This Study Jams! Estimate Sums & Differences of Whole Numbers interactive also includes:
- Answer Key
- Join to access all included materials
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this most appropriate for fourth grade learners.The procedure for front-end estimation is included, but decide for yourself whether this is a method you want your class to learn.
- Includes practice estimating a variety sums and differences into the ten thousands
- Provides real-life contexts for estimation
- Front-end estimation procedure inconsistent with assessment answers