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Bedrock Jan 1 - 7 25 questions
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Monday 30 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4.2 + 5

    Answer: 4.2 + 5 = 9.2
  2. 2. Algebra

    Solve: x + 13 = 31

    Answer: x = 18
  3. 3. Geometry

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

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

    Simplify the ratio 6:14

    Answer: 3:7
  5. 5. Statistics

    Find the mean of: 18, 2, 12, 3

    Answer: 8.75

Tuesday 31 August 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 37 + 81

    Answer: 37 + 81 = 118
  2. 2. Algebra

    Simplify: 9x + 5x

    Answer: 14x
  3. 3. Geometry

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

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

    Calculate 25% of 103

    Answer: 25.75
  5. 5. Statistics

    Find the mean of: 15, 19, 19

    Answer: 17.666666666667

Wednesday 1 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 94 + 93

    Answer: 94 + 93 = 187
  2. 2. Algebra

    Simplify: 8x + 5x

    Answer: 13x
  3. 3. Geometry

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

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

    Simplify the ratio 6:10

    Answer: 3:5
  5. 5. Statistics

    Find the mean of: 14, 6, 6, 8, 13

    Answer: 9.4

Thursday 2 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 45 + 19

    Answer: 45 + 19 = 64
  2. 2. Algebra

    Find the next term: 15, 25, 35, 45, ...

    Answer: 55
  3. 3. Geometry

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

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

    Calculate 25% of 32

    Answer: 8
  5. 5. Statistics

    Find the range of: 9, 7, 17, 5, 15

    Answer: 12

Friday 3 September 2021

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Multiply: 57 × 9

    Answer: 57 × 9 = 513
  2. 2. Algebra

    Find the next term: 14, 21, 28, 35, ...

    Answer: 42
  3. 3. Geometry

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

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

    Simplify the ratio 24:16

    Answer: 3:2
  5. 5. Statistics

    Find the mean of: 14, 13, 9, 5

    Answer: 10.25