Centers for Disease Control and Prevention
Diseases
During a cholera outbreak, scientists presented two theories; one theory was based on miasma and the other on germs and contaminated water. The lesson looks at the scientific process for finding the real culprit.
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Concurrence
In this concurrence learning exercise, 10th graders solve 10 different problems related to determining various concurrences. First, they determine which type of triangle has two altitudes outside of it. Then, students determine the...
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Studying Special Segments in Triangles
Students investigate special segments in triangles. In this geometry lesson, students graph, compare, estimate and predict findings based on their data. They differentiate between similarity and congruence of triangles.
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Min/Max Problems - Week 13
In this minimum and maximum worksheet, student find the maximum and minimum values of given functions. They determine the largest and least altitude of a scalene triangle under given conditions. Students find the largest value of pairs...
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Regular Pyramids
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid. The one page worksheet contains a combination of three multiple choice and free response questions. Answers are...
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Pyramids
In this Geometry worksheet, 10th graders solve problems involving the properties of a regular pyramid. The two page worksheet contains a combination of seven multiple choice and free response questions. Answers are...
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Physics Lab Rockets
Students construct and test balloon rockets and a model rocket. In this rocket science lesson, students use an inquiry-based method to master balloon rockets and have a shoot-off with the goal of attaining the highest altitude. Next,...
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Graphing Trig Functions
In this graphing trigonometric functions instructional activity, 11th graders solve and complete 10 various types of problems. First, they graph each functions as shown. Then, students find the domain in each given function. In addition,...
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Lines In Geometry
Students define important vocabulary words using a dictionary. In this geometry lesson plan, students identify and use properties of triangles to solve problems. They identify the median. altitude and angles as well as properties of...
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The Geometry of Means
For this geometry worksheet, students are given a rectangle and a square. They verify ratios when given equal perimeters or areas. Students are given adjacent squares. They find the distance between the centers, and identify the means...
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Quiz: Area of Polygons and Circles
In this area activity, students compute the area of each of ten specified shapes. Seven of the shapes are quadrilaterals, one is a circle, and two shapes are triangles.
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Trigonometry Applications
In this geometry worksheet, 10th graders solve application word problems involving the use or right triangle trigonometry, including angle of elevation or depression. The one page interactive worksheet contains five questions. Hints,...
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Exploring Geometric Mean
Students solve problems using geometric means. In this geometry lesson plan, students create altitudes in right triangles. They use Cabri software to move the triangle around and observe different sides and angles.
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The Search for Pythagoras' Treasure
Students identify and define properties of triangles. In this geometry lesson, students identify the missing sides and angles of right triangles. They use the rules of the Pythagorean Theorem to solve their problems.
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Math Honors 2: Trigonometry Review Questions
In this Algebra II/Trigonometry worksheet, students solve problems involving angle of depression or elevation, evaluate trigonometric expressions, solve trigonometric equations, and graph trigonometric functions. The one page worksheet...
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Soccer Problem
Learners solve problems with triangles. In this geometry lesson plan, students use the properties of triangles to solve problems. They identify the median, altitude and side vs angle relationship.
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Math: Equal Area Triangles
Students examine a math worksheet and determine how to divide a single triangle into four of equal area. Using geometric principles, they sketch two additional ways to divide into into four equal triangles. To conclude, students...
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Exploring Special Segments in Triangles
Students discover that four special segments have a common intersection point. They identify the position of the intersection point in triangles. They produce conjectures about areas of the divided triangles.
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Scaling Down the Pyramids
Students construct three-dimensional models of the three pyramids at Giza. They research the building of the pyramids and record the height, base and angle measurements of each pyramid. They create a file of facts regarding the pyramids.
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Midpoints and Bisectors
In this geometry activity, students calculate the midpoints of polygons using coordinate pairs. They find the angle bisector, altitude and median of the given triangles. There are 33 questions.
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Basic Theorems and Proofs
In this pre-calculus activity, 11th graders recall the three forms of the law of cosines and used it to solve problems involving triangles. They also write out the laws of sines and use those to solve problems with angles. There are 15...
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Pre-Calculus Sudoku Puzzle
In this pre-calculus worksheet, student solve 35 multiple choice problems and then place the answers in a Sudoku puzzle form. This worksheet would be a great warm up or fun test review.
Bytes Arithmetic
Geometry Pad+
Graphing paper, pencil, ruler, protractor, and compass, all get replaced or supplemented with this dynamic geometry application. Here, you can create, move, and scale many different shapes, as well as, explore and change their properties...
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Math Lesson Plan #2: Real Life Problems
Tenth graders solve problems using the tangent of angles using the flagpole and its shadow as references.