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The Sum of All Angles

For Teachers 7th - 10th
Students add up the different angles using the angle addition postulate. In this geometry lesson, students differentiate between interior and exterior angles. They calculate the different angles for triangles and use proof to show their...
Lesson Plan
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Acrostic Animal

For Teachers 2nd
Second graders listen as the teacher describes how an acrostic poem is written. They research an endangered animal of Puerto Rico. Students write an acrostic poem as a class, and then individually about the animal they research. Students...
Worksheet
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Writing Letters and Notes

For Students 5th - 6th
For this Language Arts worksheet, students choose one of seven topics to write about. Students are reminded to think about purpose, structure, audience, and content. Students complete a web, revise, and proof read their writing.
Worksheet
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Math 312 Spring 2004: Complex Numbers

For Students 12th - Higher Ed
In this complex numbers worksheet, students complete proofs for complex numbers, sketch points which solve an equation, compute and sketch an Argand diagram. This two-page worksheet contains five multi-step problems.
Worksheet
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Alternating Series Test

For Students 11th - Higher Ed
In this math worksheet, students practice using the series test for convergence. Then they look at the proofs to see if the series satisfy the conditions.
Worksheet
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The Chain Rule and Applications

For Students Higher Ed
In this chain rule worksheet, students use the chain rule to differentiate compositions, and determine the value of the limits. They give reasons justifying each step of the chain theorem. This six-page worksheet contains theorems,...
Worksheet
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Geometry: Angles

For Students 11th - 12th
In this angle learning exercise, students find the value for a given variable. They use similar figures, alternate interior angles, side angle side, and other geometric theorems and proofs to determine the value of the given variable....
Worksheet
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Chapter 4.5 Geometry Practice Problems

For Students 10th - 11th
In this geometry practice problems worksheet, students write geometric proofs to prove the validity of given circumstances. Students prove parallel lines, perpendicular lines, and similar angles. This four-page worksheet contains eight...
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Animal Tracks

For Teachers 6th
Sixth graders practice using logic and scientific proof while examining animal tracks.  In this scientific method instructional activity, 6th graders identify different animals and the type of tracks they leave behind by observing...
Worksheet
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Primes and Prime Factors

For Students 8th
In this primes and prime factors worksheet, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they complete each...
Worksheet
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Geometry Concepts and Applications

For Students 10th
For this concepts and applications review worksheet, 10th graders solve and complete 40 various types of multiple choice problems. First, they write the equation of a vertical line passing through a point. Then, students find the...
Lesson Plan
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Inequalities and Triangles

For Teachers 9th - 10th
Students prove and apply theorems of triangle inequality and hinge theorem. In this geometry lesson plan, students will discuss which triangle is bigger and why. They will use theorems, such as Exterior Angle Inequality or the...
Worksheet
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Challenge: Skills and Applications Lesson 1.3

For Students 10th - 12th
In this skills worksheet, students explain the Segment Addition Postulate, provide examples and counter examples and determine congruent line segments.  This one-page worksheet contains 11 multi-step problems.
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Points, Lines and Planes

For Students 10th
In this points, lines and planes instructional activity, 10th graders solve and complete 9 various types of problems. First, they name the planes that intersect a figure shown. Then, students determine the points that are collinear and...
Activity
Illustrative Mathematics

Global Positioning System II

For Teachers 9th - 12th Standards
Intricate details of a modern technology that many of us take for granted in our phones, computers (and some cars) are laid bare in a short but deeply investigative activity. The math behind a seemingly simple GPS device...
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How Sharp Is Your Memory?

For Teachers 8th - 10th
Students play a memory game as they explore reasoning. In this algebra instructional activity, students identify concepts using pictures and words. They model real life scenarios using hands on manipulatives.
Lesson Plan
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Visual Structures of Postulates and Axioms in Algebraic Operations

For Teachers 9th - 12th
Pupils investigate Axioms and Postulates. In this proof and linear transformation of equations activity, students explore axioms and postulates to solve linear equations. Pupils construct game cards to analyze the linear transformation...
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Animal Track Mural

For Teachers K
Students create a mural depicting who they are. They observe and describe animals in their local environment and relate themselves to an animal. They also discuss how animals show proof of them being in a certain area.
Lesson Plan
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Application of Delta-Epsilon Definition of the Limit

For Teachers 9th - 12th
Students investigate the concept of a Limit and how it is used in a variety of problematic situations. They fold paper to help illustrate how to form equilateral triangles and explain how all the angles are the same. The lesson includes...
Lesson Plan
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Derivatives of Exponential Functions

For Teachers 10th - 12th
Students listen as the teacher develops the derivative formula for if y=e^x, They find dy/dx by showing two proofs. Students determine the derivative of y=e^tan3x, and if y=e^2x they determine the hundredth derivative. Students listen as...
Lesson Plan
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Power Question 2

For Teachers 9th - 12th
In this math worksheet, students determine the locus of points, M, in plane ABC, such that KMAB=KMAC. They also draw the triangle ABC. Then determine the proof of the interior angles determining the identity of the equilateral triangle.
Lesson Plan
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Three for the Money: The Degree/Diameter Problem

For Teachers 9th - Higher Ed
Students explore the concept of vertex-edge graphs.  In this vertex-edge graphs lesson, students try to construct a graph with a given diameter, number of vertices, size, and planarity.  Students construct various vertex-edge...
Lesson Plan
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Science Mystery: The Vinland Map

For Teachers 9th - 12th
Students research proof regarding the authenticity of the Vinland map. In this geography activity, students hold a debate based on their research findings. They discuss which side won and write a short essay about their opinion on the...
Worksheet
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If-Then Statements and Postulates

For Students 10th
For this if-then statements and postulates worksheet, 10th graders solve 16 various types of geometry problems that include identifying the hypothesis and conclusions of each conditional statement. Then, they write each conditional...

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