Middle School and Pre-Algebra
Elizabeth Stafford's thoughts on teaching the concept of substitution
Tina Cardone's dilating a comic activity
David Cox's farming project
Leslie Lewis' Wheel of Theodorus (intro to radical numbers)
Fawn Nguyen's fraction division using rectangles
Fawn Nguyen's Foxy Fives activity for order of operations that is also good for practicing number sense
Daniel Schneider's post on models for and problems related to integer operations
Fawn Nguyen's post showing another model for integer operations - good buy/bad guy
Fawn Nguyen's maximizing the volume of a box lesson
Fawn Nguyen's lesson on lateral surfaces and more
Don Steward's post on looking at different nets for the same solid
Algebra 1
Graphing Stories
Introducing Linear Equations - Barbie Bungee Jump
Illuminations
Fawn Nguyen
Matt Vaudrey
Julie Reulbach
Christopher Danielson's Oreo Extravaganza (systems of linear equations)
Fawn Nguyen's picture frame activity on quadratics
National Stem Centre's activity for Interpreting Algebraic Expressions - great matching game, great for getting kids to see how algebraic expressions can be represented in multiple ways
Fawn Nguyen's first day activity on patterns for algebra
James Tanton's courses and lessons on quadratics
Geometry
Fawn Nguyen's activity on similar triangles and mini golf
Nat Banting's Trigonometric Mini Golf
Kate Nowak's activity on finding the degree measure of one angle in any regular polygon
Leslie Lewis' instructions on how to build 40 different polyhedra
William Emeny's lesson on volume of a sphere using volume or air in your lungs
Andrew Stadel's surface area of spheres using whiffle balls and pennies
Nathan Kraft's volume of a sphere Three-Act using soccer balls
Dan Meyer's Pyramid of Pennies Three-Act
Nathan Kraft's approximating the area of an eggo (or circle)
Tina Cardone's Conic Unit:
The Curves
Equations
Photo Project
Fawn Nguyen's Area of a Circle lesson
Fawn Nguyen's activity using bubbles to find pi Part 1
Part 2
Faw Nguyen's outdoor geometry project, using Geometer's Sketchpad
Fawn Nguyen's implementation of the Best Equilateral Triangle activity
Fawn Nguyen's implementation of Dan Meyer's Taco Cart
Don Stewart's Complete the Quadrilateral activity
and Fawn Nguyen's post and worksheet on it
Fawn Nguyen's posts on three geometry lessons: Congruent Halves, Classifying Polygons using Venn Diagrams, and the Congruent Postulates of Triangles
Kate Nowak's problem involving quadrilaterals and a proof
The Shadow Problem - solving triangles
Fawn Nguyen's dissecting polygons lesson
Fawn Nguyen's activity where one student describes a geometric drawing to another
Fawn Nguyen's areas of circles and patterns lesson
Fawn Nguyen's Investigating Area with Paper Folding
Triangle problem by Five Triangles
Algebra 2
Michael Pershan's Algebra 2 Blog
Jonathon Claydon's Algebra 2 Resources
Bob Lochel's Binomial Theorem Jigsaw activity
Exponentials
Sam Shah's post on Moore's Law photo essay
Sam Shah's exponential function unit
Sam Shah's Supreme Court example involving exponential growth
Sam Shah's paper folding exercise
and Rebecka Peterson's worksheet for it
Tina Cardone's student-driven lesson on exponentials in context
Michael Pershan's lesson on visual exponential patterns
Dan Meyer's Three-Act task Domino Skyscraper
Dan Meyer's Three-Act task Fry's Bank (annual interest)
Logarithms
Sam Shah's origin on life example
Kate Nowak's worksheets for learning(discovering) log laws
Kate Nowak's introduction to logs
Kate Nowak's three-day lesson on exponential growth and credit cards
Illumination's slide rule activity
Rebecka Peterson's key to remembering how to convert from log to exponential form
Composition of Functions and Inverses
Sam Shah's break-down of compositions and inverses
Illumination's composition of functions lesson plan and worksheet (successive discounts)
Pre-Calculus
Jonathan Krogen's Pre-Calculus Resources
Review Games
Bob Lochel's Secret Phrase Scavenger Hunt
Toys, Games, Puzzles
Exploratorium's instructions on building a 3D 12-pointed star and a stellated rhombic dodecahedron
Penrose puzzle
Georgia Seitz's tatting and crocheting the hyperbolic plane
Number theory tricks
Fawn Nguyen's Math Taboo Game (good for practicing vocabulary)
Fawn Nguyen's version of The Block Game
Other Cool Things
Wind Map
Perpetual Ocean
Information design visualizations
Jason Davies' data visualization
Stephen Von Worley's Dancing Prime Factors
Jonathon Claydon's sidewalk chalk graphing
Resources
Tasks and Lessons
Shell Center tasks and assessments
Yummy Math lessons
Mathalicious real-world problems
Illustrative Mathematics' lessons by standard
Dan Meyer's Three-Act math tasks
Mr. Robinson's Three-Act math tasks
Andrew Stadel's Three-Act math tasks
Timon Puccini's Three-Act math tasks and links to others
Robert Kaplinsky's math tasks and lessons
Educreations
Balanced Assessment
Julia Robinson's math problems (Math Festival Activities)
Inside Mathematics' Problem of the Month
Steve Miller's Math Riddles
Middle School Math Problems by Five Triangles
Michael Pershan's analysis of math mistakes
101 Questions
Visual Patterns
Estimation180
Daily Desmos (graphing challenge)
Famous Mathematicians and Their Theorems
Other Online Filing Cabinets
Sam Shah's original Virtual Filing Cabinet
Sandra Miller's virtual filing cabinet
Julie Reulbach's list of online filing cabinets
General Resources
Mathtwitterblogosphere
Collection of thoughts on what makes a classroom work
Daniel Schneider's resources for new teachers
Kate Nowak's collection of links
PD
Global Math Department (online conference every Tues night)
Infinite Tangents podcast
Annenberg Learner free courses for teachers (can also be used for students)
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