Grade 1 Number and Operation Sense (1.NOS)

Exploring the Revisions

The revised standards are presented in a crosswalk format, displaying the new standards alongside their previous versions to clearly highlight shifts in content and instructional focus.

Open the Grade 1 MCCRS Mathematics Crosswalk. Explore the standards within the Number and Operation Sense (NOS) domain. As you review, use the following guiding questions to identify key changes:

- What standards have been added, removed, or revised?
- What shifts do you notice in terms of instructional focus or clarity of language?
- Are there new skills or concepts introduced that were not previously emphasized?

Make note of or highlight specific examples that stand out to you.

Use what you've learned from your review of the 1.NOS standards within the Crosswalk to answer the question. You must answer the Quick Check question to continue to the next part of the course.

Quick Check

What content was added to Grade 1 to support numeracy development? Select three.

Read, write, and represent a number of objects with a written numeral.: This is not new content for grade 1 students. However, within the revised standards, it is separated from the counting standard.
Represent whole numbers on a number line.: Correct
Estimate the location of whole numbers on a number line: Correct
Recall or quickly derive addition and subtraction facts within 20.: This is not new content for grade 1 students. The language has been revised to emphasize the specific strategies that should be utilized to support students in developing efficient strategies as they work towards automaticity.
Subtract a 1-digit number from a 2-digit number (without regrouping).: Correct