13, 7

    Answer: 11.4

Tuesday 7 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 47 + 47

    Answer: 47 + 47 = 94
  2. 2. Algebra

    Simplify: 3x + 3x

    Answer: 6x
  3. 3. Geometry

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

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

    Simplify the ratio 32:28

    Answer: 8:7
  5. 5. Statistics

    Find the mean of: 8, 6, 16, 20

    Answer: 12.5

Wednesday 8 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 93 + 56

    Answer: 93 + 56 = 149
  2. 2. Algebra

    Simplify: 5x + 5x

    Answer: 10x
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 11.5cm. Find the angle

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

    Simplify the ratio 12:20

    Answer: 3:5
  5. 5. Statistics

    Find the mean of: 5, 16, 2, 3

    Answer: 6.5

Thursday 9 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 20 + 49

    Answer: 20 + 49 = 69
  2. 2. Algebra

    Find the midpoint of (4, 3) and (14, 15)

    Answer: (9, 9)
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 5.8cm. Find the angle

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

    Simplify the ratio 12:8

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 20, 2, 17, 3

    Answer: 10.5

Friday 10 January 2025

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -4 + 9

    Answer: 5
  2. 2. Algebra

    Find the next term: 19, 29, 39, 49, ...

    Answer: 59
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 8.cm. Find the angle

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

    Simplify the ratio 4:16

    Answer: 1:4
  5. 5. Statistics

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

    Answer: 1⁄2