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Lintel Jan 1 - 7 25 questions
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Monday 21 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 93. What are the numbers?

    Answer: 30, 31, and 32
  2. 2. Algebra

    Solve: x6 = 3.6666666666667

    Answer: x = 22
  3. 3. Geometry

    Find the perimeter: hypotenuse = 21cm, one side = 10cm

    Answer: 49.5cm
  4. 4. Ratio

    Calculate 42.6% of 341

    Answer: 145.27
  5. 5. Statistics

    Calculate the mean of: 40, 30, 43, 7, 6, 20, 45

    Answer: 27.3

Tuesday 22 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    What is the missing number: 61 + ? = 165

    Answer: 104
  2. 2. Algebra

    Solve: x7 = 3.2857142857143

    Answer: x = 23
  3. 3. Geometry

    Opposite = 19cm, adjacent = 11cm. Calculate the angle

    Answer: 59.9°
  4. 4. Ratio

    Simplify the ratio 4m:400cm

    Answer: 1:100
  5. 5. Statistics

    Calculate the mean of: 35, 7, 28, 8, 50, 37

    Answer: 27.5

Wednesday 23 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the missing number: 4.06 + □ = 19.78

    Answer: □ = 15.72
  2. 2. Algebra

    Solve: 8x = 32

    Answer: x = 4
  3. 3. Geometry

    Adjacent = 16cm, hypotenuse = 35cm. Find the angle

    Answer: 62.8°
  4. 4. Ratio

    Simplify the ratio 5m:500cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 2 blue and 5 green sections. Probability of landing on red?

    Answer: 411

Thursday 24 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 8.65 + 95.03 + 0.669

    Answer: 8.65 + 95.03 + 0.669 = 104.349
  2. 2. Algebra

    Solve: 6x = 36

    Answer: x = 6
  3. 3. Geometry

    Find the distance between (-3, 0) and (8, 4)

    Answer: 11.7
  4. 4. Ratio

    Simplify: 10:12:12

    Answer: 5:6:6
  5. 5. Statistics

    Calculate the mean of: 5, 30, 31, 25, 32, 44, 13, 36

    Answer: 27

Friday 25 October 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 23 + 58

    Answer: 3124
  2. 2. Algebra

    Factorise fully: 25x² + 20x

    Answer: 5x(5x + 4)
  3. 3. Geometry

    Opposite = 15cm, adjacent = 11cm. Calculate the angle

    Answer: 53.7°
  4. 4. Ratio

    Simplify: 8:10:8

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

    A spinner has 4 red, 5 blue and 2 green sections. Probability of landing on red?

    Answer: 411