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Lesson Plan

Illustrative Mathematics: 1.oa Valid Equalities?

Curated by ACT

This lesson plans allows students to explore the meaning of the equal sign in addition and subtraction problems.

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CCSS: Designed
Concepts
addition, subtraction
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Additional Tags
operations, 1.oa.d.7, cc by-nc-sa 4.0, ccss.math.content.1.oa.d.7, creative commons, creative commons attribution-noncommercial-sharealike 4.0, illustrative mathematics, illustrative mathematics: 1.oa valid equalities?
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional|practice
Common Core
1.OA.D.7