Curated OER
Are you in Golden Shape
Learners solve and verify the solution for unknown measures. In this geometry lesson, students identify the properties of circles. They use the arc, angle and segment relationship to find the missing measures.
Curated OER
New York State Testing Program Grade 8 Mathematics Test
In this eighth grade mathematics learning exercise, 8th graders are presented with questions indicative of those on the eighth grade mathematics examination. The twelve page learning exercise contains six free response questions...
Curated OER
Understanding Hurricanes and the ER-2
Students study hurricanes; in particular, what they look like, how they are formed, how they are categorized, how they are named, and how they are tracked. They examine the science of hurricanes as well as the mathematics of hurricanes.
Curated OER
Graphing Ordered Pairs
In this math worksheet, students learn to graph ordered pairs. Students examine a graph with 3 labeled points and tell the ordered pairs for each. Students also plot 8 ordered pairs on a graph they draw themselves.
Curated OER
Periodic Functions
In this Pre-Calculus instructional activity, students solve problems involving periodic functions. The three page instructional activity contains twenty-three problems. Answers are not provided.
Curated OER
Lesson #2 Absolute Value and Symmetry
Students investigate absolute value functions. In this Algebra II/Pre-calculus/Calculus lesson, students explore the formal definition of absolute value and apply the piece-wise definition to solve inequality problems. ...
Curated OER
Worksheet 21
In this math instructional activity, learners draw two vectors u and v based at the same point. The vectors are considered neither parallel nor orthogonal.
Illustrative Mathematics
Illustrative Mathematics: 8.g a Rectangle in the Coordinate Plane
In this task, 8th graders are shown a picture of a quadrilateral on a coordinate grid and are asked to use the Pythagorean Theorem to find lengths and to explain why the quadrilateral is a rectangle. Aligns with 8.G.B.
Other
Rochester Institute of Tech: Cartesian Coordinate System
A picture is shown to represent a position vector in three dimensions. The page explains that a position vector may be named at any point along a curve, and the criterion for a position vector.
Illustrative Mathematics
Illustrative Mathematics: G Gpe, G Srt Finding Triangle Coordinates
Given a picture of a triangle on a coordinate grid, students are asked to find the coordinates of points which divide line segments in a given ratio. Aligns with G-GPE.B.6 and G-SRT.B.5.
Texas Instruments
Texas Instruments: Linear Pictures in the Activity Center
Students can use their knowledge of linear functions to match real world linear situations. Students will be asked to match equations to linear pictures that are imposed in a coordinate plane.
University of Illinois
University of Illinois Urbana Champaign: Egg Math Axis of Symmetry
Uses an egg to demonstrate the concept of axis of symmetry. Put your cursor over the picture to "move" around the egg. Offers links to related concepts, including Cartesian Ovals and Ovals of Cassini.
Wolfram Research
Wolfram Math World: Ellipsoid
This site from Math World begins with a picture of an ellipsoid and then gives cartesian and parametric equations for the surface. The site gives much more information for the ellipsoid, including special ellipsoids, a surface area...
Windstream
Ojk's Precalculus Study Page: Measurement of Angles
An introduction to radian measurement, including converting between radians and degrees. Includes several examples and lots of pictures.
Curated OER
Circle Picture
This site provides definitions for different parts of a circle, pictures to more clearly represent formulas involving circles. Some of the formulas discussed include: area of a circle, area of a sector of a cirles, circumference, length...
Illustrative Mathematics
Illustrative Mathematics: 8.g Reflecting Reflections
For this task, 8th graders are shown a picture of a triangle on a coordinate grid and are asked to draw and label reflections and explain a transformation. Aligns with 8.G.A.3.
Wolfram Research
Wolfram Math World: Octant
This page from MathWorld.com provides a good diagram of the eight octants of the Cartesian coordinate system. (Good picture, but not much explanation is included!)
Curated OER
Parametric Unit Circle
This site provides definitions for different parts of a circle, pictures to more clearly represent formulas involving circles. Some of the formulas discussed include: area of a circle, area of a sector of a cirles, circumference, length...
Windstream
Ojk's Precalculus Study Page: Geometric Representation of Complex Numbers
An introduction to viewing the complex plane in terms of polar coordinates. Assumes knowledge of the conversion formulas. Includes several examples and pictures.