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Worksheet
Curated OER

Solar Flare Reconstruction

For Students 10th - Higher Ed
In this solar flare reconstruction worksheet, students read about the 'saturation' point of satellite detectors when solar flares are at their most intense phase of brightness. Students are given x-ray flare data and they re-plot the...
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Worksheet
Curated OER

Circles Terminology Multiple Choice

For Students 9th - 12th
In this circles worksheet, students solve 10 multiple choice problems. Students answer questions about diameter and chord relationships, tangent lines to a circle, circumference, the Pi relationship, etc.
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Lesson Plan
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The Tipping Point

For Teachers 9th - 11th
Students rewrite word problems and solve using math. In this word problem lesson, students gather data and observe the data. They relate this process to the scientific method and math. They review their data to be able to answer...
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Worksheet
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Geometry: Calculating Perimeters

For Students 9th - 12th
In this perimeter activity, students find the perimeter of 3 polygons. Students find the perimeter of irregular polygons given various side lengths.
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Lesson Plan
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Cost Calculations Lesson Plan

For Teachers 10th - 11th
Learners analyze data using graphs and equations. In this algebra instructional activity, students calculate the cost of lumber, convert price per foot to price per piece, solve equations using addition and subtraction and give exact...
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Lesson Plan
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How High Is That?

For Teachers 9th - 11th
Students explore the National Spatial Reference System. For this vertical position lesson, students will discuss the use of vertical position data and solve practical problems involving geographic positioning.
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Lesson Plan
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Triangle Sum Theorem

For Teachers 10th
Tenth graders investigate the theorems of angles and lines to prove triagle sum theorem. In this geometry lesson, 10th graders discuss the theorems of triangles and how it is used to solve for missing sides or angles. They review how two...
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Worksheet
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Calculus Games

For Students 11th - 12th
In this calculus worksheet, students rewrite a word problem using algebraic symbols and calculate the derivative of a function to find the correct solution. There are 20 matching questions with an answer key.
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Lesson Plan
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Polyhedra

For Teachers 9th - 11th
Learners analyze convex polyhedra through hands on methods. In this geometrical shapes lesson, students construct paper models of convex polyhedra and identify the different properties including the number of sides, faces and edges.
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Lesson Plan
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Slopes of Perpendicular Lines

For Teachers 10th
Tenth graders investigate slopes and perpendicular lines using the TI. In this geometry lesson, 10th graders graph perpendicular line on the Ti and adjust to explore the slope. This assignment can also be done on graph paper
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Lesson Plan
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Estimating With Fire

For Teachers 7th - 9th
Students solve problems with percents, decimals and fractions. In this algebra instructional activity, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
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Lesson Plan
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Properties of Logarithmic Functions

For Teachers 8th - 10th
Students solve exponential functions. In this algebra lesson, students identify the properties of logarithmic and exponential functions. They graph their functions and solve using change of base formula.
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Worksheet
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Geometry: Calculating Area

For Students 7th - 9th
In this calculating area worksheet, students find the area of complex shapes. This one-page worksheet contains 6 multi-step problems.
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Lesson Plan
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Pythagorean Theorem

For Teachers 9th - 11th
Students solve problems using the Pythagorean Theorem. In this geometry lesson plan, students identify the sides and angles of a right triangle. They find the different trigonometric ratios and solve using sine, cosine and tangent.
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Lesson Plan
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Play Dough Day

For Teachers 12th
Twelfth graders build a model of the following figures with the base from column I and the cross-section from column II. Draw the base with labeled axes on the graph paper and construct the figure on top of the base with the play dough...
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Worksheet
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Calculating Surface Area

For Students 7th - 9th
In this surface area worksheet, learners find the surface are of cubes and rectangular prisms.  This one-page worksheet contains 3 problems.
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Lesson Plan
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Cafeteria Mayhem

For Teachers 9th - 12th
Students design a cafeteria floor plan. In this area and perimeter lesson, groups create an efficient lunchroom layout on poster board by using geometric shapes and formulas as the basis for their designs. In the accompanying writing...
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Lesson Plan
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The Quadratic Formula

For Teachers 7th - 10th
Students solve quadratic function by completing the square. In this algebra lesson plan, students use the quadratic formula to factor quadratics and find the roots. They graph the parabola and identify its properties.
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Lesson Plan
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Fly, Fly Away

For Teachers 9th - 12th
High schoolers use materials from their own environment to design a kite. In this kite design lesson plan, students research the history of kites and obtain a formal mathematical definition of a kite. High schoolers sketch kite designs...
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Lesson Plan
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Roll It! Creating an Entrance Ramp

For Teachers 9th - 12th
Learners explore the concept of triangles.  In this triangles lesson, students are to propose a plan for a ramp at their school.  Learners use the Pythagorean Theorem and trigonometry to determine the length, height, and angle of the...
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Lesson Plan
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Troublesome Towers

For Teachers 8th - 10th
Students observe solids and identify parts that make up the surface area. In this geometry lesson plan, students calculate the surface are of solids and cones. They find polygons and solids in the real world.
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Lesson Plan
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Fractals and the Chaos Game

For Teachers 9th - 12th
High schoolers explore the concept of fractals. In this fractals lesson, students play the "Chaos Game" via an applet. High schoolers place dots on the screen to recognize that they have created Sierpinski's Triangle.
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Worksheet
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Similar Right Triangles-Introductions to Trigonometry

For Students 9th - 10th
In this geometry worksheet, students examine similar right triangles as the basis for the foundation of trigonometry. Students define the basic trigonometric functions and use a calculator to find the trigonometric value of an angle. The...
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Worksheet
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Ten Trigonometric Review Problems - Calculator Required

For Students 11th - Higher Ed
In this trigonometry review worksheet, students convert between radians and degrees, sketch angles, evaluate trig. functions, solve for missing angles, and find the functions that satisfy the given conditions.