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Bedrock Jan 1 - 7 25 questions
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Monday 4 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 22 + 38

    Answer: 22 + 38 = 60
  2. 2. Algebra

    Simplify: 5x + 5x

    Answer: 10x
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 16cm. Find the angle

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

    Simplify the ratio 8:28

    Answer: 2:7
  5. 5. Statistics

    Find the mean of: 2, 8, 4, 18

    Answer: 8

Tuesday 5 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 15 + 33

    Answer: 15 + 33 = 48
  2. 2. Algebra

    Find the next term: 27, 30, 33, 36, ...

    Answer: 39
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Calculate 25% of 30

    Answer: 7.5
  5. 5. Statistics

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

    Answer: 1⁄2

Wednesday 6 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄5 + 1⁄5

    Answer: 4⁄5
  2. 2. Algebra

    Simplify: 5x + 5x

    Answer: 10x
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 8.5cm. Find the angle

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

    Simplify the ratio 10:40

    Answer: 1:4
  5. 5. Statistics

    What is the probability of rolling a 5 on a fair die?

    Answer: 1⁄6

Thursday 7 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    List the first 5 multiples of 9

    Answer: 9, 18, 27, 36, 45
  2. 2. Algebra

    Solve: x + 12 = 24

    Answer: x = 12
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 20cm. Find the angle

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

    Simplify the ratio 18:9

    Answer: 2:1
  5. 5. Statistics

    Find the range of: 9, 13, 31, 31, 14

    Answer: 22

Friday 8 April 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 37 + 42

    Answer: 37 + 42 = 79
  2. 2. Algebra

    Find the next term: 30, 39, 48, 57, ...

    Answer: 66
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 15.6cm. Find the angle

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

    Simplify the ratio 6:15

    Answer: 2:5
  5. 5. Statistics

    Find the median of: 5, 5, 18, 13, 6

    Answer: 6