Students use Cartesian coordinates. In this graphing lesson students use simple formulae, interpret coordinates, and create graphical representations. They express their work algebraically.

Students explore the concept of the corner problem. In this corner problem lesson, students use the TI-NSpire to determine the maximum length a rod can be and still pass horizontally around a corner. Students use similar triangles to...

In this trigonometry instructional activity, students prove that for the given conditions of the problem that cos y = cos2 x.  The one page instructional activity contains one problem with the solution. 

In this angles instructional activity, students utilize trigonometry to determine angles of elevation and depression. There are 7 questions and some contain pictures.

The students compare themselves and their shadows to various objects big and small. Students use their data to set up proportions to solve.

Eleventh graders investigate the way credit cards work when collecting interest. In this algebra lesson, 11th graders investigate the growth of interest exponentially when using a credit card. They calculate what the cheapest rate is to...

For this trigonometric ratios worksheet, learners solve 20 short answer and multiple choice problems.  Students use trigonometric ratios, the angle of depression, and angle of elevation to find missing side lengths of angles of a...

Second graders use blocks to show the addition and subtraction of fractions with common denominators. They identify the steps in these functions and complete a worksheet.

Students build parallel circuits, exploring how they function and looking at their unique features. They describe how current changes when batteries are added in parallel or removed from a parallel arrangement, demonstrate the process of...

Students solve story problems using a spreadsheet in combination with various problem-solving strategies. Working in teams of three, students create attempt to solve a story problem using three different methods; using manipulative,...

Eighth graders participate in two data collection activities that involve direct and inverse variation. In the pre-assessment, 8th graders categorize numerical, graphical, and verbal representations as linear or nonlinear and determine...

Students investigate error. As shown in earlier activities from navigation lessons 1 through 3, without an understanding of how errors can affect position, one cannot navigate well. Students explore how computers can help in navigation....

Students calculate the costs for lodging and meals for a virtual field trip. They calculate the number of nights lodging needed for road and city travel and the number of meals needed, the costs for each, and input the data using...

Learners use knowledge of area and volume to explore minimum and maximum. They create models and determine a "best" shape for getting the maximum volume or minimum area.

Young scholars explore a variety of functions. They recognize and describe functions and use linear functions to describe situations. Students find the domain and range of linear functions and graph rational expressions.

Third graders explore the attributes of 3-dimensional shapes. In this shapes lesson, 3rd graders examine faces, edges, and vertices of 3-dimensional shapes as they construct shapes using marshmallows and toothpicks.

Students calculate the mileage, gasoline costs, and travel time and costs for a vacation. They conduct a virtual field trip, and create a comparison graph of costs using Microsoft Excel software.

Students explore basic algebraic operations to solve real life situations. Additional problems are presented to continue the exploration of the concept.

Students analyze graphs to compare cell phone plans. For this algebra lesson, students work together to analyze phone plans and report the best phone plan. Students develop tables and graphs.

Students explore inequalities. In this Algebra I instructional activity, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division.  Students use inequalities to solve and graph...

Students collect data and create a graph. In this algebra instructional activity, students describe functions graphically, algebraically and verbally. They identify functions as being independent and dependent using variables.

Students calculate the area and perimeter of a basketball court. In this geometry instructional activity, students differentiate between similarity and congruence of geometric objects. They test conjectures and use it to solve problems.

Pupils analyze velocity and how it is determined. They experiment with velocity in order to measure and calculate the magnitude of speed. They use examples in their novel "Skateboard Renegade" to relate velocity to real life situations.

Learners experiment with a converging lens. They observe the image of an object through a lens. They determine the magnification of the lens.