Lesson Planet
Search educational resources
  • Sign In Try It Free
  • AI Teacher Tools
    • Discover Resources Search reviewed educational resources by keyword, subject, grade, type, and more
    • Curriculum Manager (My Content) Manage saved and uploaded resources and folders To Access the Curriculum Manager Sign In or Join Now
    • Browse Resource Directory Browse educational resources by subject and topic
    • Curriculum Calendar Explore curriculum resources by date
    • Lesson Planning Articles Timely and inspiring teaching ideas that you can apply in your classroom
    • Our Story
    • Frequently Asked Questions
    • Testimonials
    • Contact Us
  • Pricing
  • School Access
    • Your school or district can sign up for Lesson Planet — with no cost to teachers
      Learn More
  • Sign In
  • Try It Free
Illustrative Mathematics: A Rei: How Does the Solution Change? Lesson PlanIllustrative Mathematics: A Rei: How Does the Solution Change? Lesson Plan
Publisher
Illustrative Mathematics
Curator Rating
Educator Rating
Not yet Rated
Lesson Plan

Illustrative Mathematics: A Rei: How Does the Solution Change?

Curated by ACT

The purpose of this task is to ask learners to reason about solutions without explicitly solving them to get them to understand what it means for a number to be a solution to an equation. Aligns with A-REI.A.

3 Views 0 Downloads
CCSS: Adaptable
Concepts

equations, inequalities

Additional Tags

a-rei.a, cc by-nc-sa 4.0, creative commons, creative commons attribution-noncommercial-sharealike 4.0, how does the solution change?, illustrative mathematics, illustrative mathematics: a-rei how does the solution change?, illustrative mathematics: a-rei: how does the solution change?, reasoning with equations & inequalities, solve equations and inequalities in one variable, equations and inequalities
Show More Show Less

Resource Details

Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Lesson Plans
Audiences
For Administrator Use
1 more...
Instructional Strategy
Independent Practice
Lexile Measures
1510L

Common Core

HSA-REI.A.1

View 12,212 other resources for 9th - 10th Grade Algebra I

© 1999-2026 Learning Explorer, Inc.
Teacher Lesson Plans, Worksheets and Resources

Sign up for the Lesson Planet Monthly Newsletter

Open Educational Resources (OER)

  • Health
  • Language Arts
  • Languages
  • Math
  • Physical Education
  • Science
  • Social Studies
  • Special Education
  • Visual and Performing Arts
View All Lesson Plans

Discover Resources

  • Our Review Process
  • How it Works
  • How to Search
  • Create a Collection

Manage Curriculum

  • Edit a Collection
  • Assign to Students
  • Manage My Content
Contact Us Site Map Privacy Policy Terms of Use