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Bedrock Jan 1 - 7 25 questions
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Monday 6 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 35 + 90

    Answer: 35 + 90 = 125
  2. 2. Algebra

    Simplify: 2x + 3x

    Answer: 5x
  3. 3. Geometry

    Find the area of a right triangle with base 8cm and height 9cm

    Answer: 36cm²
  4. 4. Ratio

    Simplify the ratio 6:9

    Answer: 2:3
  5. 5. Statistics

    What is the probability of rolling a 4 on a fair die?

    Answer: 1⁄6

Tuesday 7 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄8 + 3⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Simplify: 3x + 6x

    Answer: 9x
  3. 3. Geometry

    Opposite = 11cm, hypotenuse = 12.7cm. Find the angle

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

    Simplify the ratio 16:8

    Answer: 2:1
  5. 5. Statistics

    Find the mean of: 16, 18, 12, 19, 11

    Answer: 15.2

Wednesday 8 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Simplify: 32 × 33

    Answer: 35
  2. 2. Algebra

    Factorise: 21x + 12

    Answer: 3(7x + 4)
  3. 3. Geometry

    Find the area of a circle with radius 6cm

    Answer: 113.cm²
  4. 4. Ratio

    Simplify the ratio 25:15

    Answer: 5:3
  5. 5. Statistics

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

    Answer: 1⁄6

Thursday 9 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 48 + 55

    Answer: 48 + 55 = 103
  2. 2. Algebra

    Solve: x + 14 = 18

    Answer: x = 4
  3. 3. Geometry

    Find the area of a right triangle with base 5cm and height 8cm

    Answer: 20cm²
  4. 4. Ratio

    Calculate 50% of 187

    Answer: 93.5
  5. 5. Statistics

    Find the median of: 6, 14, 13, 9, 19

    Answer: 13

Friday 10 March 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 4⁄11 + 6⁄11

    Answer: 10⁄11
  2. 2. Algebra

    Find the next term: 29, 35, 41, 47, ...

    Answer: 53
  3. 3. Geometry

    Opposite = 15cm, hypotenuse = 17.3cm. Find the angle

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

    Simplify the ratio 20:25

    Answer: 4:5
  5. 5. Statistics

    Find the mean of: 8, 18, 8

    Answer: 11.333333333333