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Number Systems & Number Bases

AQA 75174.5aA-levelLesson packFree
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Set it as homework or classwork and every answer is marked as pupils go, with feedback on what they got wrong. The scores go straight into your mark book, so you can see who needs help before the next lesson.

  • 12 questions
  • 29 marks
  • about 45 minutes
  • marked instantly

Question types: binary conversion, matching, short answer, multiple choice.

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About this resource

AQA A-level Computer Science (7517) Paper 2 — 4.5.1 number systems (natural, integer, rational, irrational, real, ordinal) and 4.5.2 number bases (decimal, binary, hexadecimal), including subscript notation, converting between bases, and why hexadecimal is used as shorthand for binary.

20 slides.

Lesson outline

  1. Do Now — Retrieval (GCSE recap)
  2. Natural Numbers and Integers
  3. Hinge Check — Is 0 Natural?
  4. Rational and Irrational Numbers
  5. How the Number Sets Nest Inside Each Other
  6. Classify the Numbers
  7. Real Numbers, Ordinal Numbers, Counting vs Measurement
  8. Quick Check — Counting or Measuring?
  9. Number Bases and Subscript Notation
  10. The Same Value in Three Bases
  11. We Do — Denary to Binary
  12. Hinge Check — Common Binary Mistake
Unit bundlePaper 2
Part of: Paper 2: the whole unitEvery resource in the unit in one zip.

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