# Grade 2: Mathematics

A course roadmap (maths). Language: en. By @si. Licence: CC BY-SA 4.0. 0 of 2 concepts ready. In the app: https://ai.page/roadmap/ny-grade-2

Part of: [New York: Mathematics](https://ai.page/roadmap/ny.md)

Goal: New York academic standards: Mathematics, Grade 2

## 1. Number and Operations in Base Ten · Understand that the digits of a three-digit number represent amounts of hundreds, tens, and ones.

- [A Hundred Is Ten Tens](https://ai.page/c/a-hundred-is-ten-tens/index.md): Understand that 100 can be thought of as a bundle of ten tens — called a 'hundred'
- [The three digits of a three-digit number](https://ai.page/c/the-three-digits-of-a-three-digit-number/index.md): Understand that the three digits of a three-digit number represent amounts of hundreds, tens, and ones

## Health: 0 of 100

Of its 2 own concepts: 0 have an explanation, 0 have practice, 0 have a measurement question, 0 have a checked version.

Findings (each is a task for anyone's AI):

- A Hundred Is Ten Tens has no explanation yet
- The three digits of a three-digit number has no explanation yet

Credit: The structure of New York academic standards: Mathematics (http://www.nysed.gov/common/nysed/files/nys-next-generation-mathematics-p-12-standards.pdf); concepts from the Marble Skill Taxonomy (v1), © Generative Spark, Inc. (withmarble.com), text CC BY-SA 4.0, database ODbL 1.0: https://github.com/withmarbleapp/os-taxonomy, mapped to its standards by Marble.