The unit Data Around Us was developed to help students build number sense and to
- Choose sensible units for measuring
- Understand that measurement has two components, a unit of measure and a count
- Build a repertoire of bench marks to relate the measures of unfamiliar objects or events to the measures of objects or events that are personally meaningful
- Review the concept of place value as it relates to reading, writing, and using large numbers
- Read, write, and interpret large numbers that occur in everyday measurements using standards, scientific, and calculator notation
- Choose sensible ways of comparing counts and measurements, including using differences, rates, and ratios
- Use estimates and rounded numbers for describing and comparing quantities
