Search educational resources
Search
  • 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

Join Lesson Planet and gain full access to:

  • 80+ AI-powered teacher tools to simplify planning, personalize instruction, and streamline communication
  • 2.4 million educational videos, lessons, and materials designed to boost student engagement
  • Dynamic lesson-building tools to create customized, curriculum-aligned learning experiences
Activity
University of Cambridge: Nrich: What's Left? Activity
University of Cambridge

University of Cambridge: Nrich: What's Left?

For Students 3rd - 5th
On this one page website sharpen your logic and factor recognition skills while working on this challenge. The solution is available to double check your solution.
Get Free Access See Review

Other popular searches

  • Multiplication Charts to 100
  • Free Multiplication Charts
  • Multiplication Charts 100
  • Multiplication Charts 1 100
  • Multiplication Charts Blank
  • Multiplication Charts to Go
  • 20 X20 Multiplication Charts
  • Multiplication Charts 20x20
  • Multiplication Charts 1000
  • Multiplication Charts 18x18
  • Multiplication Charts 36
  • T Charts Multiplication
© 1999-2025 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