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Lintel Jan 29 - Feb 4 25 questions
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Monday 2 February 2026

Keystones #33 · Five questions · Open this day only

  1. 1. Number

    Find the total of 169, 212, and 127

    Answer: 508
  2. 2. Algebra

    Solve: 3x = 42

    Answer: x = 14
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 44cm. Find the angle

    Answer: 48.8°
  4. 4. Ratio

    Find 66% of 417

    Answer: 275.22
  5. 5. Statistics

    Calculate the mean of: 31, 29, 47, 48, 6, 38

    Answer: 33.2

Tuesday 3 February 2026

Keystones #34 · Five questions · Open this day only

  1. 1. Number

    Calculate: 991 + 683

    Answer: 1674
  2. 2. Algebra

    Solve: x⁄4 = 8.5

    Answer: x = 34
  3. 3. Geometry

    Calculate the distance between (3, 1) and (6, 5)

    Answer: 5
  4. 4. Ratio

    Simplify: 6:4:4

    Answer: 3:2:2
  5. 5. Statistics

    A spinner has 6 red, 4 blue and 6 green sections. Probability of landing on red?

    Answer: 3⁄8

Wednesday 4 February 2026

Keystones #35 · Five questions · Open this day only

  1. 1. Number

    Calculate: 993 + 720

    Answer: 1713
  2. 2. Algebra

    Solve: x⁄6 = 1

    Answer: x = 6
  3. 3. Geometry

    Opposite = 16cm, adjacent = 9cm. Calculate the angle

    Answer: 60.6°
  4. 4. Ratio

    Calculate 47.1% of 272

    Answer: 128.11
  5. 5. Statistics

    Calculate the mean of: 37, 13, 23, 26, 27, 6

    Answer: 22

Thursday 5 February 2026

Keystones #36 · Five questions · Open this day only

  1. 1. Number

    Calculate: 269 + 694

    Answer: 269 + 694 = 963
  2. 2. Algebra

    Solve: 8x - 11 = 6x + -7

    Answer: x = 2
  3. 3. Geometry

    Adjacent = 26cm, hypotenuse = 41cm. Find the angle

    Answer: 50.6°
  4. 4. Ratio

    Calculate 28.3% of 615

    Answer: 174.05
  5. 5. Statistics

    A spinner has 3 red, 6 blue and 4 green sections. Probability of landing on red?

    Answer: 3⁄13

Friday 6 February 2026

Keystones #37 · Five questions · Open this day only

  1. 1. Number

    Calculate: 994 + 879

    Answer: 1873
  2. 2. Algebra

    Expand: 4(5x + 7)

    Answer: 20x + 28
  3. 3. Geometry

    Opposite = 13cm, adjacent = 9cm. Calculate the angle

    Answer: 55.3°
  4. 4. Ratio

    Calculate 49.9% of 978

    Answer: 488.02
  5. 5. Statistics

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

    Answer: 1⁄2