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.
Unpacked Content
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.