Estimation is an important skill that children are informally introduced to through simple phrases like, in about five minutes or about five dollars. This book teaches children how to estimate and use estimates in everyday situations.
Looks at how scientists use math as a tool to understand data, identifies systems used to make measurements, and describes situations in which using estimates is most practical.
Provides a simple introduction to percentage and estimation through a story in which second grade students go on a field trip to the zoo. Includes related activities.
Presents the concept of estimation and how important it can be to give an approximate measure, such as when adding a pinch of salt to a recipe or rounding off one's age.