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Capstone Feb 19 - 25 25 questions
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Monday 23 February 2026

Keystones #54 · Five questions · Open this day only

  1. 1. Number

    Calculate: 999 + 788

    Answer: 1787
  2. 2. Algebra

    Simplify: 12x - 7x + 8y - 7y

    Answer: 5x + y
  3. 3. Geometry

    Adjacent = 19cm, hypotenuse = 29cm. Find the angle

    Answer: 49.1°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 3 red, 5 blue and 4 green sections. Probability of landing on red?

    Answer: 1⁄4

Tuesday 24 February 2026

Keystones #55 · Five questions · Open this day only

  1. 1. Number

    Calculate: 991 + 860

    Answer: 1851
  2. 2. Algebra

    Solve: x⁄8 = 3.5

    Answer: x = 28
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 47cm. Find the angle

    Answer: 51.9°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 4⁄13

Wednesday 25 February 2026

Keystones #56 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 102. What are the numbers?

    Answer: 33, 34, and 35
  2. 2. Algebra

    Factorise fully: 20x² + 35x

    Answer: 5x(4x + 7)
  3. 3. Geometry

    Find c if a = 17cm and b = 13cm in a right triangle

    Answer: 21.4cm
  4. 4. Ratio

    Calculate 25.4% of 880

    Answer: 223.52
  5. 5. Statistics

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

    Answer: 3⁄10

Thursday 26 February 2026

Keystones #57 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 90. What are the numbers?

    Answer: 29, 30, and 31
  2. 2. Algebra

    Expand: 3(5x - 4)

    Answer: 15x - 12
  3. 3. Geometry

    Adjacent = 23cm, hypotenuse = 36cm. Find the angle

    Answer: 50.3°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    A spinner has 4 red, 5 blue and 3 green sections. Probability of landing on red?

    Answer: 1⁄3

Friday 27 February 2026

Keystones #58 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 117. What are the numbers?

    Answer: 38, 39, and 40
  2. 2. Algebra

    Find the next term: 1, 3, 7, 13, ...

    Answer: 21
  3. 3. Geometry

    Adjacent = 29cm, hypotenuse = 36cm. Find the angle

    Answer: 36.3°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄4