Binary Addition Practice

A simple 5-question worksheet.

The Rules of Addition

Add one column at a time (right to left). There are 5 rules to remember.

The 5 Rules:

  • Rule 1: 0 + 0 = 0
  • Rule 2: 0 + 1 = 1
  • Rule 3: 1 + 0 = 1
  • Rule 4: 1 + 1 = 0, Carry 1
  • Rule 5: 1 + 1 + 1 = 1, Carry 1

Worked Example:

  C: 1110
  0101
+ 0011
  1000

Part 2: 4-Bit Addition (5 Problems)

Fill in the **Carry** (C:) and **Answer** rows. Blank carry boxes are counted as 0.

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