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Lesson Plan
Curated OER

Worksheet 1, Coordinate Graphing

For Teachers 10th - 11th
In this algebra worksheet, students determine the quadrant a given point is in. They find the midpoints of two line segments. Students plot points to form a triangle and find the distance between points. Students find the area of the...
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Lesson Plan
Curated OER

The Pythagorean Theorem

For Teachers 7th - 9th
Students explore the concept of the Pythagorean Theorem.  In this Pythagorean Theorem lesson, students discuss how the Pythagorean Theorem is used in their lives.  Students imagine building a lean-to that is 3 ft. high and 4 ft. wide;...
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Lesson Plan
Curated OER

Using Trigonometry

For Teachers 5th
Fifth graders explore the use of trigonometry to find unknown sides and angles in right-angled triangles, taking the concepts that were developed in the previous unit and looking at different ways of practicing the new skills. Students...
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Lesson Plan
Curated OER

Relative Size Lesson Plan for First Grade

For Teachers 1st
First graders compare triangle sizes, square sizes, and lengths. They use manipulatives of three varied sized triangles, squares, and strips to measure and compare relative size and length.
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Worksheet
Curated OER

Calculating the Hypotenuse

For Students 6th - 7th
In this triangles worksheet, students use Pythagoras' theorem to find the hypotenuse of a triangle. Students solve 20 problems and also calculate the length of the diagonals in rectangles. This page is intended for online use but may be...
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Worksheet
Curated OER

Transformations in the Coordinate Plane: Practice

For Students 6th - 7th
In this transformations instructional activity, learners identify the coordinates of triangle MNO after completing three translations and one reflection. Students use the triangle MNO with given coordinates to complete each...
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Lesson Plan
Curated OER

Investigating the Idea of Tan

For Teachers 5th
Fifth graders use tan to solve problems involving right-angled triangles. They solve equations of the form tan(8) =a, for a between 180 degrees and 360 degrees. They state the value of tan (8) in special cases.
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Lesson Plan
Curated OER

The Trig to Soccer

For Teachers 9th - 10th
Learners analyze angles applied to a penalty kick in a soccer game. Based on dimensions of the goal, and the penalty area, students determine where the better chance of scoring lies.
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Worksheet
Curated OER

Transformations in the Coordinate Plane: Reteach

For Students 6th - 7th
In this transformations worksheet, students review the terms and example diagrams for a translation, reflection, and rotation. Students then identify the coordinates for a triangle after completing the given transformations in the four...
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Lesson Plan
Curated OER

Geometry: Lesson 2

For Teachers 8th
Eighth graders engage in a lesson that is concerned with examining two dimensional figures with different properties that include circles, triangles, queadrilaterals, etc... They identify the types of figures that is identified as polygons.
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Lesson Plan
Curated OER

Pythagorean Triples

For Teachers 6th - 8th
Middle schoolers investigate the mathematical concepts related to the study of The Pythagorean Theorem. They graph and review how to use a line segment to construct a triangle. Then using the theorem students calculate the length of the...
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Worksheet
Curated OER

Geometric Shapes

For Students 4th - 5th
In this math worksheet, students explore geometric shapes by completing a variety of exercises. Students label the pictures with the 3D shape names, draw radius and diameter lines, name different types of triangles and draw diagonals and...
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Lesson Plan
Curated OER

Shapes

For Teachers K - 2nd
In this early childhood math worksheet, students practice distinguishing shapes as they match the square, triangle, circle, pyramid, and cube shapes to the appropriate names in the right-had column.
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Lesson Plan
Curated OER

Identifying Angles

For Teachers 4th
After identifying angles (acute, obtuse, right) during a math or science lesson, 4th graders will use the computer to stamp pictures in the correct category using KidPix computer software.
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Worksheet
Curated OER

Basic Shape Naming Worksheet

For Students 1st - 2nd
In this basic shape worksheet, students name 5 basic shapes including a circle, square, triangle, oval, and rectangle. They write the names on the blank lines using the hints at the bottom of the page, and they color the shapes.
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Worksheet
Curated OER

How Many Cat? Count the Cats

For Students Pre-K - K
In this counting worksheet, learners count the pictures of cats on a page. They see 6 small cats in a triangle and one large one.
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Worksheet
Curated OER

Counting Shapes

For Students K - 1st
In this counting instructional activity, students count how many shapes they see in a row, 3 rows total. Shapes are circles, triangles and rectangles, numbers are 2, 3, 5.
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Worksheet
Curated OER

Circus of Shaper: Ovals

For Students K - 1st
In this shapes worksheet, students look at a set of shapes that includes squares, ovals, triangles, circles and rectangles, coloring all oval shapes. Worksheet includes a link to additional activities.
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Handout
Lockport City School District

Reasons for Geometric Statement/Reason Proofs

For Students 8th - 11th Standards
Stuck trying to remember the formal language of a geometric proof? Never fear, this handout has them all ready to go. The reasons are sectioned by topic so this handy guide is ready when you are to tackle those two column proofs. 
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Printables
Virginia Department of Education

High School Mathematics Geometry Vocabulary Word Wall Cards

For Teachers 9th - 10th
Having a good working knowledge of math vocabulary is especially important for geometry learners. Here are 119 pages worth of wonderfully constructed definitions, constructions, formulas, properties, theorems, and postulates. This is a...
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Lesson Plan
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Curated OER

A Rectangle in the Coordinate Plane

For Teachers 7th - 9th Standards
A quadrilateral is drawn on the coordinate plane, and eighth grade geometers find the length of each side and the diagonals by applying the Pythagorean theorem. 
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Worksheet
Curated OER

Writing and Graphing Linear Equations on a Flat Surface

For Students 8th - 10th
In this linear equations worksheet, students write the equation of a line with given characteristics. They identify the slope of a line and the y-intercept. Explanations and examples are provided at the beginning of the worksheet. This...
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Lesson Plan
Curated OER

Hey, Pythagoras! Help Me Understand Your Theorem!

For Teachers 8th - 12th
Learners explore the Pythagorean Theorem. In this math lesson plan, pupils solve problems using the Pythagorean Theorem. They select the appropriate numbers to substitute in the formula to solve problems.
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Handout
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Curated OER

Math Handbook: Trigonometry

For Students 9th - 12th Standards
You'll be spinning in unit circles once you read through this jumbo-sized resource of everything you need to know about trigonometry. Each page has color-coded examples with explicit directions that detail the problems and formulas. 

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