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Lintel Jan 1 - 7 25 questions
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Monday 27 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 102. What are the numbers?

    Answer: 33, 34, and 35
  2. 2. Algebra

    Factorise fully: 14x² + 6x

    Answer: 2x(7x + 3)
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 37cm. Find the angle

    Answer: 53.5°
  4. 4. Ratio

    Calculate 32.9% of 446

    Answer: 146.73
  5. 5. Statistics

    Find the range of: -6, -23, 39, 2, -15

    Answer: 62

Tuesday 28 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 856

    Answer: 1855
  2. 2. Algebra

    Expand: 5(3x - 8)

    Answer: 15x - 40
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 29cm. Find the angle

    Answer: 49.1°
  4. 4. Ratio

    Calculate 22% of 590

    Answer: 129.8
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 3 green sections. Probability of landing on red?

    Answer: 49

Wednesday 29 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 18 + 45

    Answer: 3740
  2. 2. Algebra

    Expand: 3(2x + 2)

    Answer: 6x + 6
  3. 3. Geometry

    Opposite = 16cm, adjacent = 15cm. Calculate the angle

    Answer: 46.8°
  4. 4. Ratio

    Calculate 34.8% of 551

    Answer: 191.75
  5. 5. Statistics

    Calculate the mean of: 30, 28, 39, 16, 50, 14

    Answer: 29.5

Thursday 30 June 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3 + (5) + (12)

    Answer: 20
  2. 2. Algebra

    Solve: 5x = 60

    Answer: x = 12
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 27cm. Find the angle

    Answer: 45.3°
  4. 4. Ratio

    Calculate 14.8% of 935

    Answer: 138.38
  5. 5. Statistics

    Calculate the mean of: 21, 34, 19, 14, 48, 45

    Answer: 30.2

Friday 1 July 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 998 + 655

    Answer: 1653
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Calculate the area of a right triangle with perpendicular sides 14cm and 8cm

    Answer: 56cm²
  4. 4. Ratio

    Calculate 24.2% of 702

    Answer: 169.88
  5. 5. Statistics

    A bag has 6 red and 7 blue balls. What is the probability of picking a red ball?

    Answer: 613