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How to Add 2-Digit Numbers Without Regrouping: Simple Examples

The Organic Chemistry TutorDecember 9, 20251 min4,792 views
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Adding Two-Digit Numbers

  • πŸ’‘ The video demonstrates how to add two-digit numbers, focusing on examples that do not require regrouping.
  • 🎯 The process involves adding the numbers in the ones column first, followed by the numbers in the tens column.

Example 1: 25 + 43

  • βž• To solve 25 + 43, first add the ones column: 5 + 3 equals 8.
  • βž• Next, add the tens column: 2 + 4 equals 6.
  • βœ… The sum of 25 + 43 is 68.

Example 2: 52 + 37

  • βž• Add the ones column: 2 + 7 equals 9.
  • βž• Add the tens column: 5 + 3 equals 8.
  • βœ… Therefore, 52 + 37 equals 89.

Example 3: 32 + 43

  • βž• Add the ones column: 2 + 3 equals 5.
  • βž• Add the tens column: 3 + 4 equals 7.
  • βœ… The result of 32 + 43 is 75.

Example 4: 24 + 91

  • βž• Add the ones column: 4 + 1 equals 5.
  • βž• Add the tens column: 2 + 9 equals 11.
  • βœ… This results in 115, illustrating a case where regrouping might be needed in other contexts, but the method shown still applies.

Conclusion

  • πŸ”‘ The tutorial concludes by summarizing the method for adding two-digit numbers without regrouping, using the provided examples.
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What’s Discussed

AdditionTwo-Digit NumbersMath TutorialElementary MathRegroupingPlace Value
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