Lessons

Grades: Standards:

Your search returned these 6 highlighted lessons...

	Building A Box Using Nets to Develop Three-Dimensional Visualization Skills
	Going Places Measuring and Mapping to Explore Spatial Relationships, Principles of Location, and Navigation
	Ladybug Adventures Learning Geometry and Measurement Concepts
	Polygon Capture Playing a Geometry Game to Learn the Properties of Polygons
	Reflect on This Using a Hinged Mirror to Examine the Interior Angles of Regular Polygons
	To Fret or Not To Fret Exploring the Math Behind the Placement of Frets on Stringed Instruments

...as well as these additional 76 lessons...

	A Tale of Two Stories Using The Three Little Pigs and Cinderella to Recognize Similar Characteristics
	Adding It All Up Discovering the Polygon Angle Sum Formula through Investigation
	Algebraic Transformations Investigating the Commutative and Associative Properties Using Geometric Shapes
	All in the Family Comparing One Measure of a Square (Side Length, Diagonal Length, Area, or Perimeter) to Another
	Archimedes' Puzzle Learning About Symmetry and Transformation with an Ancient Greek Puzzle, the Stomachion
	Building with Triangles An Exploration of the Properties of Triangles
	Circle Packing Investigating the Geometry of Packing Circles in Real-World Problems
	Computer Animation Multiplying Matrices to Transform Drawings
	Corner to Corner Exploring Quadrilaterals, Diagonals, and the Pythagorean Theorem
	Counting Embedded Figures Determining How Many Squares of Any Size are on a Checkerboard
	Counting Embedded Figures Look for Patterns and Forming Generalizations
	Covering the Plane with Rep‑Tiles Creating Larger, Similar Figures With Tesselations
	Cubed Cans Exploring Changing from a Cylinder to a Rectangular Prism while Keeping the Volume Constant
	Cubes Everywhere Using Cubes to Develop Spatial Thinking
	Cutting Conics Investigating Conic Sections using a Double-Napped Cone
	Describe the Graph A Unique Way to Review Plotting Points
	Diagonals to Quadrilaterals Exploring the Relationship Between Diagonals and Quadrilaterals
	Dividing a Town into Pizza Delivery Regions Constructing Perpendicular Bisectors and Circumcenters to Explore Delivery Regions
	Exploring Histograms Using a Data Analysis Tool to Examine Mean, Median, and Standard Deviation
	Fibonacci Nim Using Number Representations to Find the Strategy for Various Nim Games
	Figuring In Football Analyzing Graphical Information from Sports
	Finding Your Way Around Exploring Two-Dimensional Space While Navigating the Coordinate Plane
	Fishing for the Best Prism Students Use Polydrons to Build Nets and Create the Most Appealing Fish Tank
	Geometric Solids and Their Properties Exploring Three-Dimensional Shapes
	Geometry in the World of Art Using the Works of Wassily Kandinsky to Exemplify Geometric Shapes
	Geometry of Circles Exploring The Relationship Between Diameter, Circumference, And Area
	Get the Turtle to the Pond Using Geometry and Measurement Concepts to Create Paths
	Hitting Your Mark Constructing a Scale Drawing of a Regulation Dartboard Using Geometry and Measurement
	Hospital Locator Using Incenters and Circumcenters to Solve Real-World Problems
	Human Conics Developing the Locus Definition of Conics in an Outdoor Activity
	Inequalities in Triangles Investigating The Relationship Between Sides And Angles In A Triangle
	Invest in Your Education Learning Percents by Purchasing Everyday Classroom Supplies
	Investigating Shapes (Triangles) Recognizing, Constructing, and Identifying Triangles
	I've Seen That Shape Before Learning the Names of Solid Geometric Shapes and Exploring Their Properties
	Junior Architects Designing Your Dream Clubhouse Using Measurement and Geometry
	Law of Sines and Law of Cosines Discovering Formulas for Triangle Measure
	Linear Alignment Exploring Linear Equations using Polygons on a Graphing Calculator
	Linking Length, Perimeter, Area, and Volume Investigating Ratio, Proportion, Scale Factor, and Similarity Using Various Rectangular Shapes
	Location, Location, Location Exploring Distances to the Sides in a Regular Polygon
	Mars Orbit Using Parametric Equations to Investigate the Relative Orbits of the Planets
	Mathematics and Children's Literature Using Stories as the Context for Mathematical Discovery
	Measuring Up Using Your Own Measurements to Explore Similar Figures
	My Pet Creating a Map of a Pet
	On Fire Using Measurement to Design A Fire-Wise Property
	On Top of the World Seeing to the Horizon from the Top of Mount Everest
	Paper Quilts Using Translation, Reflection, Rotation, and Line Symetry to Make Four-Part Quilt Squares
	Patterns and Functions Investigating Properties of Perimeter and Area of Two‑Dimensional Shapes
	Perplexing Parallelograms Using Multiple Strategies to Solve a Problem Involving the Area of Parallelograms
	Pi Filling, Archimedes Style! Bringing Archimedes’ Method to Life in the Geometry Classroom
	Pi Line Plot Circumference and Diameter to Determine Pi
	Pieces of Proof Using puzzle pieces to put together formal proofs, from a collection of statements and reasons.
	Pinwheel Investigating the Geometry of an Origami Octagon that Changes Shape
	Planning a Playground Exploring Maximum Area with a Set Perimeter and Obstacles
	Popcorn, Anyone? Exploring Volume using Differently Shaped Popcorn Containers
	Power of Points Using Dynamic Geometry Software to Investigate the Power of Points With Respect to a Circle
	Puzzling Relationships Using Tangram Puzzles to Explore Spatial Relationships
	Rectangles and Parallelograms Examining the Properties of Two-Dimensional Shapes
	Rescue Mission Game Using Tally Tables and Bar Graphs to Learn About the Four Forces of Flight
	Security Cameras Exploring the Minimum Number of Security Cameras Needed to Monitor a Room
	Sorting Polygons Identifying and Classifying Polygons According to Various Attributes
	Squares on a Triangle Using Dynamic Geometry Software to Discover the Law of Cosines
	Symmetries I Investigating Rotations and Their Properties
	Symmetries II Investigating Reflections and Their Properties
	Symmetries III Investigating Translations and Their Properties
	Symmetries IV Investigating Glide Reflections and Their Properties
	Tangram Puzzles Developing Geometric Understanding and Spatial Visualization Skills
	Tetrahedral Kites Studying The Relationship Between Linear, Area, And Volume Measures
	The Cost of a Great Looking Floor Determining the Cost of Constructing a Tile Floor Using Pattern Blocks
	The Giant Cookie Dilemma Dividing a Circle in Half by Constructing Concentric Circles
	Transformations and Frieze Patterns Students will identify and create Frieze patterns using transformations to identify the various classes of Frieze patterns.
	Triangle Classification Using Geometric Theorems to Classify Triangles by Angles and Sides
	Trigonometry for Solving Problems Enhancing the Appreciation of Trigonometry as a Problem-Solving Tool
	Using Cubes and Isometric Drawings Explore Polyhedra With Three-Dimensional Representations
	Venn Diagrams and Logic Using a Visual Approach to Direct, Indirect, and Transitive Reasoning
	What Should I Measure Next? How About Me! Measuring Heights and Arm Spans
	What’s Regular About Tessellations? Tiling the Plane with Regular Polygons

The National Council of Teachers of Mathematics is a public voice of mathematics education, providing vision, leadership, and professional development to support teachers in ensuring mathematics learning of the highest quality for all students. The views expressed or implied, unless otherwise noted, should not be interpreted as official positions of the Council.