Worked examples
Two examples
Example 1
Round 6.473 to the nearest tenth.
- The tenths digit is 4. The digit to its right is 7: 5 or more, so round up.
- The 4 becomes 5, and every digit after it is dropped.
Answer: 6.5
Example 2
Round 12.96 to the nearest tenth.
- The tenths digit is 9. The digit to its right is 6, so round up.
- A 9 rounds up to 10: write 0 and carry 1, so 12 becomes 13.
Answer: 13.0
Where this is taught: Quiz 13: Decimal Place Value, “Rounding, unchanged”
The drill
Ten problems
How many:
Type each answer, then press Check my answers at the bottom. Commas in large numbers are fine.Write each answer on the line. The answer key, with the reasoning, is on the last page.