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

Aligned Learning Resources

Where Oh Where Has My Addend Gone?

Mathroom Reunion: The Odd Squad

The Electric Company Math Activities: A.M./P.M.

Getting Ready to Snap...Making Numbers

Taking Turns to Counting On

What's Missing?

Looks Like We Can Count to 120

Design by Adaptive Theme