estimation theory

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.

Teaches how to round numbers to the nearest ten, following a little boy and his father as they buy food at a farmer's market.

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.

Simple text and photographs introduce the concept of estimation, providing examples of ways one can estimate time and amounts.

Introduces young readers to people who predict and prepare for natural disasters such as volcanologists, seismologists, and meteorologists.

Describes the methods, math skills, and tools used by volcanologists and seismologists to make predictions and includes related math problems.

Presents a counting book about some of the things seen in a zoo such as elephants, giraffes, peanuts, and peacocks.

Text and photographs introduce everyday uses for estimation.