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Bedrock Jan 1 - 7 25 questions
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Monday 13 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Multiply: 81 × 7

    Answer: 81 × 7 = 567
  2. 2. Algebra

    Factorise: 30x + 12

    Answer: 6(5x + 2)
  3. 3. Geometry

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

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

    Simplify the ratio 15:6

    Answer: 5:2
  5. 5. Statistics

    Find the mean of: 7, 6, 14, 15, 19

    Answer: 12.2

Tuesday 14 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 30 + 32

    Answer: 30 + 32 = 62
  2. 2. Algebra

    Solve: x + 8 = 14

    Answer: x = 6
  3. 3. Geometry

    Opposite = 14cm, hypotenuse = 16.2cm. Find the angle

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

    Calculate 50% of 97

    Answer: 48.5
  5. 5. Statistics

    Find the range of: 6, 8, 33, 32, 9

    Answer: 27

Wednesday 15 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 52 × 54

    Answer: 56
  2. 2. Algebra

    Find the next term: 6, 9, 12, 15, ...

    Answer: 18
  3. 3. Geometry

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

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

    Simplify the ratio 35:25

    Answer: 7:5
  5. 5. Statistics

    Find the mean of: 6, 10, 2

    Answer: 6

Thursday 16 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 70 ÷ 7

    Answer: 70 ÷ 7 = 10
  2. 2. Algebra

    Solve: x + 10 = 24

    Answer: x = 14
  3. 3. Geometry

    Opposite = 9cm, hypotenuse = 12.7cm. Find the angle

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

    Simplify the ratio 8:28

    Answer: 2:7
  5. 5. Statistics

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

    Answer: 1⁄6

Friday 17 February 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 28 + 43

    Answer: 28 + 43 = 71
  2. 2. Algebra

    Find the next term: 5, 11, 17, 23, ...

    Answer: 29
  3. 3. Geometry

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

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

    Simplify the ratio 24:21

    Answer: 8:7
  5. 5. Statistics

    Find the mean of: 5, 7, 15, 11

    Answer: 9.5