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Capstone Jan 19 - 25 25 questions
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Monday 19 January 2026

Keystones #19 · Five questions · Open this day only

  1. 1. Number

    Divide: 1.9 × 107 ÷ 6.7 × 106

    Answer: 2.84 × 100
  2. 2. Algebra

    Solve: 3x² + 12x + 9 = 0

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

    Adjacent = 15cm, hypotenuse = 20cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    Simplify the ratio 2m:200cm

    Answer: 1:100
  5. 5. Statistics

    Find the median of: 37, 51, 65, 28, 40, 45, 53, 47, 34, 52

    Answer: 47

Tuesday 20 January 2026

Keystones #20 · Five questions · Open this day only

  1. 1. Number

    Divide: 4.6 × 107 ÷ 6.6 × 104

    Answer: 6.97 × 102
  2. 2. Algebra

    Solve: 2x² + 6x + 4 = 0

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

    Adjacent = 18cm, hypotenuse = 27cm. Find the angle

    Answer: 48.2°
  4. 4. Ratio

    Simplify the ratio 7m:700cm

    Answer: 1:100
  5. 5. Statistics

    Find the median of: 53, 75, 25, 80, 67, 62, 20, 29, 27

    Answer: 53

Wednesday 21 January 2026

Keystones #21 · Five questions · Open this day only

  1. 1. Number

    Divide: 2.9 × 106 ÷ 5.7 × 106

    Answer: 5.09 × 10-1
  2. 2. Algebra

    Solve: 6x² + 11x + 3 = 0

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

    Adjacent = 14cm, hypotenuse = 26cm. Find the angle

    Answer: 57.4°
  4. 4. Ratio

    Simplify the ratio 8m:800cm

    Answer: 1:100
  5. 5. Statistics

    Find the median of: 25, 72, 30, 52, 73, 26, 60, 42, 57, 48, 75

    Answer: 52

Thursday 22 January 2026

Keystones #22 · Five questions · Open this day only

  1. 1. Number

    Divide: 4.2 × 108 ÷ 6.4 × 105

    Answer: 6.56 × 102
  2. 2. Algebra

    Solve: 6x² + 11x + 3 = 0

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

    Adjacent = 21cm, hypotenuse = 28cm. Find the angle

    Answer: 41.4°
  4. 4. Ratio

    In ratio 2:4:1, what fraction is the second part?

    Answer: 4⁄7
  5. 5. Statistics

    Find the median of: 33, 75, 77, 75, 75, 25, 23, 38, 32, 62

    Answer: 62

Friday 23 January 2026

Keystones #23 · Five questions · Open this day only

  1. 1. Number

    Divide: 1.1 × 108 ÷ 7.7 × 104

    Answer: 1.43 × 103
  2. 2. Algebra

    Solve: 6x² + 11x + 3 = 0

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

    Adjacent = 28cm, hypotenuse = 38cm. Find the angle

    Answer: 42.5°
  4. 4. Ratio

    £279.00 is shared between A and B in the ratio 4:5. How much does A receive?

    Answer: £124.00
  5. 5. Statistics

    Find the median of: 78, 64, 64, 44, 20, 59, 76, 51, 55, 77

    Answer: 64