Curated OER
Percent Word Problems
In this online worksheet, students will solve 10 problems involving percents. Answers can be accessed by clicking hint or check.
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Summer Preparations for a Grade Level Change
Changing grade levels can be a positive experience for new and veteran teachers alike.
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NUMB3RS - Season 3 - "Provenance" - Set the Trap
Learners investigate concept of matrices through iteration in this probability instructional activity. They investigate probability by creating a instructional activity based on a famous painting. This assignment...
Texas Instruments
2B or not 2B a Functions
Learners use their graphing calculators to view graphs of equations. They tell if each equations is or is not a function and are shown pre-set graphs on their graphing calculators. They use the Quick Poll feature to indicate if the graph...
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Money and Banking
Young scholars investigate percents and interest. In this algebra lesson plan, students invest money in a bank account and calculate the interest rate they receive over time. They convert percents to decimals and solve problems using...
PBS
Snowboarding Women Making History: Winter Sports, Gender Roles in Sports, Biographies
Students will explore biographical Web pages about women who are competing in snowboarding. They will compare and contrast the experiences of these women, and design interview questions to be submitted via email.
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Graphing
Students collect data to create different types of graphs-line, pie, and bar graphs. They use StarOffice 6.0 to create graphs.
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"Going Camping"
Students review the difference between "wants" and "needs." Students apply acquired knowledge by preparing for a pretend camping trip. Students plan out their trip together and then revise their list twice.
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When the Snow is as High as an Elephant
High schoolers study the concept of mean values using a data plot. Learners enter the given data in the activity to create their data table. They use the data table to calculate the mean of the snowfall percentage provided in the...
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Augmented Matrices
Pupils write systems of equations in an augmented matrix and enter it into their calculator. They use the reduced row echelon function on the calculator to solve the system of equations.
Texas Instruments
Graphing Calculator Investigation Graphs of Relations
Learners investigate relations in this algebra lesson. They graph the set of ordered pairs that determine a relation. Using a TI-83 Plus, your learners will enter the coordinates in a list, create a scatter plot, and manipulate the...
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Graphing Rational Functions
Learners complete an activity, included, of the information on asymptotes and intercepts. They also solve and complete eight questions on graphing rational functions, file included. Finally, pupils summarize vertical asymptotes,...
Texas Instruments
Confectionery Delight
High schoolers explore the problem of maximizing the volume of a box by making a physical model and observing how changes in the orientation of the paper changes the volume. They use the symbolic capacity of their calculators and...
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Implicit Differentiation
Pupils explore the concept of derivatives. They use implicit differentiation to determine points on a graph where a tangent line is horizontal, vertical, or oblique. Finally, learners find the derivative of a polynomial by...
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Shortest Path
High schoolers explore an application of definite integrals. They graph three functions that go through the same three points. Learners use the symbolic capacity of their calculators to find the shortest path through the three points and...
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The Region Between Two Curves
Learners find the area of a region between two curves. They integrate functions such as sin(x) and cos(x) on a given interval and find the area bounded by the two functions. Pupils use their TI-89 to aid them in finding the bounded...
Texas Instruments
Quartic Regions
Young scholars explore quartic functions in this calculus lesson. They investigate an application of derivatives and definite integrals, then explore the question of which of the "three bumps" of a quartic is the largest.
Texas Instruments
Cylindrical Soda Can
Young scholars explore an application of differentiation in this calculus lesson. They investigate the ideal dimensions for a soda can and, using the symbolic capacity of the Ti-89, investigate the dimensions of the can which has the...
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Circles all Around
Students investigate circles. In this middle school mathematics lesson, students explore the relationship between the diameter of a circle and its circumference.
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Pyramid Activity
Pupils explore the concept of pyramids. They determine if two sides of a pyramid are perpendicular using a graphing calculator, then discuss parallel and perpendicular lines and how to determine if two lines are parallel or...
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Advanced Algebra with the TI-89
Pupils investigate the formulas for volumes of various solids using the Ti-89 calculator. The lesson focuses on the keying sequences necessary to embed the required volume formula in a program which is then used in the problem solving...
Texas Instruments
NUMB3RS Activity: Narrowing the Search
Students explore the length of an n-dimensional vector. In this Algebra II/Pre-calculus lesson, students investigate an expansion of the Pythagorean Theorem to n-dimensional space.
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Making Good Money Choices
Learners determine how to spend donated money. In this money choices instructional activity, students explore the needs of the community. They determine the best use of donated funds for a good cause or charity. Learners play a bingo...
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Keeping Watch on Coral Reefs
Students investigate the dangers Coral Reefs face by investigating satellite images. In this environmental protection lesson, students utilize the Internet to discover the types of satellites and sensors used to provide...