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Cornerstone Jan 1 - 7 25 questions
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Monday 30 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 254, 138, and 138

    Answer: 530
  2. 2. Algebra

    What is the next term? 6, 24, 96, 384, ...

    Answer: 1536
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Find 24% of 500

    Answer: 120
  5. 5. Statistics

    Find the range of: 29, 8, 25, 8, 6

    Answer: 23

Tuesday 31 May 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 58 + 74

    Answer: 58 + 74 = 132
  2. 2. Algebra

    Solve: x + 6 = 22

    Answer: x = 16
  3. 3. Geometry

    Opposite = 9cm, adjacent = 13cm. Calculate the angle

    Answer: 34.7°
  4. 4. Ratio

    Simplify: 6:10:8

    Answer: 3:5:4
  5. 5. Statistics

    A bag has 3 red and 8 blue balls. What is the probability of picking a red ball?

    Answer: 311

Wednesday 1 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 33 + 59

    Answer: 33 + 59 = 92
  2. 2. Algebra

    Factorise: 7x² + 4x

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

    Opposite = 9cm, hypotenuse = 10.4cm. Find the angle

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

    Simplify: 4:8:8

    Answer: 1:2:2
  5. 5. Statistics

    Find the range of: 19, 16, 22, 24, 29

    Answer: 13

Thursday 2 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 38 + 13

    Answer: 1724
  2. 2. Algebra

    For y = x³ + 12, calculate y when x = 4

    Answer: y = 76
  3. 3. Geometry

    Opposite = 14cm, adjacent = 17cm. Calculate the angle

    Answer: 39.5°
  4. 4. Ratio

    Simplify: 6:12:18

    Answer: 1:2:3
  5. 5. Statistics

    What is the probability of rolling a 6 on a fair die?

    Answer: 16

Friday 3 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 40 + 57

    Answer: 40 + 57 = 97
  2. 2. Algebra

    Expand: 5(x + 5)

    Answer: 5x + 25
  3. 3. Geometry

    Find the area of a circle with radius 7cm

    Answer: 153.94cm²
  4. 4. Ratio

    Find 21% of 463

    Answer: 97.23
  5. 5. Statistics

    Calculate the mean of: 41, 41, 43, 43, 29, 25, 42, 30

    Answer: 36.8