Rounding rules:
- Identify the place you are rounding to
- Look at the digit one place to the right
- If it is 0-4, round down (keep the digit, change rest to 0)
- If it is 5-9, round up (increase the digit by 1, change rest to 0)
Place Value to 10,000 • Topic 2 of 3
Rounding to Nearest 10, 100, 1000
Solved Examples
1
Worked Example
Round 4,783 to the nearest 10.
SolutionLook at ones digit: 3. Since 3 < 5, round down. Answer: 4,780.
2
Worked Example
Round 5,256 to the nearest 100.
SolutionLook at tens digit: 5. Since 5 >= 5, round up. Answer: 5,300.
3
Worked Example
Round 2,789 to the nearest 1,000.
SolutionLook at hundreds digit: 7. Since 7 >= 5, round up. Answer: 3,000.
Key Points
- Circle the place, look one right. 0-4 = down, 5-9 = up.
- Rounding to nearest 10: look at ones. Nearest 100: look at tens.
- All digits to the right of rounded place become 0.
Quick Check — 4 MCQs
Tap an option to check your answer0 / 4
Q1.To round, look at the digit to the ___ of the rounding place.
Explanation: The digit to the right.
Q2.$47$ rounded to the nearest $10$ is:
Explanation: $50$.
Q3.$234$ rounded to the nearest $100$ is:
Explanation: $200$.
Q4.If the digit is $5$ or more, you:
Explanation: Round up.