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Lintel Jan 1 - 7 25 questions
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Monday 19 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 70 + ? = 107

    Answer: 37
  2. 2. Algebra

    Solve: x6 = 6.1666666666667

    Answer: x = 37
  3. 3. Geometry

    Opposite = 13cm, adjacent = 14cm. Calculate the angle

    Answer: 42.9°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: 33, -1, -12, 37, 29

    Answer: 49

Tuesday 20 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 14 + 25 + 15

    Answer: 1720
  2. 2. Algebra

    Solve: x5 = 4.6

    Answer: x = 23
  3. 3. Geometry

    Find perimeter: adjacent = 20cm, angle = 42°

    Answer: 64.9cm
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 49

Wednesday 21 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 526 + 580

    Answer: 526 + 580 = 1106
  2. 2. Algebra

    Factorise: 5x² + 5x

    Answer: 5x(x + 1)
  3. 3. Geometry

    Calculate the area of a circle with diameter 13cm

    Answer: 132.73cm²
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: 18, 38, -5, -12, 38

    Answer: 50

Thursday 22 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 141. What are the numbers?

    Answer: 46, 47, and 48
  2. 2. Algebra

    Factorise: 2x² + 8x

    Answer: 2x(x + 4)
  3. 3. Geometry

    Find the distance between (0, -4) and (11, 3)

    Answer: 13.04
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Find the range of: 47, 17, -19, 8, -3

    Answer: 66

Friday 23 August 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 78 + ? = 166

    Answer: 88
  2. 2. Algebra

    Factorise fully: 12x² + 12x

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

    Calculate the hypotenuse when a = 10cm and b = 9cm

    Answer: 13.45cm
  4. 4. Ratio

    Calculate 35.4% of 540

    Answer: 191.16
  5. 5. Statistics

    A bag has 6 red and 3 blue balls. What is the probability of picking a red ball?

    Answer: 23