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Capstone Apr 27 - May 3 25 questions
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Monday 27 April 2026

Keystones #117 · Five questions · Open this day only

  1. 1. Number

    Divide: 3 × 106 ÷ 5.7 × 104

    Answer: 5.26 × 101
  2. 2. Algebra

    Solve: 6x² + 11x + 3 = 0

    Answer: x = -1⁄2 or x = -1
  3. 3. Geometry

    Adjacent = 30cm, hypotenuse = 45cm. Find the angle

    Answer: 48.2°
  4. 4. Ratio

    In ratio 3:2:2, what fraction is the second part?

    Answer: 2⁄7
  5. 5. Statistics

    Find the median of: 36, 40, 41, 63, 66, 71, 68, 39, 34

    Answer: 41

Tuesday 28 April 2026

Keystones #118 · Five questions · Open this day only

  1. 1. Number

    Divide: 4 × 108 ÷ 5.9 × 106

    Answer: 6.78 × 101
  2. 2. Algebra

    Solve: 3x² + 12x + 9 = 0

    Answer: x = -1 or x = -3
  3. 3. Geometry

    Adjacent = 14cm, hypotenuse = 30cm. Find the angle

    Answer: 62.2°
  4. 4. Ratio

    £210.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £60.00
  5. 5. Statistics

    Find the median of: 71, 29, 77, 50, 46, 40, 24, 25, 43, 21

    Answer: 43

Wednesday 29 April 2026

Keystones #119 · Five questions · Open this day only

  1. 1. Number

    Divide: 1.1 × 108 ÷ 8.4 × 104

    Answer: 1.31 × 103
  2. 2. Algebra

    Solve: 2x² + 6x + 4 = 0

    Answer: x = -1 or x = -2
  3. 3. Geometry

    Adjacent = 24cm, hypotenuse = 38cm. Find the angle

    Answer: 50.8°
  4. 4. Ratio

    £225.00 is shared between A and B in the ratio 5:4. How much does A receive?

    Answer: £125.00
  5. 5. Statistics

    Find the median of: 48, 80, 79, 44, 31, 28, 61, 30, 75

    Answer: 48

Thursday 30 April 2026

Keystones #120 · Five questions · Open this day only

  1. 1. Number

    Divide: 2.8 × 108 ÷ 2.3 × 104

    Answer: 1.22 × 104
  2. 2. Algebra

    Solve: 2x² + 10x + 8 = 0

    Answer: x = -4 or x = -1
  3. 3. Geometry

    Adjacent = 28cm, hypotenuse = 46cm. Find the angle

    Answer: 52.5°
  4. 4. Ratio

    Simplify the ratio 3m:300cm

    Answer: 1:100
  5. 5. Statistics

    Find the median of: 36, 68, 25, 41, 75, 68, 46, 47, 34, 22, 80

    Answer: 46

Friday 1 May 2026

Keystones #121 · Five questions · Open this day only

  1. 1. Number

    Divide: 1.9 × 107 ÷ 7.5 × 106

    Answer: 2.53 × 100
  2. 2. Algebra

    Solve: 2x² + 14x + 24 = 0

    Answer: x = -4 or x = -3
  3. 3. Geometry

    Adjacent = 17cm, hypotenuse = 32cm. Find the angle

    Answer: 57.9°
  4. 4. Ratio

    £273.00 is shared between A and B in the ratio 2:5. How much does A receive?

    Answer: £78.00
  5. 5. Statistics

    Find the median of: 38, 69, 33, 29, 20, 48, 41, 26, 56, 71, 54

    Answer: 41