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Bedrock Jan 1 - 7 25 questions
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Monday 20 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 52 + 78

    Answer: 52 + 78 = 130
  2. 2. Algebra

    Find the next term: 12, 19, 26, 33, ...

    Answer: 40
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Calculate 50% of 86

    Answer: 43
  5. 5. Statistics

    Find the mean of: 18, 15, 3, 13, 13

    Answer: 12.4

Tuesday 21 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 48 + 22

    Answer: 48 + 22 = 70
  2. 2. Algebra

    Simplify: 6x + 8x

    Answer: 14x
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 19.8cm. Find the angle

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

    Simplify the ratio 24:12

    Answer: 2:1
  5. 5. Statistics

    What is the probability of rolling a 2 on a fair die?

    Answer: 1⁄6

Wednesday 22 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 47 + 41

    Answer: 47 + 41 = 88
  2. 2. Algebra

    Simplify: 3x + 7x

    Answer: 10x
  3. 3. Geometry

    Opposite = 12cm, hypotenuse = 13.9cm. Find the angle

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

    Simplify the ratio 25:20

    Answer: 5:4
  5. 5. Statistics

    Find the mean of: 13, 12, 20, 15

    Answer: 15

Thursday 23 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 1⁄9 + 6⁄9

    Answer: 7⁄9
  2. 2. Algebra

    Simplify: 6x + 4x

    Answer: 10x
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 25:20

    Answer: 5:4
  5. 5. Statistics

    Find the mean of: 8, 19, 19, 2, 15

    Answer: 12.6

Friday 24 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 34 + 29

    Answer: 34 + 29 = 63
  2. 2. Algebra

    Find the next term: 10, 16, 22, 28, ...

    Answer: 34
  3. 3. Geometry

    Opposite = 5cm, hypotenuse = 7.cm. Find the angle

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

    Simplify the ratio 12:16

    Answer: 3:4
  5. 5. Statistics

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

    Answer: 1⁄2