Five Twelve Thirteen
fivetwelvethirteen.skystack.xyz
Five Twelve Thirteen
@fivetwelvethirteen.skystack.xyz
My blog about teaching, math, and teaching math


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Radiologists, DeltaMath, and Narrow Learning • The illusion of durable learning with education technology
Radiologists, DeltaMath, and Narrow Learning
The illusion of durable learning with education technology
fivetwelvethirteen.substack.com
December 22, 2025 at 4:23 PM
How I Trained My Memory • And what training it taught me about learning
How I Trained My Memory
And what training it taught me about learning
fivetwelvethirteen.substack.com
December 16, 2025 at 1:24 PM
High Accountability Teaching • All the little nudges that motivate students to learn
High Accountability Teaching
All the little nudges that motivate students to learn
fivetwelvethirteen.substack.com
December 9, 2025 at 4:23 PM
An Alternative to I/We/You • Instead of gradual release of responsibility, try gradual increase in difficulty
An Alternative to I/We/You
Instead of gradual release of responsibility, try gradual increase in difficulty
fivetwelvethirteen.substack.com
December 2, 2025 at 4:27 PM
Glimpses • How I approach explorations in math class
Glimpses
How I approach explorations in math class
fivetwelvethirteen.substack.com
November 25, 2025 at 4:25 PM
Why Didn't It Stick? • Students forget things. What can we do to help more students remember?
Why Didn't It Stick?
Students forget things. What can we do to help more students remember?
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Expansion • Building from what students know to what we want them to learn
Expansion
Building from what students know to what we want them to learn
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Followup: A Week of Teaching • How I structured this last week of math classes
Followup: A Week of Teaching
How I structured this last week of math classes
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
A Multi-Stranded Math Curriculum • A different way to organize 7th grade math
A Multi-Stranded Math Curriculum
A different way to organize 7th grade math
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Two Ways to Check for Understanding • Strategies to see every single student's thinking
Two Ways to Check for Understanding
Strategies to see every single student's thinking
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
The Core Challenge of Public Education • Why school is the way it is
The Core Challenge of Public Education
Why school is the way it is
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Why Some Students Learn Faster • A hypothesis about teaching and learning
Why Some Students Learn Faster
A hypothesis about teaching and learning
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Don't Just Practice the Thing • Break it down: maybe the most important skill in teaching
Don't Just Practice the Thing
Break it down: maybe the most important skill in teaching
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
A Nice Worksheet • Connect each problem to the problem before it
A Nice Worksheet
Connect each problem to the problem before it
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Incremental Fact Fluency • Sorry, I can't think of a better name
Incremental Fact Fluency
Sorry, I can't think of a better name
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
You Teach a Class of 25 Individual Students, Not a Monolithic Many-Headed Behemoth • Three examples
You Teach a Class of 25 Individual Students, Not a Monolithic Many-Headed Behemoth
Three examples
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Why I'm Not a Fan of Cold Call • It's done badly more often than it's done well
Why I'm Not a Fan of Cold Call
It's done badly more often than it's done well
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Quick Thought: Phone Bans and Choice • Why many students respond well to phone bans
Quick Thought: Phone Bans and Choice
Why many students respond well to phone bans
fivetwelvethirteen.substack.com
November 20, 2025 at 9:47 AM
Tracking: Harder Than It Sounds • Railing against oversimplified takes in education
Tracking: Harder Than It Sounds
Railing against oversimplified takes in education
fivetwelvethirteen.substack.com
November 20, 2025 at 9:48 AM
All Learning Happens in Small Steps • A theory
All Learning Happens in Small Steps
A theory
fivetwelvethirteen.substack.com
November 20, 2025 at 9:48 AM
Some Strategies for Motivation • Nothing groundbreaking here, but a lot of little things that make a difference
Some Strategies for Motivation
Nothing groundbreaking here, but a lot of little things that make a difference
fivetwelvethirteen.substack.com
November 20, 2025 at 9:48 AM
A Dose of AI Skepticism • Maybe that thing you thought is better isn't actually better
A Dose of AI Skepticism
Maybe that thing you thought is better isn't actually better
fivetwelvethirteen.substack.com
November 20, 2025 at 9:48 AM
What I've Learned from Direct Instruction • A few ideas I've incorporated into my teaching
What I've Learned from Direct Instruction
A few ideas I've incorporated into my teaching
fivetwelvethirteen.substack.com
November 20, 2025 at 9:48 AM