Key Idea1 of 3
Subtract Ones, Then Tens
To subtract 67 - 34, subtract ones first: 7 - 4 = 3. Then tens: 6 - 3 = 3. Answer: 33. Easy when the top digit is bigger than the bottom in each place!
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Math — Addition and Subtraction to 100
To subtract 67 - 34, subtract ones first: 7 - 4 = 3. Then tens: 6 - 3 = 3. Answer: 33. Easy when the top digit is bigger than the bottom in each place!