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CS01-06 Computer Science Watch

Binary addition

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In this lesson

In this video you'll learn about binary addition for GCSE Computer Science.

By the end: Add binary numbers of up to 8 bits, showing every carry, and add three binary numbers where the board requires it.

What it covers

  1. 1:00 Binary addition: the four sums
  2. 2:21 The fifth line + the checkable question
  3. 4:31 Worked example, 01101101 + 00101010
  4. 7:35 AQA three-addend case
  5. 9:12 Exam technique

Key words

For: AQA GCSE 8525, Edexcel GCSE 1CP2, OCR GCSE J277

On the specification

BoardSpecStatement
AQA GCSE 85253.3.4Binary arithmetic
Edexcel GCSE 1CP22.1.4Binary
OCR GCSE J2771.2.4Data storage - Numbers
For teachers

This GCSE Computer Science lesson teaches binary addition. By the end, students should be able to add binary numbers of up to 8 bits, showing every carry, and add three binary numbers where the board requires it. It works through two worked examples and the mistakes examiners report.