2-Digit Subtraction

Subtract 2-digit numbers without borrowing

What You'll Learn

  • Subtract ones from ones and tens from tens
  • Line up digits by place value
  • Check answers by adding

📖Subtracting 2-Digit Numbers

When subtracting 2-digit numbers, line them up by place value. Subtract the ones first, then the tens. 78 - 45 = 33 because 8 - 5 = 3 and 70 - 40 = 30.

💡

Check your work by adding: 33 + 45 = 78. If it equals the top number, you got it right!