Mathematicians are introduced to Cramer’s Rule and use it to solve three systems that have one solution, no solutions, and an infinite number of solutions.  Students use TI-Nspire to graph the systems to verify their answers and...

High schoolers find the roots of quadratic equations. In this algebra lesson, students solve radical equations and identify the positive and negative roots. They graph and analyze their functions.

Students engage in a fun, creative way to discover how the Earth moves. This lesson helps students explain why there is day and night. It can also create curiosity to further study the solar system and eclipses!

Two students are blindfolded and each receives a cardboard square, one with pompoms glued around the edge and one with pompoms glued all over the surface. They identify what they feel. The class discusses perimeter and area of polygons....

Elementary learners discover counting through a counting chart. In this math lesson, students identify numbers 1-100. They then point or recite their counting numbers.

High schoolers graph Taylor polynomials. In this calculus instructional activity, students relate accuracy of a Taylor polynomial to the degree of the equation. They graph their polynomials using the TI calculator.

Young scholars solve problems using the GCD and LCM. In this algebra lesson, students factor and simplify equations using the greatest common and least common factors and multiples. They factor integers in pairs.

Students solve equations. In this algebra instructional activity, students relate solving equations to a balanced scale. They add, subtract, multiply and divide on both sides to keep the scale balanced.

Learners identify the different angles and sides of a triangle. In this geometry lesson, students identify the six trigonometric ratios. They graph the graph of each trig function and analyze it.

Young mathematicians learn to write algebraic equations. They solve and graph different polynomial functions with different powers. They then graph radicals and identify the domain and range.

Using the TI calculator to visualize and make predictions, students perform transformation vertically and horizontally on logarithmic graphs in order to solve problems.

Students explore the many adaptations desert animals have made to survive in their challenging habitat. They use this information to invent new creatures well-suited for desert life.

Students discover where certain states are located and what the look like. They look for their information on a web site. Each student is assigned a state which they must research then present to the entire class.

Students get a handle on their own personal finances. They discover how banks work, how to plan and stick to a budget, and other helpful tips on managing money. They study the Federal Reserve System, which oversees the nation's banks.

Learners use the Internet to research energy efficient appliances. They discover tips on how to save energy in the home and how to read the EnergyGuide labels. They also examine ways to reduce the amount of water that is used.

Students work together to gather information about the EPA's Superfund program. They discuss how to improve human health and the environment. They discover how hazardous wastes are characterized and cleaned up.

Students examine how laws on hazardous waste is developed and enforced. They work together to discover how statutes are passed as well. They complete an activity to end the lesson.

Learn to calculate the nth term of a sequence defined by an algebraic expression. They examine geometric sequences and series, relate geometric sequences to their explicit forms, find the partial sums of a sequence in a table, and...

Learners review and discuss what context clues are and then read six sentences and paragraphs and circle the correct context clue for each one.

In this mining and nonrenewable resources worksheet, students read about mining in Texas and simulate the extraction of nonrenewable minerals. They use cookies and their components to represent the minerals they will mine and they answer...

In this recognizing facts about the state of Michigan instructional activity, students read factional phrases and choose the person, place, or thing being described. Students answer 10 multiple choice answers.

Fourth graders discover facts about rice and how it is farmed. In this rice research instructional activity, 4th graders investigate how much rice is eaten in the United States compared to other countries. Students research countries and...

In this algebra activity, 11th graders apply ellipses to real life scenarios such as football, satellite and planet orbits. They discuss a variety of way sto apply ellipses.

Young mathematicians calculate the area of polygons in this algebra lesson. They find the determinant as they calculate the areas for triangles and quadrilaterals. They also use scalar multiplication to find the determinant.