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Lintel Jan 1 - 7 25 questions
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Monday 18 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: -7 + (1) + (-7)

    Answer: -13
  2. 2. Algebra

    Solve: x8 = 3

    Answer: x = 24
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 35cm. Find the angle

    Answer: 55.2°
  4. 4. Ratio

    Calculate 39% of 668

    Answer: 260.52
  5. 5. Statistics

    Find the range of: 30, 47, 36, -19, 4

    Answer: 66

Tuesday 19 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 994 + 755

    Answer: 1749
  2. 2. Algebra

    Solve: 9x = 135

    Answer: x = 15
  3. 3. Geometry

    Opposite = 12cm, adjacent = 10cm. Calculate the angle

    Answer: 50.2°
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A bag has 5 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 58

Wednesday 20 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 58 + 57

    Answer: 7556
  2. 2. Algebra

    Solve: 6x = 72

    Answer: x = 12
  3. 3. Geometry

    Find c if a = 11cm and b = 10cm in a right triangle

    Answer: 14.9cm
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: 22, -2, 37, 19, -14

    Answer: 51

Thursday 21 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 990 + 590

    Answer: 1580
  2. 2. Algebra

    Solve: x8 = 4.375

    Answer: x = 35
  3. 3. Geometry

    Opposite = 10cm, adjacent = 18cm. Calculate the angle

    Answer: 29.1°
  4. 4. Ratio

    Calculate 41.8% of 694

    Answer: 290.09
  5. 5. Statistics

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

    Answer: 12

Friday 22 December 2023

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 333 + 614

    Answer: 333 + 614 = 947
  2. 2. Algebra

    Solve: x4 = 6.25

    Answer: x = 25
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 35cm. Find the angle

    Answer: 48.9°
  4. 4. Ratio

    Calculate 49.2% of 266

    Answer: 130.87
  5. 5. Statistics

    A bag has 5 red and 4 blue balls. What is the probability of picking a red ball?

    Answer: 59