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Bedrock Jan 1 - 7 25 questions
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Monday 17 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 95 - 39

    Answer: 95 - 39 = 56
  2. 2. Algebra

    Simplify: 4x + 9x

    Answer: 13x
  3. 3. Geometry

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

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

    Simplify the ratio 12:32

    Answer: 3:8
  5. 5. Statistics

    Find the mean of: 14, 13, 18, 11

    Answer: 14

Tuesday 18 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    8000

    Answer: 8 × 103
  2. 2. Algebra

    Solve: x + 15 = 18

    Answer: x = 3
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

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

    Simplify the ratio 4:16

    Answer: 1:4
  5. 5. Statistics

    Find the mean of: 6, 8, 15

    Answer: 9.6666666666667

Wednesday 19 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 34 + 20

    Answer: 34 + 20 = 54
  2. 2. Algebra

    Find the next term: 26, 31, 36, 41, ...

    Answer: 46
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

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

    Simplify the ratio 32:24

    Answer: 4:3
  5. 5. Statistics

    Find the mean of: 2, 15, 3, 13

    Answer: 8.25

Thursday 20 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 26 + 45

    Answer: 26 + 45 = 71
  2. 2. Algebra

    Find the next term: 5, 8, 11, 14, ...

    Answer: 17
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

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

    Simplify the ratio 40:10

    Answer: 4:1
  5. 5. Statistics

    What is the probability of rolling a 1 on a fair die?

    Answer: 1⁄6

Friday 21 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄11 + 6⁄11

    Answer: 8⁄11
  2. 2. Algebra

    Find the next term: 7, 9, 11, 13, ...

    Answer: 15
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

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

    Simplify the ratio 28:32

    Answer: 7:8
  5. 5. Statistics

    Find the mean of: 17, 3, 3

    Answer: 7.6666666666667