Curated OER
Diagonals to Quadrilaterals II
Learners identify the properties of different polygons. In this geometry lesson plan, students find the slope of a line and calculate the distance between two lines. They differentiate between similar and congruent polygons.
Curated OER
Line, Ray, Segment
Students define vocabulary words. In this geometry lesson, students identify the graph as a line, ray or segments. They understand the properties of each and calculate the distance on a number line.
Curated OER
Iterating Linear Functions
Students use a spreadsheet to investigate data. In this algebra lesson, students collect and graph data on a coordinate plane. They explain properties of a linear equation both algebraically and orally.
Curated OER
The Trapping of Trapezoids
This is a nice hands-on activity where young geometers create trapezoids and calculate their area by looking at areas of quadrilaterals and triangles.
Noyce Foundation
Snail Pace
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
Curated OER
Lines, Rays, Line Segments, and Planes
Students are introduced to lines, rays, line segments and planes. They explore the differences between lines, rays, line segments and planes. Students pracice graphing lines, rays, line segments and planes.
Curated OER
Circles
In this circles worksheet, 10th graders solve 10 different problems that include determining various types of circles. They write the standard form of the equation of the circle with the given radius and center. Then, students solve each...
Curated OER
Quiz: Translations and Vectors
For this translation and vector worksheet, students graph and label translations of polygons and points. Translation instructions are given as ordered pairs, as well as in written words. This one-page worksheet contains ten problems.
Curated OER
Parabolas
In this parabolas worksheet, 10th graders solve and graph 10 different problems that include various types of parabolas. First, they determine the vertex and the y-intercept for each problem given the information. Then, students write...
Curated OER
Aestheometry
Students explore the aesthetics of Geometry in this group activity, which provides a patterns page and a page for the leader of the group. Here, students create an eighth inch L shaped coordinate grid. They number the axis and use a...
Curated OER
Equation of a Line
In this equation of a line worksheet, 9th graders solve 10 different problems that include the equation of a line. First, they determine the equation of a line that has a given slope and passes through a given point on a graph. Then,...
Curated OER
Locus at a Fixed Distance
In this locus at fixed distance worksheet, 10th graders solve 10 different problems related to determining a fixed distance. First, they write the equation of the locus of points a certain number of units from the x-axis. Then, students...
Curated OER
Intersecting Lines
In this intersecting lines learning exercise, 10th graders identify and complete 10 different problems that include equidistant intersecting lines. First, they write the equation of the locus of points equidistant from the x-axis and the...
Curated OER
Grids
In this geometry learning exercise, students plot and label 8 sets of points and triangles on a grid using coordinate pairs. They use both positive and negative numbers.
Curated OER
Where are They?
Learners identify the location of different places. In this geometry lesson, students use a coordinate plane to plot and find the coordinate pair of a specific place. They use longitudinal and latitude to clarify the location.
Curated OER
Using Concept Maps to Design 3D Spheres
Students create three dimensional shapes using concept maps. In this geometry activity, students investigate the impact of mental schemas on humans. They collect data on this topic and plot their data on a coordinate plane.
Curated OER
Distance Calculations
Pupils calculate the distance between two points. In this geometry lesson, students use coordinates and the distance formula to find the distance. They perform an interactive lesson to solve the missing length.
Curated OER
Translations
Pupils explore the concept of translations. In this translations lesson, students discuss similarities and differences between images and pre-images. Pupils apply translations to coordinates of figures. Students use patty paper to...
Curated OER
Simplifying Expressions
In this simplifying expressions worksheet, 11th graders solve and complete 44 various types of problems. First, they solve for the given variable in each equation. Then, students simplify each expression and factor completely. They also...
Alabama Learning Exchange
What You Know About the Bermuda Triangle?
Get lost in the classifications. Using the backdrop of the Bermuda Triangle, pupils classify it by angle and side measures. They also learn information about the triangle and its history.
Shodor Education Foundation
Pythagorean Theorem
Most adults remember learning about the Pythagorean theorem, but they don't all remember how to use it. The emphasis here is on developing an intuitive understanding of how and when to use the theorem. Young mathematicians explore...
EngageNY
An Area Formula for Triangles
Use a triangle area formula that works when the height is unknown. The eighth installment in a 16-part series on trigonometry revisits the trigonometric triangle area formula that previously was shown to work with the acute triangles....
Curated OER
Exploring Quadratic Data with Transformation Graphing
Using a data collection device to collect data regarding a bouncing ball, students use various features on graphing calculators to experiment with the parameters of the vertex form of the parabola and their effect on the shape of the...
Shodor Education Foundation
Visual Patterns in Tessellations
Geometers explore the concept of tessellations. They use a tessellation applet to manipulate shapes and design their own tessellation using the applet.