MA19.3.10
Identify the nearest 10 or 100 when rounding whole numbers, using place value understanding.
Identify the nearest 10 or 100 when rounding whole numbers, using place value understanding.
UP:MA19.3.10
Vocabulary
- Place value
- Round
- Nearest 10
- Nearest 100
- Benchmark number
- Midpoint
Knowledge
Students know:
- Values of the digits in the ones, tens, and hundreds places.
- How to determine what is halfway between two multiples of 10 or 100.
- Strategies for rounding to the nearest 10 or 100.
- Use place value vocabulary and logical reasoning to justify solutions when rounding.
Skills
Students are able to:
- Round whole numbers to the nearest 10 or 100.
- Identify a possible value for a number which will result in a given number rounded to the nearest 10 or 100.
Example: What value will result in 270 when rounded to the nearest 10? Identify the possible values.
Understanding
Students understand that:
- rounding is determining which ten or hundred a number is closer to.
