Duane Habecker
@duanehabecker.com
I’ve been doing math education in California since 1989. Math is a civil right ALL students deserve. I will occasionally post about my children or my chickens.
#TapeDiagramTuesday #iTeachMath #RecreationalMath
#TapeDiagramTuesday #iTeachMath #RecreationalMath
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
January 13, 2026 at 12:01 PM
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
January 13, 2026 at 12:00 PM
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
Reposted by Duane Habecker
Deck of fraction cards: docs.google.com/document/d/1... 72 cards up through eighths, 108 for up to the twelfths.
Fraction Deck 26
12 13 23 14 24 34 16 26 36 46 ...
docs.google.com
January 10, 2026 at 8:39 PM
Deck of fraction cards: docs.google.com/document/d/1... 72 cards up through eighths, 108 for up to the twelfths.
Hey folks! Howie Hua will be sharing his amazing wisdom with us on January 15, 2026 from 4pm – 5pm Pacific time. Join us for this FREE webinar!
Register: tinyurl.com/CMC-Webi...
Howie Hua @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
Register: tinyurl.com/CMC-Webi...
Howie Hua @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
January 8, 2026 at 9:00 PM
Hey folks! Howie Hua will be sharing his amazing wisdom with us on January 15, 2026 from 4pm – 5pm Pacific time. Join us for this FREE webinar!
Register: tinyurl.com/CMC-Webi...
Howie Hua @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
Register: tinyurl.com/CMC-Webi...
Howie Hua @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
Reposted by Duane Habecker
The new "bible" of Educational Measurement is out (open-access version available at the top right). This is the go-to resource for the next decade about all things measurement, including my chapter with @andrewdeanho.bsky.social on test-based accountability global.oup.com/academic/pro...
global.oup.com
January 6, 2026 at 4:05 PM
The new "bible" of Educational Measurement is out (open-access version available at the top right). This is the go-to resource for the next decade about all things measurement, including my chapter with @andrewdeanho.bsky.social on test-based accountability global.oup.com/academic/pro...
Hey folks! Howie Hua will be sharing his amazing wisdom with us on January 15, 2026 from 4pm – 5pm Pacific time. Join us for this FREE webinar!
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
January 6, 2026 at 4:00 PM
Hey folks! Howie Hua will be sharing his amazing wisdom with us on January 15, 2026 from 4pm – 5pm Pacific time. Join us for this FREE webinar!
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
January 6, 2026 at 12:01 PM
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
January 6, 2026 at 12:00 PM
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
Hey folks! Howie Hua will be sharing his amazing wisdom with us on January 15, 2026 from 4pm – 5pm Pacific time. Join us for this FREE webinar!
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
January 5, 2026 at 11:34 PM
Hey folks! Howie Hua will be sharing his amazing wisdom with us on January 15, 2026 from 4pm – 5pm Pacific time. Join us for this FREE webinar!
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
Register: tinyurl.com/CMC-Webi...
@howiehua.bsky.social @howie_hua #iTeachMath @cmcmath.bsky.social
@CAMathCouncil
This is a wonderful resource for anyone who supports teachers in improving their math instruction.
Develop class-wide social norms specific to math 🧵 #iTeachMath
For example, the norm of using mathematical representations to support your explanations is a subject-specific norm critical to discourse and work in mathematics
library.teachingworks.org/curriculum-r...
For example, the norm of using mathematical representations to support your explanations is a subject-specific norm critical to discourse and work in mathematics
library.teachingworks.org/curriculum-r...
January 4, 2026 at 8:59 PM
This is a wonderful resource for anyone who supports teachers in improving their math instruction.
An incredibly powerful reminder of what happened 5 years ago. We cannot allow history to be erased or forgotten.
Jan. 6, 2021: A visual archive of the Capitol attack
NPR’s Jan. 6 archive brings together reporting, video, documents and testimony to show what really happened during the Capitol riot. Explore the timeline, cases and evidence behind the attack.
apps.npr.org
January 4, 2026 at 8:12 PM
An incredibly powerful reminder of what happened 5 years ago. We cannot allow history to be erased or forgotten.
I’d like to take a Mulligan right now.
January 1, 2026 at 5:18 PM
I’d like to take a Mulligan right now.
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
January 1, 2026 at 4:00 AM
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
December 31, 2025 at 7:00 PM
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
December 30, 2025 at 12:01 PM
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
December 30, 2025 at 12:00 PM
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
December 29, 2025 at 7:00 PM
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
December 24, 2025 at 7:00 PM
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
December 24, 2025 at 4:29 AM
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
December 23, 2025 at 12:01 PM
It's time for your #TapeDiagramTuesday extra challenge!
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
Model your solution strategy with a tape diagram.
Then share it with the community!
#iTeachMath
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
December 23, 2025 at 12:00 PM
It's time for #TapeDiagramTuesday!Here's what to do:
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
1. Pick a problem.
2. Solve it using a tape diagram to model your thinking.
- - - - OR - - - -
Give the problem to your students to model.
3. Share your model with
#TapeDiagramTuesday #iTeachMath
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
December 19, 2025 at 7:00 PM
Join us in Bakersfield for the famous CMC-Central Symposium on March 13 & 14, 2026. Game Night will be epic this year.
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Information & registration: web.cvent.com/event/...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Join us on December 18, 2025 at 4pm (Pacific Time) to hear Odalis Amparo share her thinking on “Bridging Language and Mathematics: Best Practices or Multilingual Learners“.
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
December 18, 2025 at 12:00 AM
Join us on December 18, 2025 at 4pm (Pacific Time) to hear Odalis Amparo share her thinking on “Bridging Language and Mathematics: Best Practices or Multilingual Learners“.
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
Join us on December 18, 2025 at 4pm (Pacific Time) to hear Odalis Amparo share her thinking on “Bridging Language and Mathematics: Best Practices or Multilingual Learners“.
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
December 17, 2025 at 1:00 PM
Join us on December 18, 2025 at 4pm (Pacific Time) to hear Odalis Amparo share her thinking on “Bridging Language and Mathematics: Best Practices or Multilingual Learners“.
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
FREE Registration: tinyurl.com/CMC-Webi...
@cmcmath.bsky.social @CAMathCouncil #iTeachMath
I'm in a meeting with many smart mathematicians to analyze data collected from a few free-response questions. We have quickly devolved into allowing ChatPT to do the intellectual heavy-lifting on our behalf. ChatGPT should enable our thinking not replace our thinking. #iTeachMath
December 16, 2025 at 11:16 PM
I'm in a meeting with many smart mathematicians to analyze data collected from a few free-response questions. We have quickly devolved into allowing ChatPT to do the intellectual heavy-lifting on our behalf. ChatGPT should enable our thinking not replace our thinking. #iTeachMath