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Capstone Apr 23 - 29 25 questions
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Monday 27 April 2026

Keystones #117 · Five questions · Open this day only

  1. 1. Number

    Calculate: 990 + 506

    Answer: 1496
  2. 2. Algebra

    Solve: x⁄2 = 8.5

    Answer: x = 17
  3. 3. Geometry

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

    Answer: 51.9°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄3

Tuesday 28 April 2026

Keystones #118 · Five questions · Open this day only

  1. 1. Number

    Simplify: y3 × y5 × y3

    Answer: y11
  2. 2. Algebra

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

    Answer: 31
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 41cm. Find the angle

    Answer: 43°
  4. 4. Ratio

    Calculate 17.8% of 757

    Answer: 134.75
  5. 5. Statistics

    A spinner has 5 red, 6 blue and 3 green sections. Probability of landing on red?

    Answer: 5⁄14

Wednesday 29 April 2026

Keystones #119 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 96. What are the numbers?

    Answer: 31, 32, and 33
  2. 2. Algebra

    Solve: x⁄2 = 6.5

    Answer: x = 13
  3. 3. Geometry

    Adjacent = 18cm, hypotenuse = 31cm. Find the angle

    Answer: 54.5°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    The mean of 6 numbers is 38. If 5 of them are 25, 26, 48, 29, 32, what is the missing number?

    Answer: 68

Thursday 30 April 2026

Keystones #120 · Five questions · Open this day only

  1. 1. Number

    The sum of three consecutive numbers is 144. What are the numbers?

    Answer: 47, 48, and 49
  2. 2. Algebra

    Factorise fully: 16x² + 24x

    Answer: 4x(4x + 6)
  3. 3. Geometry

    Adjacent = 15cm, hypotenuse = 29cm. Find the angle

    Answer: 58.9°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

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

    Answer: 1⁄2

Friday 1 May 2026

Keystones #121 · Five questions · Open this day only

  1. 1. Number

    Calculate: 2⁄6 + 2⁄6 + 4⁄5

    Answer: 22⁄15
  2. 2. Algebra

    Solve: x⁄5 = 5.6

    Answer: x = 28
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 30cm. Find the angle

    Answer: 36.9°
  4. 4. Ratio

    Calculate 40.6% of 642

    Answer: 260.65
  5. 5. Statistics

    The mean of 6 numbers is 28. If 5 of them are 35, 28, 28, 41, 18, what is the missing number?

    Answer: 18