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Sagot :
Answer:
To conclude the lesson in 5 minutes, you can recap the main points briefly:
1. Changing Order of Groupings: Yes, changing the order of groupings of addends will not change the sum in addition.
2. Strategies for Adding 3 to 4 Digit Numbers:
- Start by adding the rightmost digits and carry over if needed.
- Align numbers properly to avoid mistakes.
- Add one column at a time, moving from right to left.
3. Key Skill Required:
- The key skill required when adding 3 to 4 digit numbers up to three addends is understanding place value and carrying over when sum exceeds 9.
4. Importance of Aligning Numbers:
- It is important to align numbers properly when adding 3 to 4 digit numbers up to three addends because it helps maintain place value and makes it easier to add and carry over correctly.
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