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
The OR Rule Instructional VideoThe OR Rule Instructional Video
Publisher
Corbett Maths
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
6th - 12th
Subjects
Math
1 more...
Resource Type
Instructional Videos
Media Length
6:37
Audiences
For Teacher Use
1 more...
Duration
10 mins
Instructional Strategies
Direct Instruction
1 more...
Technology
Video
Internet Access
Accessibility
Closed Captions
1 more...
Year
2013
Usage Permissions
Fine Print: Educational Use
Instructional Video

The OR Rule

Curated and Reviewed by Lesson Planet
This The OR Rule instructional video also includes:
  • Practice Questions
  • Worksheet Answers
  • Join to access all included materials

Use the resource or lament lost opportunities. Scholars watch a short video to learn about the probability of compound events. First, they see how to find probability of or events that are mutually exclusive. They then use the addition rule to determine probability of events that are not mutually exclusive.

3 Views 0 Downloads
CCSS: Adaptable

Concepts

probability, compound probability, mutual exclusivity, addition rule

Additional Tags

math

Instructional Ideas

  • Apply the associated worksheet as homework

Classroom Considerations

  • Video assumes knowledge of the definition of mutually exclusive
  • Pupils should already be familiar with simple probability

Pros

  • Shows each step of the solution process, making it easy to follow along

Cons

  • US viewers may have trouble with the British terminology, such as naught and square number

Common Core

7.SP.C.8.a HSS-CP.B.7

View 62,294 other resources for 6th - 12th Grade Math

© 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