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Lintel Oct 26 - Nov 1 25 questions
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Monday 26 October 2026

Keystones #299 · Five questions · Open this day only

  1. 1. Number

    Simplify: y3 × (y2)3 ÷ y1

    Answer: y8
  2. 2. Algebra

    Solve: 6x + 10 = 5x - 6

    Answer: x = 16
  3. 3. Geometry

    Find the distance between (-1, -7) and (9, 10)

    Answer: 19.72
  4. 4. Ratio

    A car worth £19,932.00 depreciates by 14% each year for 5 years. What is it worth after 5 years?

    Answer: £9,376.55
  5. 5. Statistics

    Calculate the median of: 29, 25, 17, 18, 12, 22

    Answer: 20

Tuesday 27 October 2026

Keystones #300 · Five questions · Open this day only

  1. 1. Number

    Simplify: y4 × (y3)3 ÷ y3

    Answer: y10
  2. 2. Algebra

    Solve: 7x - 10 = 2x + 5

    Answer: x = 3
  3. 3. Geometry

    Calculate the distance between (5, 9) and (8, 13)

    Answer: 5
  4. 4. Ratio

    A car worth £15,953.00 depreciates by 19% each year for 3 years. What is it worth after 3 years?

    Answer: £8,478.08
  5. 5. Statistics

    Find the median of: 73, 57, 28, 39, 80, 57, 26, 23, 39, 61

    Answer: 57

Wednesday 28 October 2026

Keystones #301 · Five questions · Open this day only

  1. 1. Number

    Simplify: y3 × (y2)4 ÷ y1

    Answer: y10
  2. 2. Algebra

    Solve: 9x - 8 = 5x + 32

    Answer: x = 10
  3. 3. Geometry

    Calculate the distance between (8, 3) and (11, 7)

    Answer: 5
  4. 4. Ratio

    A car worth £9,409.00 depreciates by 24% each year for 4 years. What is it worth after 4 years?

    Answer: £3,139.05
  5. 5. Statistics

    Find the median of: 44, 60, 25, 31, 66, 52, 56, 50, 60, 79, 79

    Answer: 56

Thursday 29 October 2026

Keystones #302 · Five questions · Open this day only

  1. 1. Number

    Simplify: (a4)3 × a3

    Answer: a15
  2. 2. Algebra

    Solve: 6x + 6 = x - 2

    Answer: x = 1.6
  3. 3. Geometry

    Find the distance between (0, -3) and (12, 7)

    Answer: 15.62
  4. 4. Ratio

    A car worth £9,931.00 depreciates by 19% each year for 3 years. What is it worth after 3 years?

    Answer: £5,277.74
  5. 5. Statistics

    Calculate the median of: 39, 20, 15, 24, 39, 16

    Answer: 22

Friday 30 October 2026

Keystones #303 · Five questions · Open this day only

  1. 1. Number

    Simplify: (a3)2 × a3

    Answer: a9
  2. 2. Algebra

    Solve: 8x + 4 = 6x - 10

    Answer: x = 7
  3. 3. Geometry

    Calculate the distance between (6, 5) and (9, 9)

    Answer: 5
  4. 4. Ratio

    A car worth £17,479.00 depreciates by 24% each year for 5 years. What is it worth after 5 years?

    Answer: £4,431.84
  5. 5. Statistics

    Calculate the median of: 25, 33, 18, 38, 32, 12

    Answer: 28.5