Binary Addition Practice

A 10-question randomized worksheet.

Part 1: 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 (8-bit):

  C: 00000000
  10001000
+ 00110111
  10111111

Part 2: 8-Bit Addition (Page 1 of 2)

Add the 8-bit numbers. Some answers may be 9 bits (overflow). Blank carry boxes are counted as 0.

Part 3: 8-Bit Addition (Page 2 of 2)

Add the 8-bit numbers. Some answers may be 9 bits (overflow). Blank carry boxes are counted as 0.

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