Lessons

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Your search returned these 3 highlighted lessons...

	Barbie Bungee Examining Linear Functions and the Meaning of Slope
	Constant Dimensions Using Measurement and Algebra to Investigate the Ratio of Length to Width
	Trout Pond Using Algebra and Discrete Mathematics to Investigate Population Changes

...as well as these additional 83 lessons...

	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
	Allow Me 2 Reiterate Finding √2 With a Computer Software Program
	Amazing Profit Investigating Linear Equations using a Real-World Scenario
	Arithme-Tic-Toc Understanding Modular Arithmetic With Analog Clocks (and Other Real-World Examples)
	Bagel Algebra Using Proportional Reasoning For Price Comparisons
	Bouncing Tennis Balls Discovering Linear Relationships Between Time and Number of Bounces
	Building Bridges Extending Problems from Arithmetic to Algebraic Thinking
	Building Connections Making Connections Among Different Classes of Polynomial Functions
	Classic Middle-Grades Problems for the Classroom Solving the Mangoes Problem and Sailors and Coconuts in Several Different Ways
	Code Crackers Exploring Number Concepts through Cryptology
	Counting Embedded Figures Determining How Many Squares of Any Size are on a Checkerboard
	Counting the Trains Investigating Patterns That Lead to Functions
	Cutting Conics Investigating Conic Sections using a Double-Napped Cone
	Describe the Graph A Unique Way to Review Plotting Points
	Determining Functions Using Regression Determining an Appropriate Function to Fit Data
	Difference of Squares Exploring Arithmetic Sequences, Leading to the Factoring Pattern for the Difference of Squares
	Dirt Bike Dilemma Understanding and Solving Linear Programming Problems
	Distributing and Factoring Using Area Representing Area of a Rectangle Using the Distributive Property
	Dividing a Town into Pizza Delivery Regions Constructing Perpendicular Bisectors and Circumcenters to Explore Delivery Regions
	Do I Have to Mow the Whole Thing? Investigating Inverse Variation
	Domain Representations Describing the Domain of a Function with Graphs, Tables, Number Lines, Words, and Symbols
	Egg Launch Contest Students will represent quadratic functions as a table, with a graph, and with words.
	Equations of Attack Relating Linear Equations and Graphs in a Game of Ships and Attacks
	Escape from the Tomb Answering The Question, "When Will I Ever Need To Solve A System Of Equations?"
	Everything Balances Out in the End Building Algebraic Understanding
	Exploration of a Balance Observing Relationships between Mass, Length, and Position of a Fulcrum
	Exploring Equations Using Expressions and Equations on the Pan Balance Tool
	Exploring Krypto Playing a Numbers Game to Develop Computational Skills and Conceptual Understanding
	Exploring Linear Data Modeling Data From Car Repair Costs and Sports Contexts
	Extending to Symbols Moving from Numeric to Algebraic Notation
	Factor Game Distinguishing Between Numbers With Many Factors and Numbers With Few Factors
	Fibonacci Trains Using Cuisenaire Rods to Build Trains, Investigate Patterns, and Make Algebraic Connections
	Finding Our Top Speed Using Hands-On Activity to Develop Understanding of Time and Distance
	Geology Rocks Equations Using Manipulative Blocks and Counters to Explore Equations such as 3x = 2x + 12
	Golden Ratio Extending the Fibonacci Sequence through an Algebra Exploration
	Graphs from the Unit Circle Making the Connection between Trigonometric Ratios and Graphs of Sine and Cosine Functions
	Growth Rate Using Slope to Approximate Rate of Change on a Graph
	Hanging Chains Determining the Equation of a Parabola
	Investigating Pick's Theorem Exploring Patterns, Systems of Equations, and Rates of Change While Finding the Area of a Triangle
	Light It Up Using a Mirror and Flashlight to Understand Rational Functions
	Line 'Em Up Points in the Coordinate Plane
	Linear Alignment Exploring Linear Equations using Polygons on a Graphing Calculator
	Magic Squares Exploring Magic Squares from an Historical and Mathematical Perspective
	Making Sense of Percent Concentrations Using Beads and an Antifreeze Chart to Understand Mixture Problems
	Modeling Orbital Debris Problems Using Technology to Develop an Understanding of Functions and Modeling
	Movement with Functions Using Movement to Analyze Linear Functions and Systems of Equations
	Movie Lines Using Algebra to Model Linear Relationships
	National Debt and Wars Curve-Fitting, Exponential Growth, and Percent Change
	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
	One Grain of Rice How Knowledge of Exponential Growth Can Feed a Village
	Orbiting Satellites Determining Altitude and Velocity
	Paper Pool Analyzing Numeric and Geometric Patterns
	Patterns and Functions Investigating Properties of Perimeter and Area of Two‑Dimensional Shapes
	Paying for Your Wheels The Algebra of Gas Consumption
	Pedal Power Interpreting Slope as a Rate of Change
	Pi Filling, Archimedes Style! Bringing Archimedes’ Method to Life in the Geometry Classroom
	Pi Line Plot Circumference and Diameter to Determine Pi
	Pinwheel Investigating the Geometry of an Origami Octagon that Changes Shape
	Polynomial Puzzler Solving Puzzles to Strengthen Understanding of Expanding and Factoring Polynomials
	Power Up Using Batteries as a Physical Model to Explore the Addition of Signed Numbers
	Predicting Your Financial Future Calculating Compound Interest with Savings Accounts and Credit Cards
	Printing Books Exploring the Relationships Among Lines, Slopes, and y‑Intercepts in the Context of Printing Their Algebra Textbooks
	Rates and Taxes Determining the Amount of Tax a Family Will Pay Based on a Certain Income
	Real Estate Tycoon Working With Fractions and Decimals to Design and Sell a House and Invest the Profits
	Representing Data Creating Graphs and Rules from an Organized Chart
	Rise-Run Triangles Using Right Triangles to Determine the Slope of a Line
	Seeing Music Investigating How Sine Waves and Frequencies Cause Harmony and Dissonance
	Shedding Light on the Subject Developing and Analyzing Exponential Models For The Behavior of Light Passing Through Water
	Smokey Bear Takes Algebra Examining the Factors that Influence a Forest-Fire Danger Rating Index
	Squares on a Triangle Using Dynamic Geometry Software to Discover the Law of Cosines
	Successive Discounts Examining Numeric, Algebraic, and Graphical Representations of Composition of Functions
	Supply and Demand Using a System of Linear Equations to finding the Equilibrium Point for Supply and Demand Problems.
	Supreme Court Welcome Exploring the Handshake Problem
	Taking Its Toll Examining the Relationship Between Tolls and Distance
	Talk or Text Choosing a Prepaid Cell Phone Plan Using Systems of Equations
	The Devil and Daniel Webster Examining a Recursive Sequence in a Game Between the Devil and Daniel Webster
	The Next Billion Predicting When the World Population Will Reach 7 Billion
	There Has to Be a System for This Sweet Problem Problem Solving using Systems of Equations
	Varying Motion Exploring Varying Displacement, Velocity, and Acceleration
	Venn Diagrams and Logic Using a Visual Approach to Direct, Indirect, and Transitive Reasoning
	Walk the Plank Using a Scale to Investigate x‑Intercepts and Negative Slope

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.