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Lintel Jan 1 - 7 25 questions
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Monday 17 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    0.00049

    Answer: 4.9 × 10^-4
  2. 2. Algebra

    What is the next term? 4, 16, 64, 256, ...

    Answer: 1024
  3. 3. Geometry

    Opposite = 11cm, adjacent = 9cm. Calculate the angle

    Answer: 50.7°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 2 red, 5 blue and 6 green sections. Probability of landing on red?

    Answer: 213

Tuesday 18 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 991 + 536

    Answer: 1527
  2. 2. Algebra

    Solve: 4x = 52

    Answer: x = 13
  3. 3. Geometry

    Opposite = 10cm, adjacent = 19cm. Calculate the angle

    Answer: 27.8°
  4. 4. Ratio

    Calculate 11.4% of 306

    Answer: 34.88
  5. 5. Statistics

    Find the range of: -20, -30, 39, 45, 22

    Answer: 75

Wednesday 19 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 16 + 23

    Answer: 56
  2. 2. Algebra

    Find the next term: 1, 2, 4, 7, ...

    Answer: 11
  3. 3. Geometry

    A circle has area 113.cm². Find its radius (dp)

    Answer: 6cm
  4. 4. Ratio

    Calculate 19.7% of 696

    Answer: 137.11
  5. 5. Statistics

    A bag has 6 red and 5 blue balls. What is the probability of picking a red ball?

    Answer: 611

Thursday 20 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 135. What are the numbers?

    Answer: 44, 45, and 46
  2. 2. Algebra

    Solve: x7 = 4.1428571428571

    Answer: x = 29
  3. 3. Geometry

    Opposite = 13cm, adjacent = 15cm. Calculate the angle

    Answer: 40.9°
  4. 4. Ratio

    Calculate 38.6% of 375

    Answer: 144.75
  5. 5. Statistics

    Find the range of: 34, -23, 46, 48, 25

    Answer: 71

Friday 21 October 2022

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 275, 149, and 56

    Answer: 480
  2. 2. Algebra

    Solve: 8x - 10 = 2x + 44

    Answer: x = 9
  3. 3. Geometry

    Find the perimeter: hypotenuse = 24cm, one side = 15cm

    Answer: 57.7cm
  4. 4. Ratio

    Calculate 26.7% of 541

    Answer: 144.45
  5. 5. Statistics

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

    Answer: 12