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

Hi, what do you want to do?

Create a lesson plan
Create a lesson plan
Generate resources with 80+ AI teacher tools
Generate resources with 80+ AI teacher tools
Search 200,000 instructional videos
Search 200,000 instructional videos
Find a teaching resource
Find a teaching resource
Evaluation of Square Roots InteractiveEvaluation of Square Roots Interactive
Publisher
CK-12 Foundation
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
8th - 10th
Subjects
Math
1 more...
Resource Type
Interactives
Audiences
For Teacher Use
1 more...
Duration
30 mins
Instructional Strategies
Direct Instruction
1 more...
Technology
Internet Access
Accessibility
Larger Text
Usage Permissions
Creative Commons
BY-NC: 3.0
cc
Interactive

Evaluation of Square Roots

Curated and Reviewed by Lesson Planet
This Evaluation of Square Roots interactive also includes:
  • Student Reference
  • Join to access all included materials

Think outside the box and use an engaging, interactive app that shows the relationship between square roots and squares using an actual square. Pupils find that moving a slider increases the side length of a square and its associated area.

13 Views 16 Downloads
CCSS: Designed

Concepts

square roots, squares, perfect squares, area of squares

Additional Tags

math

Instructional Ideas

  • Use the resource to introduce square roots

Classroom Considerations

  • Interactive requires free CK-12 account
  • Note that the app can only handle perfect squares up to 256 and their square roots

Pros

  • Includes link to a tutorial on square roots

Cons

  • Challenge questions focus on squares not square roots

Common Core

8.EE.A.2

See similar resources:

Worksheet

Number Sense and Numeration: Multiples, Factors and Square Roots

Curated OER
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
6th - 8th Math
Worksheet

Number Sense and Numeration: Square Roots

Curated OER
In this square roots instructional activity, 8th graders solve 14 different types of problems to include determining the square root of a number of problems, determining the area of a rectangle and the length of a side of a square with...
8th Math
Lesson Plan

Square Roots

EngageNY
Investigate the relationship between irrational roots and a number line with a resource that asks learners to put together a number line using radical intervals rather than integers. A great progression, they build on their understanding...
8th Math
CCSS: Designed
Instructional Video

Graphs of Square-Root Functions, Functions and Their Graphs, Algebra II

Khan Academy
Though Sal expects viewers to be "reasonably familiar" with square roots, he takes this opportunity to explain some of the notation and how to graph square root functions. He uses a graphing calculator from my.hrw.com/math06 to...
15 mins 8th - 11th Math
Instructional Video

Why Is It Called a Square Root?

Domain of Science
Take a radical look at square roots. The presentation examines square roots as the lengths of the sides of a square with a given area on the coordinate plane. Using this method, it is clear why the square root of a number can be positive...
3 mins 7th - 10th Math
CCSS: Adaptable
Instructional Video

Square Roots And Real Numbers, Pre-Algebra

Khan Academy
Sal works through several problems involving rational and irrational numbers and shows how to find the difference. This video is a good stepping stone for those preparing to take on more challenging algebra work.
10 mins 7th - 11th Math
Interactive

Square Roots and Irrational Numbers: Estimating Radicals

CK-12 Foundation
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between...
8th - 10th Math
Interactive

Use Square Roots to Solve Quadratic Equations: Plus or Minus

CK-12 Foundation
Get two answers from a single equation. Pupils use the interactive to take the square root of nine and see the graphical representation of the two solutions. Individuals realize that solutions to quadratic equations that are solved by...
9th - 12th Math
CCSS: Designed
Interactive

Vertical Translations: Translating a Square Root Function

CK-12 Foundation
How does the equation of a function reflect translations? Scholars manipulate the starting point of the parent square root function before determining the new equations that result from the translations. Class members also determine the...
10th - 12th Math
CCSS: Designed
Instructional Video

How Do You Find the Square Root of a Perfect Square?

Curated OER
What is the relationship between squaring a number and taking the square root of a number? The instructor in the video explains the relationship of perfect square and its square root integer.
2 mins 6th - 9th Math
Try It Free
© 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