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Transposition Cryptography
Students differentiate the types of cryptosystems and use them to communicate privately. In this algebra lesson, students use substitution and transposition to identify the cryptographs. They send and receive cryptograms as they try to...
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Systems of Equations
Pupils solve inequalities and systems of equations. In this algebra instructional activity, students use substitution and elimination as they solve algebraic systems. They use graphing and a table to support their solutions.
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Transformers
Students use transformation to move the graph around. In this geometry lesson, students observe transformation of symmetry groups. They use the TI to move the sides of the polygons around and make predictions.
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Finding The Circumference Given The Radius
Students develop an understanding of pi and the relationship between the diameter, radius and circumference. After a lecture/demo, students use construction paper and a compass to solve problems using diameter, radius and circumference.
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Everybody Needs a Rock
Students, after making quantitative and qualitative observations of their rocks, construct a Venn diagram or dichotomous key to classify their rocks.
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Systems of Word Problems
Ninth graders investigate systems of linear equations. In this Algebra I lesson plan, 9th graders explore word problems that can be solved by using a system of equations. The problems involve such topics as cell phone usage, gym...
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SHHH It's a Secret
Students rewrite word problems using expressions and equations. In this algebra instructional activity, students use the correct variable to solve and write equations. They use the TI to graph their solution.
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Exploring Area/Perimeter Through Coordinate Geometry
Students explore area and perimeter through coordinate geometry using student literature, hands-on manipulatives, and the Internet.
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Cryptography Implementation
Students explore cryptology. They write a research paper on cryptography. Using linear equations, students invent a code and write a secret message. Students complete cryptography puzzles.
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MT-A315I introduction to Linear Algebra
In this linear algebra activity, students apply the basics of algebraic reasoning to evaluate different expressions looking for the pattern of finding the unknowns.
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Trimmed Aircraft
Students, after reading an explanation from a NASA Web-based textbook, demonstrate an understanding of the text by applying it to the calculations involving the motion of an airplane.
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Aircraft Motion
Young scholars, after reading an explanation from a NASA Web-based textbook, demonstrate an understanding of the text by applying it to the calculations involving the motion of an airplane.
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Aircraft Motion
Pupils, after reading an explanation from a NASA Web-based textbook, demonstrate an understanding of the text by applying it to the calculations involving the motion of an airplane.
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Choosing a Summer Job
What did you do over your summer vacation. Young wage earners must compare summer job options, and determine when each job earn the same amount and what that amount be. This be done by creating, graphing, and solving systems of...
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Finding the Measure of Segments
Students observe and solve examples of betweenness, ruler postulate, and segment addition postulate. They complete the Finding the Measure of Segments worksheet using the distance formula.
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Forces in a Climb
Students use a NASA website to use a given formula to find acceleration and distance after a specific time and how it relates to engine propulsion.
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Equations and Systems of Equations
Pupils practice using algebra to be applied to real world situational problems. The key concepts of translation of language to algebraic expressions is covered. They also look in depth at relationships between different quantities.
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Linear Inequalities - Parallelogram Problem
Students use the Geometer's Sketchpad to illustrate possible answers to a parallelogram problem. As a class, they discuss the point-slope and linear equation forms. Individually, students solve their equations and check the results on...
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Steady-State Circuit Analysis & Filter Design
Scholars identify how the TI-89 implements phasors to perform sinusoidal steady-state analysis. The focus is on how to enter and display complex numbers. They also show how a typical steady-state application how to use the Numeric Solver...
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Linear Regression on TI-89
In this linear regression instructional activity, learners use the TI-89 calculator to graph linear regressions. Details instructions on the use of the calculator are provided. This one-page instructional activity contains six problems.
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The Mandelbrot Set
Students explore the concept of Mandelbrot sets and Julia sets. In this Mandelbrot and Julia set lesson, students use a function integrator applet to investigate two-variable function iterations. Students use Julia set and Mandelbrot set...
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Count the Differences
Pupils find the difference between consecutive y-values on the calculator and write an equation that fits the data. They continue finding the differences in consecutive y-values using lists on their calculator. Learners conclude as they...
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The Right Angle
In this algebra worksheet, students rewrite word problems using an algebraic equation to find the answer. There are 14 questions with an answer key.
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The Right Angle
In this geometry activity, 10th graders determine the answer to a vocabulary questions and then follow the give rules to place the answer in the appropriate place on the crossword grid. The one page activity contains 18 questions. ...