Benchmarks 11B (Common Themes: Models)
Grades K-2, page 268
A model of something is different from the real thing but can be used
to learn something about the real thing.
Benchmarks 11D (Common Themes: Scale)
Grades 3-5, page 277
Finding out what the biggest and smallest possible values of something
are is often as revealing as knowing what the usual value is.
Benchmarks 11D (Common Themes: Scale)
Grades 3-5, page 277
Almost anything has limits on how big or small it can be.
Benchmarks 12D (Habits of Mind: Communication Skills)
Grades 3-5, page 296
Use numerical data in describing and comparing objects and events.