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Bedrock Jan 1 - 7 25 questions
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Monday 17 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -4 + 3

    Answer: -1
  2. 2. Algebra

    Factorise: 16x + 6

    Answer: 2(8x + 3)
  3. 3. Geometry

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

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

    Calculate 25% of 106

    Answer: 26.5
  5. 5. Statistics

    Find the range of: 33, 18, 7, 32, 12

    Answer: 26

Tuesday 18 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 28 + 17

    Answer: 28 + 17 = 45
  2. 2. Algebra

    Find the next term: 28, 33, 38, 43, ...

    Answer: 48
  3. 3. Geometry

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

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

    Simplify the ratio 12:8

    Answer: 3:2
  5. 5. Statistics

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

    Answer: 16

Wednesday 19 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 50 + 65

    Answer: 50 + 65 = 115
  2. 2. Algebra

    Solve: x + 9 = 25

    Answer: x = 16
  3. 3. Geometry

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

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

    In ratio 6:5, the difference between shares is 26. What are the shares?

    Answer: 156 and 130
  5. 5. Statistics

    Find the range of: 26, 17, 16, 17, 12

    Answer: 14

Thursday 20 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 37 + 31

    Answer: 37 + 31 = 68
  2. 2. Algebra

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

    Answer: 59
  3. 3. Geometry

    Find the area of a circle with radius 5cm

    Answer: 78.54cm²
  4. 4. Ratio

    Calculate 25% of 53

    Answer: 13.25
  5. 5. Statistics

    Find the mean of: 11, 10, 10

    Answer: 10.333333333333

Friday 21 January 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 25 + 29

    Answer: 25 + 29 = 54
  2. 2. Algebra

    Find the next term: 24, 27, 30, 33, ...

    Answer: 36
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 28cm. Find the angle

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

    Simplify the ratio 16:32

    Answer: 1:2
  5. 5. Statistics

    Find the range of: 34, 7, 11, 27, 16

    Answer: 27