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Fixed & Floating Point + Normalisation

AQA 75174.5.4A-levelLesson packSubscription
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  • 14 questions
  • 37 marks
  • about 55 minutes
  • marked instantly

Question types: short answer, multiple choice, true or false, multi-part.

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About this resource

Represent numbers with a fractional part in fixed point and floating point binary form, convert decimal to/from each (AQA: floating point exam questions use two's complement for both mantissa and exponent), compare range/precision/speed, and normalise floating point numbers with positive or negat…

22 slides.

Lesson outline

  1. Retrieval Starter — Two's Complement
  2. Hinge Check — Retrieval
  3. Keyword Glossary
  4. Why Do We Need Fractions in Binary?
  5. Fixed Point Form
  6. Fixed Point Conversion Practice
  7. Hinge Check — Fixed Point Misconception
  8. Floating Point Form: Mantissa + Exponent
  9. Reading the Mantissa and Exponent
  10. Worked Example — Floating Point to Decimal (I do)
  11. Practice — Floating Point to Decimal
  12. Hinge Check — Reading the Exponent
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