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Bedrock Jan 1 - 7 25 questions
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Monday 13 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Round 85 to the nearest 10

    Answer: 90
  2. 2. Algebra

    Simplify: 8x + 7x

    Answer: 15x
  3. 3. Geometry

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

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

    Simplify the ratio 25:15

    Answer: 5:3
  5. 5. Statistics

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

    Answer: 1⁄2

Tuesday 14 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 32 + 25

    Answer: 32 + 25 = 57
  2. 2. Algebra

    Find the next term: 26, 35, 44, 53, ...

    Answer: 62
  3. 3. Geometry

    Find the area of a circle with radius 4cm

    Answer: 50.27cm²
  4. 4. Ratio

    Simplify the ratio 4:10

    Answer: 2:5
  5. 5. Statistics

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

    Answer: 1⁄2

Wednesday 15 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 39 + 45

    Answer: 39 + 45 = 84
  2. 2. Algebra

    Solve: x + 7 = 21

    Answer: x = 14
  3. 3. Geometry

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

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

    Simplify the ratio 14:16

    Answer: 7:8
  5. 5. Statistics

    Find the mean of: 20, 17, 9, 7, 13

    Answer: 13.2

Thursday 16 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 75 × 73

    Answer: 78
  2. 2. Algebra

    Find the next term: 14, 23, 32, 41, ...

    Answer: 50
  3. 3. Geometry

    Opposite = 6cm, hypotenuse = 6.9cm. Find the angle

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

    In ratio 3:2, the difference between shares is 58. What are the shares?

    Answer: 174 and 116
  5. 5. Statistics

    Find the mean of: 11, 3, 17

    Answer: 10.333333333333

Friday 17 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 0 + 1

    Answer: 1
  2. 2. Algebra

    Find the next term: 11, 20, 29, 38, ...

    Answer: 47
  3. 3. Geometry

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

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

    Simplify the ratio 16:32

    Answer: 1:2
  5. 5. Statistics

    Find the mean of: 3, 4, 2

    Answer: 3