Curated OER
Transversal and Angles
Tenth graders identify angles formed by parallel lines and a transversal. Using meter sticks and bolts, they perform hands-on activities to demonstrate the properties of parallel lines and congruent angles. They color code diagrams to...
Curated OER
What Is Your Angle?
Students explore the concept of angles by interacting with numerous types of measurements. They create index cards with different angles. Then they pass the cards around to other students for comparison and measurement. They practice the...
Curated OER
Christmas Tree Angles
In this angles worksheet, students measure angles to make triangles and cut them out to make a Christmas tree. Students draw and cut 5 triangles to make their tree.
Curated OER
Distance Formula
Students create ways to find the number of square miles that lie in a triangle having vertices at A, B, and C. They compute the distance between two points and use Heron's formula to find the area of the triangle. Finally, students...
Curated OER
Orienting a Photovoltaic Cell
Students explore the optimum angle for orienting a solar collector relative to the rays of incoming sunlight. They review equinoxes, solstices, and various locational ideas before students investigate using meters, light sources, and...
Curated OER
Exploring Arrangements of 2, 3, 4, and 5 Cubes
Students use problem solving skills to create various models of tricubes, tetracubes, and pentacubes. They classify the cubes into various groupings and identify them as mirror images, regular arrangements, and irregular arrangements....
Curated OER
There's Gotta Be An Angle
Students examine the external variables that affect a downhill skier in the quest for speed. They access websites imbedded in this plan to become ski teams competing against one another. Each team presents results of all experiments.
Curated OER
Measuring the Earth
Learners identify types of arcs and angles in a circle, find the measure of arcs and angles, and solve real world problems involving lengths of segments in circles, lengths, and areas.
Curated OER
The Pendulum
Students discover and discuss relationships and functions between varying dependent variables and how they affect the period of the pendulum. They use graphing calculator to express the data collected in a graph, to analyze the graph,...
Curated OER
Constructing and Measuring Angles
Fifth graders complete an introduction to the Geometer's Sketchpad software. They explore various beginning functions and practice using required tools. Using the sketchpad, 5th graders measure given angles. They complete follow-up...
Curated OER
Mr. Cobbler's Shoe Dilemma
Students employ statistics to solve real-world problems. They collect, organize and describe data. They make inferences based on data analysis. They construct, read, and interpret tables, charts and graphs.
Curated OER
Leaping Lemurs! How far can you jump?
Students watch a segment of the PBS video which show the lemurs' ability to jump. In pairs, students collect measurement data involving each other's length of a standard step, a standing broad jump, and a long jump. They record their...
Curated OER
Bisectors of Triangles
In this geometry worksheet, 10th graders solve problems involving the perpendicular bisectors and angle bisectors of a triangle and their points of concurrency. The one page worksheet contains sixteen questions. Answers...
Alabama Learning Exchange
Trapezoids: What's Equal or Right About Them?
Pupils explore the concept of trapezoids. In this trapezoids instructional activity, young scholars identify legs and bases of a trapezoid. Pupils discuss the similarities and differences between isosceles trapezoids and...
Curated OER
Perfection on Ice!: Math, Geometry, Fibonacci Numbers, Olympics
Learners use the human body as a foundation for gaining practice in measuring angles and calculating ratios and proportions.
Curated OER
Investigating the properties of a circle
Students use wax paper to look at different properties of circles such as chords, tangent lines, inscribed angles, and inscribed angles in a semi-circle, as well as finding the center of the circle, and use GSP to investigate cyclic...
Curated OER
For Better or Worse: Cultural Exchange
Students participate in a cultural exchange program with a Native American school in Winnebago, Nebraska. They conduct research on a variety of Native American tribes, prepare a presentation that represents the culture of their school...
Curated OER
Exploring Arrangements of 2, 3, 4, and 5 Cubes
Pupils construct models of various tricubes, tetracubes, and pentacubes that are possible, classify n-cubes into different groupings, and draw these figures on isometric dot paper giving true perspective to what they visualize.
Curated OER
Making a Mountain Out of a Snow Hill: Skiing, Winter Sports, Economics, Business, Problem Solving
Students explore how to select among choices of variables and analyze the cost-benefit ratio of their short and long term planning in a team activity as they consider the planning and operation of a ski slope.
Curated OER
Speed Is the Key
Students design and build a model downhill ski course that proves to be the fastest course at the Finish Line. They apply what they explore angles, slope, speed, and surface conditions to find the fastest course in the US.
Curated OER
Columbian Contexts
Students explore geo-political and economic contexts for the European Renaissance journeys of exploration, including those of Columbus, create cartographic symbols, and add those symbols to a print-out of Ptolemy's map.
Curated OER
PASS the Arts
Students explore math and art concepts, create digital art examples of the concepts, and incorporate these works into a PowerPoint portfolio with explanation and analysis.
Curated OER
Mariner's Compass Quilts: New Directions
Students follow the steps of creating Mariner's Compass blocks using two different methods, freezer paper templates and paper foundations. Then they draft their own original full size block on freezer paper.
Curated OER
Beaches of the Delaware Estuary
Middle schoolers examine estuaries in Delaware. They, in groups, gather samples of water to find organisms and identify them.