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Category Archives: Modeling
3Act Task: A 5thgrade lesson captured
A while back I shared a kindergarten lesson and I was really happy with the way it turned out. The 5thgrade lesson below, not so much. The students did great but there are definitely some things I need to improve. We recently finished up … Continue reading
Posted in 35, 3Act Tasks, 68, Estimation, Fractions, Intellectual Need, Math Progressions, Modeling, Teacher Content
14 Comments
The Task Graveyard
It’s where my ideas go to die. But like the mighty phoenix, I have one idea for a task that keeps rising from the ashes. It just won’t die. If Bruce Willis was a math task, I’ve seen his face. … Continue reading
I’m Placing a Hit on the PseudoContext
This robs students of everything mathematics should be… The “real world” connection The stepbystep procedure Circle the numbers you need to solve the problem The pseudocontext word problem. Lesson 19.2 infers that this unit is frontend load with procedures and formulas … Continue reading
Get Your Model On: Modeling in the Elementary Grades
Dan Meyer’s work on mathematical modeling has been instrumental in shaping my own understanding. I’m super thankful for Dan’s commitment to SMP #4 over the years. So when he recently posted that he was shifting gears, I was bummed. It was like … Continue reading
When Student Thinking Hits the Wall: VNPS
First week back to school and I was chomping at the bit to begin working on my #1TMCthing. My quick backstory about VerticalNonPermanentSurfaces (aka VNPS) I first found out about VNPS on Nathan Kraft’s blog which referred me to Alex Overwijk’s … Continue reading
The Manipulative Whisperers: The model tells a story
If you listen carefully you will hear them. They sit motionless in every classroom, on top of desks, waiting to tell a story. Without the story they are nothing. What’s most difficult is that you can’t speak for them because the … Continue reading
Perplexity Drives Productivity
I think about the question mark every time I teach a lesson. I’ve been so carefully to get to this point. Yet sometimes my question mark comes from a path that looks like this. The opening part of the lesson is over … Continue reading
Posted in 3Act Tasks, Intellectual Need, Modeling, Patient Problem Solving, Planning
Tagged 3Act tasks, assiimilation, Dan Meyer, Open Middle, perplexity, Robert Kaplinsky
3 Comments
Undoing Concrete Models
Students can create models that represent their understanding, but can they undo models that explain the reasoning of others? It was time to find out. I showed this picture to a 5th grade class and asked them to write an equation … Continue reading
Posted in 35, 68, Cheese Mover, Estimation, Math Tools, Modeling, Number Sense, Strategy Development
5 Comments
Teaching Keywords? Forget About it!
I received an email from a principal in my district last Tuesday: Please send me info on why teachers should be careful about teaching kids to pull out keywords from word problems as a key way to define what operation to … Continue reading
More than one way to skin a task!
I tried “the Big Pad” with a 4th grade class and my anticipation of possible solutions was way off!!! I mean, c’mon Graham, think outside the box. Our students attacked this problem in more ways than a charter bus filled with senior citizens attacks an … Continue reading
Posted in Fractions, Making Math Accessible, Math Tools, Modeling, Patient Problem Solving, SMPs
Tagged 3act task, 4th grade, manipulatives, Mathematical Practice, modeling, postits, SMP
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