Khan Academy
Khan Academy: Features of a Circle From Its Graph
Given the graph of a circle, find its center and radius. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Vector Sum and Difference
[Free Registration/Login may be required to access all resource tools.] Looks at finding the direction and magnitude of vectors and breaking vectors into component parts.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Rational Numbers
A guide to support parents as they work with their students in rational numbers.
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Anatomy of the Eye
This tutorial looks at the anatomy of the eye and how the sense of sight works. This is the first part of a learning module. Subsequent sections cover how images are formed and detected, the concept of accommodation where the eye adjusts...
OpenStax
Open Stax: Physics: Approximation
On many occasions, physicists, other scientists, and engineers need to make approximations or "guesstimates" for a particular quantity. What is the distance to a certain destination? What is the approximate density of a given item? About...
Northwestern University
Northwestern University: Measuring Plate Motions [Pdf]
This slideshow gives an advanced-level explanation of how to calculate the distance that tectonic plates move by using Physics formulas and concepts. Includes a discussion of marine magnetic anomalies and how these impact plate movement....
Math Aids
Math Aids: Pythagorean Theorem Worksheets
Great resource to practice and strengthen math skills pertaining to the Pythagorean Theorem. Math worksheets are printable, may be customized, and include answer keys.
Texas Instruments
Texas Instruments: Numb3 Rs: Up to Speed
Based off of the hit television show NUMB3RS, this lesson builds upon the familiar d=rt formula for distance to include elements of acceleration as well. The lesson is framed in the context of traffic flow theory, but makes some very...
CK-12 Foundation
Ck 12: Analysis: Planes in Space
[Free Registration/Login may be required to access all resource tools.] The equation of a plane on an x, y, z coordinate graph