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Capstone Jan 29 - Feb 4 25 questions
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Monday 26 January 2026

Keystones #26 · Five questions · Open this day only

  1. 1. Number

    Calculate: 994 + 633

    Answer: 1627
  2. 2. Algebra

    Solve: x⁄4 = 6

    Answer: x = 24
  3. 3. Geometry

    Adjacent = 20cm, hypotenuse = 28cm. Find the angle

    Answer: 44.4°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 5⁄13

Tuesday 27 January 2026

Keystones #27 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 120. What are the numbers?

    Answer: 39, 40, and 41
  2. 2. Algebra

    Solve: x⁄6 = 2.1666666666667

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 22cm, hypotenuse = 31cm. Find the angle

    Answer: 44.8°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 3⁄11

Wednesday 28 January 2026

Keystones #28 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄3 + 4⁄5 + 1⁄4

    Answer: 103⁄60
  2. 2. Algebra

    Factorise fully: 9x² + 9x

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

    Adjacent = 14cm, hypotenuse = 25cm. Find the angle

    Answer: 55.9°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 3⁄10

Thursday 29 January 2026

Keystones #29 · Five questions · Open this day only

  1. 1. Number

    Find the missing number: 4.73 + □ = 12.61

    Answer: □ = 7.88
  2. 2. Algebra

    Solve: x⁄7 = 4.1428571428571

    Answer: x = 29
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 33cm. Find the angle

    Answer: 63°
  4. 4. Ratio

    Calculate 48.5% of 658

    Answer: 319.13
  5. 5. Statistics

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

    Answer: 2⁄11

Friday 30 January 2026

Keystones #30 · Five questions · Open this day only

  1. 1. Number

    Calculate: 3⁄6 + 3⁄4 + 1⁄2

    Answer: 7⁄4
  2. 2. Algebra

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

    Answer: 21
  3. 3. Geometry

    Find the distance between (1, -6) and (11, 8)

    Answer: 17.2
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄4