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Links to lessons, resources, and slides are available below.
(Unable to find what you’re looking for? Drop me a line.)

Presentation

• Slides (large file, be patient)

Lessons

• Lift the Rainbow (How many Skittles are in the barbell plates?)
• How Much Does A 100×100 In-N-Out Cheeseburger Cost? (via Robert Kaplinsky)
• The Stelvio Pass in northern Italy (via Daily Overview)
• Automatic Change Dispenser
• The Running Game
• Charge! (available in the slide deck)
• Mailbox Countdown
• Double Stuf vs Mega Stuf (via Dan Anderson)
• Penny Pyramid (via Dan Anderson)
• How Many Gumballs Fit In The Gumball Machine? (via Robert Kaplinsky)
• How Big Is The Vehicle That Uses Those Tires? (via Robert Kaplinsky)
• How Much Money IS That?! (via Robert Kaplinsky)
• Van Gogh’s Starry Night in Post Its (via Nathan Kraft)
• Stacked Cups (via Nathan Kraft) 
• Triangle of Toothpicks (via Nathan Kraft)
• Ticket to Ride (via Dan Meyer)
• Super Stairs (via Dan Meyer)
• Car Caravan (via Dan Meyer)
• Filing Cabinet (via Andrew Stadel)
• Deodorant (via Andrew Stadel)
• Ball Pyramid (via Bob Lochel)
• Water Tank (via Dan Meyer)
• Mullet Ratio (via Matt Vaudrey)
• The Nanny (available in the slide deck)
• Sum To One
• Point, Point, Slope
• Two-Step Equations (via Open Middle)

Resources

• How to Solve It (by George Polya)
• Ever Notice What They’d Wonder? (Annie Fetter’s Ignite Talk)
• Fawn Nguyen’s Blog
• 101 Questions
• Dan Meyer’s Three Act Tasks
• Michael Fenton’s Blog
• Michael Fenton’s Lessons
• Andrew Stadel’s Lessons
• Nathan Kraft’s Virtual Filing Cabinet
• Dan Meyer’s TED Talk (Math Class Needs a Makeover)
• Dan Meyer’s Blog
• Common Core Curriculum Maps (via Geoff Krall)
• Robert Kaplinsky’s Problem Based Lessons
• Problem Based Search Engine (via Robert Kaplinsky)
• Video Games and Making Math More Like Things Students Like (via Dan Meyer)
• Open Middle
• Open Middle Student Handout
• Mindset (by Carol Dweck)
• Visual Patterns (via Fawn Nguyen)
• Five Practices book (by Margaret Smith and Mary Kay Stein)
• Orchestrating Discussions article (via NCTM)

Open Middle Makeover