- Construct number meanings through real-world experiences and the use of physical materials
- Understand our numeration system by relating counting, grouping, and place-value concepts
- Develop number sense

Grades K-2, page 211

Numbers can be used to count things, place them in order, or name them.

*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.

Grades 3-5, page 212

The meaning of numerals in many-digit numbers depends on their positions.

- Interpret the multiple uses of numbers encountered in the real world

Grades 3-5, page 212

In some situations, "0" means none of something, but in others it may be just a label of some point on a scale.

*Benchmarks* 11D (Common Themes: Scale)

Grades 3-5, page 277

Almost anything has limits on how big or small it can be.

Grades K-2, page 290

Use whole numbers and simple, everyday fractions in ordering, counting, identifying, measuring, and describing things and experiences.

*Benchmarks* 12D (Habits of Mind: Communication Skills)

Grades 3-5, page 296

Use numerical data in describing and comparing objects and events.