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Lintel Jan 1 - 7 25 questions
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Monday 8 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 233, 254, and 146

    Answer: 633
  2. 2. Algebra

    Solve: x5 = 3.8

    Answer: x = 19
  3. 3. Geometry

    A circle has area 615.8cm². Find its radius (dp)

    Answer: 14cm
  4. 4. Ratio

    Calculate 19.5% of 545

    Answer: 106.28
  5. 5. Statistics

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

    Answer: 411

Tuesday 9 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 24 + 34 + 35

    Answer: 3720
  2. 2. Algebra

    Factorise: 9x² + 8x

    Answer: x(9x + 8)
  3. 3. Geometry

    Calculate the distance between (6, 1) and (9, 5)

    Answer: 5
  4. 4. Ratio

    Calculate 48.8% of 880

    Answer: 429.44
  5. 5. Statistics

    Calculate the mean of: 32, 35, 34, 21, 14, 41, 19

    Answer: 28

Wednesday 10 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 996 + 784

    Answer: 1780
  2. 2. Algebra

    Solve: 2x = 8

    Answer: x = 4
  3. 3. Geometry

    A right triangle has hypotenuse 17cm and one side 8cm. Find its area

    Answer: 60cm²
  4. 4. Ratio

    Calculate 33.3% of 329

    Answer: 109.56
  5. 5. Statistics

    Calculate the mean of: 41, 13, 31, 29, 31, 30

    Answer: 29.2

Thursday 11 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Find the total of 245, 176, and 111

    Answer: 532
  2. 2. Algebra

    Solve: x6 = 1.5

    Answer: x = 9
  3. 3. Geometry

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

    Answer: 45°
  4. 4. Ratio

    Calculate 16.1% of 888

    Answer: 142.97
  5. 5. Statistics

    A spinner has 3 red, 5 blue and 2 green sections. Probability of landing on red?

    Answer: 310

Friday 12 January 2024

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 815

    Answer: 1814
  2. 2. Algebra

    Find the next term: 1, 4, 10, 19, ...

    Answer: 31
  3. 3. Geometry

    A circle has area 78.5cm². Find its radius (dp)

    Answer: 5cm
  4. 4. Ratio

    Simplify the ratio 6m:600cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 6 red, 3 blue and 2 green sections. Probability of landing on red?

    Answer: 611