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Bedrock Jan 1 - 7 25 questions
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Monday 13 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 49 + 13

    Answer: 49 + 13 = 62
  2. 2. Algebra

    Find the next term: 20, 27, 34, 41, ...

    Answer: 48
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 24cm. Find the angle

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

    Simplify the ratio 35:30

    Answer: 7:6
  5. 5. Statistics

    Find the mean of: 17, 5, 10, 12, 7

    Answer: 10.2

Tuesday 14 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 13 + 33

    Answer: 13 + 33 = 46
  2. 2. Algebra

    Find the next term: 16, 18, 20, 22, ...

    Answer: 24
  3. 3. Geometry

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

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

    Simplify the ratio 6:15

    Answer: 2:5
  5. 5. Statistics

    Find the mean of: 16, 3, 3, 4, 7

    Answer: 6.6

Wednesday 15 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 85 + 90

    Answer: 85 + 90 = 175
  2. 2. Algebra

    Solve: x + 14 = 26

    Answer: x = 12
  3. 3. Geometry

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

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

    Calculate 10% of 179

    Answer: 17.9
  5. 5. Statistics

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

    Answer: 1⁄6

Thursday 16 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 12 + 16

    Answer: 12 + 16 = 28
  2. 2. Algebra

    Factorise: 28x + 8

    Answer: 4(7x + 2)
  3. 3. Geometry

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

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

    Simplify the ratio 15:24

    Answer: 5:8
  5. 5. Statistics

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

    Answer: 1⁄2

Friday 17 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 54 + 65

    Answer: 54 + 65 = 119
  2. 2. Algebra

    Find the next term: 23, 33, 43, 53, ...

    Answer: 63
  3. 3. Geometry

    Find the area of a circle with radius 3cm

    Answer: 28.27cm²
  4. 4. Ratio

    Simplify the ratio 24:18

    Answer: 4:3
  5. 5. Statistics

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

    Answer: 1⁄6