MA19.1.5

Mathematics (2019) Grade(s): 1

MA19.1.5

Relate counting to addition and subtraction.

Unpacked Content

Knowledge

Students know:
  • how to count on or count back from a given number within 20.

Skills

Students are able to:
  • Explain counting strategies for addition and subtraction.

Understanding

Students understand that:
  • counting patterns can be used to find solutions in addition and subtraction situations.
  • A variety of models and tools can be used to communicate justifications for mathematical ideas and solutions.

Vocabulary

  • Number paths

COS Examples

Example: counting on 2 to add 2

ALSDE LOGO