Teaching for Perplexity

Perplexity, Then Standard

LinkTechnology Tutorials

LinkDaily Doozy

LinkGrammar Mistakes

LinkApostrophe Abuse

LinkWhat If Everybody In Canada Flushed At Once

LinkHoles Movie Clip and Activity

LinkOrbeez Movie Clip and Activity

LinkGoogle Voice Tutorial

LinkShort Yellow Lights

LinkPlaying Catch-Up

LinkThe Short Shovel

LinkThe Ticket Roll


LinkThree-Act Math Tasks

You Pour, I Choose

LinkYou Pour, I Choose


Deconstruct the experience. What are the three acts of this story? What were the teacher moves? How is it different than the same kind of problem in a textbook?


FileTextbook Modeling

Finish the Story

Popcorn Picker

Which acts are missing? What media or information would you need to gather to turn these partial stories into complete math problems?

Proportion / Ratio

LinkDueling Discounts

LinkFinals Week

LinkPrint Job

LinkSugar Packets

LinkSuper Bear


Link25 Billion Apps

LinkPlaying Catch-Up

LinkDomino Skyscraper




LinkBubble Wrap

LinkBurning Man

LinkCar Caravan

LinkCoffee Traveler

LinkFile Cabinet

Intellectual Need Rules for the Road

LinkRules for the Road


  1. Email a photo or a video that’s less than one minute long to dan@mrmeyer.com that you think will provoke a lot of questions. Deadline is 9PM tonight.
  2. Take the end-of-the-day survey.

LinkEnd-of-the-Day Survey

Age Guessing

Guess the Age

LinkGuess the Age Slides

Break Their Old Tools

Pressure Points

FileSystems of Equations

FileSlope Formula

FileMeasures of Central Tendency


FileFactoring Trinomials

FileAngle Labels

FileScientific Notation

LinkReport Out

Perplexing Photos & Videos

LinkHow Perplexing Are They?


Just Add Need

fileCheckerboard Borders

FileAngular Velocity

FileBead Store

FileBedroom Area

FileBrick Patio

FileCar Wreck

FileMarine Biology

FileMini Golf

FilePostal Service

FileRemote Control Car

LinkReport Out


LinkThree-Act Math Tasks

LinkVideo Story Problems (Primary Grades)

LinkGeoff Krall’s Problem-Based Learning Maps