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Bedrock Jan 1 - 7 25 questions
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Monday 5 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 75 + 71

    Answer: 75 + 71 = 146
  2. 2. Algebra

    Find the next term: 19, 23, 27, 31, ...

    Answer: 35
  3. 3. Geometry

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

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

    Simplify the ratio 40:20

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 14, 16, 3

    Answer: 11

Tuesday 6 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 44 × 42

    Answer: 46
  2. 2. Algebra

    Simplify: 5x + 7x

    Answer: 12x
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 30cm. Find the angle

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

    Calculate 50% of 74

    Answer: 37
  5. 5. Statistics

    Find the range of: 10, 16, 21, 26, 39

    Answer: 29

Wednesday 7 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 87 + 85

    Answer: 87 + 85 = 172
  2. 2. Algebra

    Find the next term: 6, 16, 26, 36, ...

    Answer: 46
  3. 3. Geometry

    Find the area of a circle with radius 9cm

    Answer: 254.47cm²
  4. 4. Ratio

    Simplify the ratio 15:30

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 19, 13, 12, 14

    Answer: 14.5

Thursday 8 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8 + 4

    Answer: 12
  2. 2. Algebra

    Find the next term: 29, 36, 43, 50, ...

    Answer: 57
  3. 3. Geometry

    Opposite = 10cm, hypotenuse = 14.cm. Find the angle

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

    Simplify the ratio 24:9

    Answer: 8:3
  5. 5. Statistics

    Find the range of: 14, 27, 34, 23, 33

    Answer: 20

Friday 9 July 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 13 + 18

    Answer: 13 + 18 = 31
  2. 2. Algebra

    Solve: x + 9 = 26

    Answer: x = 17
  3. 3. Geometry

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

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

    Simplify the ratio 18:24

    Answer: 3:4
  5. 5. Statistics

    Find the mean of: 12, 11, 19, 14, 8

    Answer: 12.8