Round to the greatest place of the lesser number. 3861+647
The lesser number is 647, and the greatest place is the hundreds digit.
So add the two numbers and round to the hundreds place.
600
To round to the greatest place of the lesser number when performing addition, follow these steps:
1. Identify the greatest place value of the lesser number. In this case, the lesser number is 647, and the greatest place value is the thousands place.
2. Add the two numbers: 3861 + 647.
3. Look at the digit in the thousands place of the lesser number, which is 6.
4. Round up or down based on the digit in the thousands place:
- If the digit is 0, 1, 2, 3, or 4, you round down the sum.
- If the digit is 5, 6, 7, 8, or 9, you round up the sum.
In this case, the digit in the thousands place is 6, which is greater than 4. So we round up.
5. Add 1 to the sum of the numbers. The sum of 3861 + 647 is 4508.
Thus, when rounded to the greatest place of the lesser number, the sum of 3861 + 647 is 4508.