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Bedrock Jan 1 - 7 25 questions
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Monday 19 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8 + 1

    Answer: 9
  2. 2. Algebra

    Factorise: 10x + 15

    Answer: 5(2x + 3)
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 18cm. Find the angle

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

    Simplify the ratio 12:28

    Answer: 3:7
  5. 5. Statistics

    What is the probability of rolling a 4 on a fair die?

    Answer: 16

Tuesday 20 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 39 + 45

    Answer: 39 + 45 = 84
  2. 2. Algebra

    Solve: x + 3 = 11

    Answer: x = 8
  3. 3. Geometry

    Opposite = 7cm, hypotenuse = 14cm. Find the angle

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

    Simplify the ratio 9:6

    Answer: 3:2
  5. 5. Statistics

    Find the median of: 7, 6, 11, 12, 13

    Answer: 11

Wednesday 21 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 37 + 17

    Answer: 37 + 17 = 54
  2. 2. Algebra

    Factorise: 14x + 10

    Answer: 2(7x + 5)
  3. 3. Geometry

    Opposite = 8cm, hypotenuse = 9.2cm. Find the angle

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

    Simplify the ratio 16:32

    Answer: 1:2
  5. 5. Statistics

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

    Answer: 12

Thursday 22 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 46 + 84

    Answer: 46 + 84 = 130
  2. 2. Algebra

    Find the next term: 24, 33, 42, 51, ...

    Answer: 60
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 20:15

    Answer: 4:3
  5. 5. Statistics

    Find the mean of: 19, 6, 10

    Answer: 11.666666666667

Friday 23 December 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 15 + 20

    Answer: 15 + 20 = 35
  2. 2. Algebra

    Simplify: 2x + 9x

    Answer: 11x
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 22cm. Find the angle

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

    Calculate 25% of 181

    Answer: 45.25
  5. 5. Statistics

    Find the median of: 7, 16, 14, 20, 13

    Answer: 14