Lesson Plan
Mathematics Assessment Project

Applying Angle Theorems

For Teachers 7th Standards
Polygon ... an empty bird cage? After finding the angles of a polygon, young mathematicians use the provided methods to solve the problem in multiple ways.
Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 7th - 10th
Young scholars research Pythagoras and learn how to apply his theorem. They solve real life problems using the theorem and demonstrate knowledge of exponents, equations, and radicals. Students include diagrams in their research papers.
Lesson Plan
Curated OER

Solid Waste Recycling

For Teachers 2nd - 4th
Students plan a "no garbage" lunch and hold a classroom contest to sort grabage into what can and what can't be recycled. They assess the importance of reducing the amount of garbage in the environment and set up a book recycling program.
Lesson Plan
National Gallery of Canada

My Abstraction

For Teachers K - 3rd
What makes a color warm, and what makes a color cool? Explore colors and abstract art through an observation activity and an art assignment. Learners look at images and talk about colors before making their own compositions with...
Lesson Plan
Curated OER

Word Problems: Geometry

For Teachers 5th - 8th
Students solve word problems by using basic geometry. In this geometry instructional activity, students use geometric formulas to find the perimeter, area, and volume of objects. Students complete a worksheet.
Lesson Plan
Curated OER

That Rascal Pascal

For Teachers 4th
Fourth graders use the concept of number patterns to complete a portion of Pascal's Triangle as well as identify and describe the patterns represented.
Lesson Plan
Curated OER

Math: Tangents

For Teachers 9th - 10th
Students discover how to recognize tangents and how to use their properties. They investigate and use the properties of angles, arcs, chords, tangents, and secants. Students use two tangents and the properties of similar triangles to...
Lesson Plan
Curated OER

The Law of Sines

For Teachers 11th - 12th
Young scholars define the laws of sine as it relates to a right triangle. In this trigonometry activity, students identify the properties of sine to help then find mixing sides of a right triangle. They also solve for the missing angles.
Lesson Plan
Curated OER

Pythagorean Relationships

For Teachers 9th - 12th Standards
Oh that Pythagorean Theorem is so useful. Learners engage in a 45 minute learning activity that requires them to solve for missing angles and sides of a right triangle. They'll use the Pythagorean Theorem to find the rations of sides and...
Lesson Plan
Texas Instruments

The Determinant of a Matrix

For Teachers 9th - 12th Standards
Learners calculate the determinant. In this algebra lesson, students find the determinant and use to calculate the area of a triangle. They calculate the area of a quadrilateral in a plane.
Lesson Plan
Curated OER

Angles and Similarity

For Teachers 9th - 12th Standards
Students identify triangles as similar or congruent. For this geometry lesson, students drag triangles around on the navigator to see the effect of different angles on the shape of the triangle. They discuss angle similarity and angle...
Lesson Plan
Texas Instruments

REAL LIFE REAL WORLD Activity - Surveyor

For Teachers 9th - 12th Standards
Learners investigate surveying in this secondary mathematics lesson. They will explore a real world application of geometry and trigonometry as they create a plot plan using a geometry utility and calculate the area of the land parcel.
Lesson Plan
Curated OER

Introduction to Fractals: Geometric Fractals

For Teachers 6th - 8th
Learners study and observe the patterns made by the areas of the Sierpinski Triangle. Students use the computer to draw two or three iterations to discover the number patterns. Learners complete worksheets based on Geometric Fractals.
Lesson Plan
Curated OER

Effects of Changing Dimensions Proportionally

For Teachers 10th
In this geometry worksheet, 10th graders examine the effect of changing the dimensions of a figure proportionally on the perimeter, circumference, and area.  The one page worksheet contains six problems.  Answers are...
Lesson Plan
Curated OER

Ratios of Similar Figures

For Teachers 9th - 12th Standards
Students identify the ratios of different triangles. In this geometry lesson, students identify the similarity and differences of triangles. They use the navigator to move the sides of the triangle around.
Lesson Plan
Curated OER

Similar Figures

For Teachers 9th - 12th Standards
Your class will use a TI calculator to drag vertices of rectangles and triangles to observe what happens to ratios of pairs of sides within each figure. They will apply the definition of similarity to identify similar shapes. The lesson...
Lesson Plan
Curated OER

Trigonometry Ratios

For Teachers 9th - 12th Standards
High schoolers identify the different angles and sides of a triangle. For this geometry lesson, students identify the six trigonometric ratios. They graph the graph of each trig function and analyze it.
Lesson Plan
Utah Education Network (UEN)

If the Shape Fits

For Teachers 5th - 6th Standards
Geometers juggle the idea of polygons. Using a game and manipulatives, they make trapezoids and irregular polygons. They review the algorithms for finding the areas of squares and rectangles. On day one, they find the area of trapezoids,...
Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 9th - 11th
Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. They construct a square and conjecture the following theorem: The sum of the areas of...
Lesson Plan
Curated OER

Geometry Exploration Basic Trig Functions

For Teachers 10th
Tenth graders solve for missing sides on a triangle using the Pythagorean Theorem. In this geometry lesson, 10th graders are introduced to basic trigonometry functions as they solve problems of right triangles. They discuss the...
Lesson Plan
Curated OER

Perimeter Pattern

For Teachers 9th - 12th Standards
High schoolers investigate perimeter patterns formed by a hexagon and a triangle. They will identify the dependent and independent variable and write a function for the relationship.
Lesson Plan
Curated OER

Pythagorean Triples

For Teachers 9th - 12th Standards
Teach how to solve problems with right triangles. Students use the Pythagorean Theorem to identify missing sides and angles. Then, they will define and use the Pythagorean Triples to solve problems.
Lesson Plan
Curated OER

What's the Spin?

For Teachers 9th - 12th Standards
Learners use the CABRI application for their graphing calculator to rotate, translate, and reflect triangles. They use graphing calculators and follow detailed directions to manipulate triangles in specified ways. There are three...
Lesson Plan
Curated OER

Chords of a Circle

For Teachers 9th - 12th Standards
Teach how to differentiate between chords and perpendicular bisectors. In this geometry lesson, students relate the properties of chords and circle to solving right triangle. They define what makes two chords congruent in side a circle.

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