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Geometry

  • Shapes
    • Area
    • Perimeter
    • Circle
    • Triangle
    • Congruent Figures
    • Plane Figure
    • Parallelogram
    • Polygon
    • Rectangle
    • Rhombus
    • Square
    • Trapezoid
    • Similar Figures
    • Quadrilateral
  • Angle
    • Degrees
    • Negative Angles
    • Angle Bisector
    • Angle Pairs
    • Angle Sum
    • Complementary Angles
    • Transversal
    • Supplementary Angles
    • Bisect Angle
    • Perpendicular Bisector
  • Topology
  • Geometric Patterns
    • Congruence
    • Tessellation
    • Transformations
  • Coordinate Geometry
    • Distance Formula
    • Ordered Pairs
    • Coordinate Reflection
    • Geometric Translation
    • Plane
  • Geometric Proof
    • Indirect proof
    • Direct proof
    • Proof by Contradiction
    • Theorems
    • Postulates
  • Line
    • Slope
    • Distance Formula
    • Midpoint Formula
    • Line Segments
    • Parallel Lines
    • Perpendicular Lines
    • Rays
    • Point
  • Symmetry
    • Line of Symmetry
    • Rotational Symmetry
  • Three-Dimensional Objects
    • Volume
    • Surface Area
    • Cones
    • Cubes
    • Cylinders
    • Polyhedron
    • Geometric Prisms
    • Geometric Pyramids
    • Spheres
    • Solid Figures

Show Related topics


  • Geometry Lesson Plans
  • Plane Geometry
  • Division Problems
  • Rigidity
  • Noncommutative Geometry

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Geometry Teacher Resources

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From basic shapes and their properties to geometric proofs, geometry challenges us to understand our spatial world. Help learners gain understanding using these resources for your classroom!
Showing 9,096 resources
12 Items in Course
Flipped Math: Geometry
Lesson Planet Curated

Flipped Math: Geometry

For Students 9th - 12th Standards
Imagine taking a complete geometry course remotely! Eleven units make up the My Geometry course. Each unit follows the Flipped-Mastery cycle of learning, divided into two semesters. Pupils watch and take notes on a video that details the...
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29 Items in Unit
Geometry Unit 1: Tools for Geometry
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Geometry Unit 1: Tools for Geometry

For Teachers 9th - 12th Standards
Six resources make up the first unit in the Flipped-Mastery series for geometry. In the first lesson, scholars learn how to identify and name points, lines, and planes. They work with four postulates, then practice the skills for naming...
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29 Items in Unit
Geometry Unit 9: Area of Polygons
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Geometry Unit 9: Area of Polygons

For Teachers 9th - 12th Standards
Six lessons make up the Geometry Unit 9: Area of Polygons unit module. Pupils review the formulas for finding the area of parallelograms and triangles. They apply previous learning of trigonometric ratios and the Pythagorean Theorem to...
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24 Items in Unit
Geometry Unit 4: Triangle Congruence
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Geometry Unit 4: Triangle Congruence

For Teachers 9th - 12th Standards
The Geometry Unit 4: Triangle Congruence unit module contains five lessons—each with a video, teacher reference, practice packets, solutions, and corrective assignments. To begin, scholars review the types of triangles, then investigate...
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20 Items in Unit
Geometry Unit 6: Similar Figures
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Geometry Unit 6: Similar Figures

For Teachers 9th - 12th Standards
Similar figures are the topic of Geometry Unit 6. Each of the four resources in the unit module contains a video, teacher reference, practice packets, solutions, and corrective assignments. In the first lesson, pupils learn the...
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20 Items in Unit
Geometry Unit 2: Reasoning and Proof
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Geometry Unit 2: Reasoning and Proof

For Teachers 9th - 12th Standards
The four lessons in the Geometry Unit 2 module are all about reasoning and proof. In the first lesson pupils watch a video introducing conditional statements and their related statements. Learners find out how to identify the hypothesis...
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35 Items in Unit
Geometry Unit 3: Parallel and Perpendicular Lines
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Geometry Unit 3: Parallel and Perpendicular Lines

For Teachers 9th - 12th Standards
The Geometry Unit 3: Parallel and Perpendicular Lines Unit Module contains seven lessons, each with a video, teacher reference, practice packets and solutions, and corrective assignments. In the first lesson, pupils learn eight...
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12 Items in Topic
Math Antics Geometry Video Lessons
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Math Antics Geometry Video Lessons

For Teachers 4th - 8th Standards
The point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...
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30 Items in Unit
Geometry Unit 7: Right Triangles
Lesson Planet Curated

Geometry Unit 7: Right Triangles

For Students 9th - 12th Standards
Six lessons comprise the Geometry Unit 7: Right Triangles unit module. In the first lesson, pupils review the Pythagorean Theorem and determine how to use the converse to determine whether a triangle is right, obtuse, or acute. Next,...
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20 Items in Unit
Geometry Unit 8: Transformations
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Geometry Unit 8: Transformations

For Teachers 9th - 12th Standards
Four resources make up the Geometry 8 Unit Module. To begin, scholars review the different types of transformations. They work in more detail with translations by drawing the transformations and writing the algebraic rule. In the second...
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33 Items in Unit
Geometry Unit 10: Surface Area and Volume
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Geometry Unit 10: Surface Area and Volume

For Teachers 9th - 12th Standards
Geometry Unit 10 contains six resources that cover surface area and volume. Scholars first watch a video explaining the basic terminology of three-dimensional figures, such as prisms, lateral edges, bases, and faces. They then learn how...
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14 Items in Unit
Geometry Unit 12: Probability
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Geometry Unit 12: Probability

For Students 9th - 12th Standards
The "Geometry Unit 12: Probability" series contains three video lessons designed for the flipped classroom. Learners watch as videos demonstrate several types of problems highlighting probability concepts, and then work through a series...
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26 Items in Unit
Geometry Unit 11: Circles
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Geometry Unit 11: Circles

For Students 9th - 12th Standards
The five resources in the Geometry Unit 11: Circles Unit Module are designed for the flipped classroom. Pupils watch videos that show how to apply concepts about circles, tangents, congruent chords and arcs, and intercepting arcs....
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38 Items in Assessment Set
Balanced Assessment: Advanced High School Math Packet
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Balanced Assessment: Advanced High School Math Packet

For Teachers 11th - 12th Standards
Nineteen resources make up the Balanced Assessment: Advanced High School Math Packet designed to test learners' knowledge in Algebra II, Geometry, and Pre-Calculus classes. To demonstrate their understanding of concepts related to these...
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37 Items in Unit
Geometry Unit 5: Quadrilaterals and Polygons
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Geometry Unit 5: Quadrilaterals and Polygons

For Students 9th - 12th Standards
One's knowledge of angles should measure up to expectations. Scholars watch a video to learn about angles in polygons. They first see how to partition a polygon into triangles to find the sum of the interior angle measures. They then...
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36 Items in Topic
Cross-Curricular Reading Comprehension Worksheets
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Cross-Curricular Reading Comprehension Worksheets

For Teachers 2nd - 6th Standards
This series of cross-curricular resources covers just about every subject, ranging from social studies to geometry to physical science. Each worksheet includes a reading passage and five questions that require learners to apply reading...
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20 Items in Assessment Set
High School Balanced Packet 1 Assessment Tasks
Lesson Planet Curated

High School Balanced Packet 1 Assessment Tasks

For Students 9th - 12th Standards
Are you looking for assessment tasks for Algebra 1, Algebra 2, or geometry? Check out this collection of 20 assessment tasks designed for high schoolers. Problems are presented with an open-ended format allowing students to use multiple...
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6 Items in Assessment Set
Mathematics Assessment Project: Tests for Middle School
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Mathematics Assessment Project: Tests for Middle School

For Teachers 6th - 8th Standards
Good assessments are hard to find—assessments that address content standards and fit into standard class periods. The six assessments in the middle school collection are 80-minute forms, divided into two 40-minute sections, and are...
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6 Items in Assessment Set
Mathematics Assessment Project: Tests for College & Career Readiness - High School
Lesson Planet Curated

Mathematics Assessment Project: Tests for College & Career Readiness - High School

For Teachers 9th - 12th
A collection of six tests are designed to assess the College and Career Readiness of high school algebra I, algebra II, geometry, and statics and probability learners. Each assessment includes the test form and scoring and comes in 40,...
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7 Items in Topic
Classifying 3D Shapes
Lesson Planet Curated

Classifying 3D Shapes

For Teachers 7th - 10th Standards
Get help when teaching 3D shapes in Geometry by using these resources to introduce classification, practice labeling, and apply this knowledge to other types of problems.
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29 Items in Topic
Krista King Math: Pre-Calculus
Lesson Planet Curated

Krista King Math: Pre-Calculus

For Students 11th - Higher Ed Standards
A precalculus playlist of 29-videos demonstrates the processes and includes step-by-step explanations of functions. The collection includes inverse trig functions, polar coordinates, graphing polar curves, parametric curves, analytic...
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9 Items in Topic
Grade 7, Claim 1: Concepts and Procedures Item Slide Shows
Lesson Planet Curated

Grade 7, Claim 1: Concepts and Procedures Item Slide Shows

For Teachers 7th Standards
Prepare seventh graders for end-of-year assessments with a collection of nine resources packed with teacher and student-friendly slides featuring problems that address the A-I competencies. Questions are modeled after Smarter Balanced...
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10 Items in Topic
Mathematics Vision Project: Interactive Applets
Lesson Planet Curated

Mathematics Vision Project: Interactive Applets

For Students 9th - 12th Standards
Ready, set, go! The Mathematics Vision Project provides a collection of 10 Interactive Applets that follow the progression of learning—to practice, develop, and solidify understanding. The interactives use engaging materials that include...
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Interactive
Electron Geometry Interactive
Concord Consortium

Electron Geometry

For Students 9th - 12th
It's time to whip your chemistry class into shape! Begin your study of molecular geometry with a colorful, 3-D interactive. The resource shows models of linear, trigonal planar, and tetrahedral molecules.
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