Lesson Plan
Curated OER

Maps and Modes, Finding a Mean Home on the Range

For Teachers 5th
Fifth graders investigate data from maps to solve problems. In this data instructional activity, 5th graders study maps and collect data from each map. Students present their data in a variety of ways and calculate the mode, mean,...
Lesson Plan
Curated OER

What Does It Cost to Use It?

For Teachers 9th - 12th
Pupils investigate how electrical usage is counted. In this electricity lesson, students research an electric bill and define terms such as watts and kilowatts. Pupils calculate the average electricity cost per year by using a...
Lesson Plan
Curated OER

Explore Surface Types on a Journey Around Earth

For Teachers 5th - 8th
Students explore satellite data. In this technology cross-curriculum math and world geography lesson, students locate specific map areas using a microset of satellite data. Students use technology and math skills to determine percentages...
Lesson Plan
Curated OER

A Cone and Its Net

For Teachers 6th - 10th
Create and investigate nets for solid shapes with your class. They identify the different parts and faces of each polygon and solid then calculate the surface area and volume of cones. They use circle sectors of varying sizes to build...
Lesson Plan
Curated OER

Classroom Supplies

For Teachers 3rd - 4th Standards
Challenge young mathematicians to buy classroom supplies by staying within the means of a $1,000 budget. The mathematical activity provides learners with the opportunity to decide what items from the supply list would benefit a class of...
Lesson Plan
Curated OER

Big Wheels Keep on Turning

For Teachers 11th
Eleventh graders work in groups and investigate how force determines the speed and distance then they view the video, "Math Vantage #7: What's Your Angle?." They are given a real life problem to solve using speed, ramps, angle, incline...
Lesson Plan
Curated OER

Exploring Linear Equations

For Teachers 8th
Eighth graders follow the teacher as they enter information into the graphing calculator. They investigate different graphs to explain the slope of a line, the y intercept, and parallel lines.
Lesson Plan
Curated OER

Counting Your Loot!

For Teachers 6th - 10th
Pupils calculate the value of a given amount of gold and silver. They convert amounts of U.S. dollars to other currencies. Students must locate the country that the foreign currency involves on a world map.
Lesson Plan
Curated OER

Math Lesson: How Many People Live There?

For Teachers 9th - 12th
Students are able to calculate the population density of a country, and calculate the population density of large cities in that country. They are able to create an appropriate graph to represent their data for that country.
Lesson Plan
Curated OER

Tortillas

For Teachers 6th - 8th
Young scholars convert recipes for tortillas. They calculate the amounts of ingredients as they convert recipes and write an explanation of the task to demonstrate their calculations. After reviewing their calculations, they demonstrate...
Lesson Plan
Curated OER

Segments Formed by Intersectiong Chords, Secants, and Tangents

For Teachers 9th - 12th Standards
Learners investigate the properties of segments formed which chords, secants, and tangents, intersect. The dynamic nature of Cabri Jr. allows students to form and verify conjectures regarding segment relationships.
Lesson Plan
Curated OER

Rhinos and M&M's

For Teachers 9th - 12th
Young scholars analyze patterns of exponential models by collecting data in paper folding and M&M investigations. They use graphing calculators to create scatter plots that lead to equations for the exponential models. They then...
Lesson Plan
Curated OER

The Wonderful World of Waves (Wave Basics)

For Teachers 9th - 12th
Students define amplitude, wavelength, frequency, and period, calculate period given frequency, and calculate frequency given period, define crest and trough and locate both on diagram of wave, differentiate between latitudinal and...
Lesson Plan
Curated OER

Midsegments of Quadrilaterals

For Teachers 9th - 12th Standards
High schoolers explore the concept of quadrilaterals as they find the midsegments of quadrilaterals using Cabri Jr. on a graphing calculator. They find midpoints, slopes, angles, and distances of lines and angles.
Lesson Plan
Curated OER

Teaching about Heat Budgets of Lakes

For Teachers 9th - 12th
Students investigate how much energy is stored in lake water as latent heat, calculate how much latent heat is exchanged with the atmosphere, and consider the effects of heat gain and heat loss on the surrounding environment.
Lesson Plan
Curated OER

The Slope of a Line

For Teachers 9th - 12th
Students define the slope of a line as rate of change. They investigate positive, negative, zero, or undefined slope using a graphing calculator. They determine the slope of a line when given the equation of the line.
Lesson Plan
Curated OER

Ratios in Right Triangles

For Teachers 9th - 12th Standards
Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
Lesson Plan
Center of Excellence for Science and Mathematics Education

A Sick Astronaut

For Teachers 6th - 8th Standards
Aspiring astronauts graph, interpret, and analyze data. They investigate the relationship between two variables in a problem situation. Using both graphic and symbolic representations they will grasp the concept of line of best fit to...
Lesson Plan
Curated OER

TI-89 Activities for PreCalculus and AP Calculus

For Teachers 9th - 12th Standards
Using the TI-89 calculator, students explore the statistical, graphical and symbolic capabilities of the TI-89.  Students investigate topics such as solving systems of equations, finding inverse functions, summations, parametrics...
Lesson Plan
Curated OER

Perpendicular Bisector Theorem

For Teachers 9th - 12th Standards
High schoolers construct perpendicular bisectors using Cabri Jr. on their graphing calculator. They then construct conditional statements about perpendicular bisectors along with their converse, inverse, and contrapositive.
Lesson Plan
Curated OER

Properties of the Centers of a Triangle

For Teachers 9th - 12th Standards
High schoolers investigate properties of the four centers of a triangle and explore a special property of the circumcenter and orthocenter of a triangle. This lesson requires the use of Cabri, Jr.
Lesson Plan
Curated OER

Similar Triangles and Proportions

For Teachers 9th - 12th Standards
Pupils investigate similar triangles and proportions as they make conjectures about the length of sides of similar triangles. For this lesson, have your class construct similar triangles using Cabri Jr so that they share a common vertex.
Lesson Plan
Curated OER

Curve Fitting

For Teachers 8th - 12th Standards
Pupils investigate linear, quadratic, and exponential regressions. They plot sets of data points, determine the regression equation that best fits the data and lastly investigate the coefficient of determination.
Lesson Plan
Curated OER

Angles of a Triangle

For Teachers 9th - 12th Standards
Learners explore the measures of the angles of a triangle in this geometry lesson plan. They use Cabri Jr. to investigate the sum of the measures of the interior angles of a triangle, and examine the relationships between the interior...