@MsCastillosMath profile picture
Catherine Castillo @MsCastillosMath

Mother. Educator. 🌊 Lover. 🌲 Hugger. Creator. Advocate of joyful math. Ed.D. Sr. Implementation Specialist at IM. Tweets are my own.

Joined March 2015
  • Tweets 6,864
  • Following 1,698
  • Followers 1,852
1,127 Photos and videos
I’m trying to build my social media presence for my art. Please follow me on Instagram @SunshineGirlArts !
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
3 Jul 2025
Exciting news! We’re partnering with @hand2mind to provide Interactive Center Kits & Manipulative Kits, bringing IM Certified® curricula to life! 🙌 ✅ Minimal prep ✅ Hands-on practice ✅ Problem-based learning & fluency support Read more: knowim.org/news #LearnWithIM
Exciting news! We’re partnering with @hand2mind to provide Interactive Center Kits & Manipulative Kits, bringing IM Certified® curricula to life! 🙌 ✅ Minimal prep ✅ Hands-on practice ✅ Problem-based learning & fluency support Read more: knowim.org/news #LearnWithIM

ALT Exciting news! We’re partnering with @hand2mind to provide Interactive Center Kits & Manipulative Kits, bringing IM Certified® curricula to life! 🙌 ✅ Minimal prep ✅ Hands-on practice ✅ Problem-based learning & fluency support Read more: knowim.org/news #LearnWithIM

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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
13 Jun 2025
🚨 It’s almost go time! #LitMath2025 kicks off next week, and we are ready. 📍 Visit IM at BOOTH #107 to chat math, pick up free resources, and explore the power of problem-based learning. We can’t wait to meet you in Chicago! 🔗 Learn more: knowim.org/events #IMxEvents
🚨 It’s almost go time! #LitMath2025 kicks off next week, and we are ready. 📍 Visit IM at BOOTH #107 to chat math, pick up free resources, and explore the power of problem-based learning. We can’t wait to meet you in Chicago! 🔗 Learn more: knowim.org/events #IMxEvents

ALT 🚨 It’s almost go time! #LitMath2025 kicks off next week, and we are ready. 📍 Visit IM at BOOTH #107 to chat math, pick up free resources, and explore the power of problem-based learning. We can’t wait to meet you in Chicago! 🔗 Learn more: knowim.org/events #IMxEvents

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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
12 Jun 2025
📢 Integrated Math 1 in Spanish is now on AccessIM! ✅ Supports Spanish-speaking students ✅ Free, high-quality IM Certified® curriculum ✅ Anytime, anywhere access 👉 Visit AccessIM.org to explore it now. #MathEquity #BilingualEducation #AccessIM #LearnWithIM
📢 Integrated Math 1 in Spanish is now on AccessIM! ✅ Supports Spanish-speaking students ✅ Free, high-quality IM Certified® curriculum ✅ Anytime, anywhere access 👉 Visit AccessIM.org to explore it now. #MathEquity #BilingualEducation #AccessIM #LearnWithIM

ALT 📢 Integrated Math 1 in Spanish is now on AccessIM! ✅ Supports Spanish-speaking students ✅ Free, high-quality IM Certified® curriculum ✅ Anytime, anywhere access 👉 Visit AccessIM.org to explore it now. #MathEquity #BilingualEducation #AccessIM #LearnWithIM
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
30 May 2025
🗣️ What does it take to unlock meaningful student discourse in math class? Our latest #IMxBlog post with @MsCastillosMath dives into how to create a classroom where students lead the conversation. 👉 Read it now: knowim.org/discourse #LearnWithIM
🗣️ What does it take to unlock meaningful student discourse in math class? Our latest #IMxBlog post with @MsCastillosMath dives into how to create a classroom where students lead the conversation. 👉 Read it now: knowim.org/discourse #LearnWithIM

ALT 🗣️ What does it take to unlock meaningful student discourse in math class? Our latest #IMxBlog post with @MsCastillosMath dives into how to create a classroom where students lead the conversation. 👉 Read it now: knowim.org/discourse #LearnWithIM
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
3 Jun 2025
🎙️ What if math wasn’t about steps to memorize—but problems to make sense of? In this Teaching That Counts podcast episode, April Mouton of IM shares how problem-based learning shifts the way students experience math. @maestasteach 🎧 Listen: knowim.org/podcasts #LearnWithIM
🎙️ What if math wasn’t about steps to memorize—but problems to make sense of? In this Teaching That Counts podcast episode, April Mouton of @IllustrateMath shares how problem-based learning shifts the way students experience math. 🎧 Listen: knowim.org/podcasts #LearnWithIM

ALT 🎙️ What if math wasn’t about steps to memorize—but problems to make sense of? In this Teaching That Counts podcast episode, April Mouton of @IllustrateMath shares how problem-based learning shifts the way students experience math. 🎧 Listen: knowim.org/podcasts #LearnWithIM
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
4 Jun 2025
🧠 New on the #IMxBlog: “Unlocking the ‘Our’ in Discourse” gives practical strategies to build rich student discourse in math class through: ✅ Classroom norms ✅ Productive struggle ✅ Student agency ✅ Peer collaboration 👉 Read more: knowim.org/discourse @MsCastillosMath
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
12 May 2025
What reasoning do you hope to hear from your students in the discussion? What content could this warm-up activity help prepare students for? Comment to let us know and then check out the lesson in the IM K–5 curriculum: accessim.org/k-5/grade-5/uni…
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
14 May 2025
🚨 IM® v.360 Integrated Math 2 & 3 are now available on AccessIM! 🎉 With this launch, the full 9–12 Integrated Pathway is complete—building on the strong foundation of Integrated Math 1. Explore the full suite of IM v.360 courses: 👉 AccessIM.org #LearnWithIM
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
17 May 2025
🎉 Greenfield Elementary just adopted IM® K–5 Math districtwide! Teacher Eric Saucier praised IM’s hands-on, engaging approach, while Principal Hilliard said the curriculum is making a measurable impact on student learning. 🙌 Read the full story here: knowim.org/news
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Loved getting to speak with these brilliant math leaders in Syracuse and Nashville and hear about their amazing IM implementation journeys!
Illustrative Mathematics@IllustrateMath
9 Apr 2025
🎉 IM’s Exclusive Webinar Is Now Live! 🎉 Hear from district leaders & IM experts as they share insights on: ☑️ Problem-Based Instruction ☑️ Best Implementation Practices ☑️ Overcoming Adoption Challenges Watch now on any device: knowim.org/webinar. #IMxWebinars
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Catherine Castillo retweeted
Tom Loveless
@tomloveless99
26 Feb 2025
Replacing Common Core with a different set of standards will solve very little. The United States cannot regulate its way to educational excellence. It’s time to invest resources in improving the basic science of education—including the discovery of new,
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
26 Feb 2025
Empower Your Coaching with IM Academy! Join our Coaching Problem-Based Teaching & Learning sessions to gain practical strategies for supporting K–5 and 6–12 educators and students. Sessions are filling up! ➡️ Register now to secure your spot: illustrativemathematics.org/…
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Catherine Castillo retweeted
David Huber, Ed. D.@DavidJHuber
3 Jan 2025
Is this @IllustrateMath or organized chaos… or an amazing Grade1 math lesson during our 2nd in-school learning day of the year! Thanks #sssct staff and families for making today amazing for our kids. We are proud to be a #Title1 school @EducateCT @SecCardona
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Catherine Castillo retweeted
Brad Weinstein
@WeinsteinEdu
22 Dec 2024
Character counts! 🙌
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
20 Dec 2024
📣Exciting news for inclusive math education! Learn how IM’s implementation supports are making a difference among students with disabilities. Be sure to check out our latest blog post! 📖 Read more on the #IMxBlog now: illustrativemathematics.blog… #LearnWithIM
📣Exciting news for inclusive math education! Be sure to check out our latest blog post, Empowering All Storytellers (Tips for Engaging Special Populations Using IM® v.360 6–12) by Tina Cardone, Specialist, 9–12 Content, and Brea Jimenez, Sr. Specialist, Facilitator Certification and Quality Assurance. 📖 Read more on the #IMxBlog now: https://illustrativemathematics.blog/2024/12/10/empowering-all-storytellers-tips-for-engaging-special-populations-using-im-v-360-for-grade-6-12/ #LearnWithIM

ALT 📣Exciting news for inclusive math education! Be sure to check out our latest blog post, Empowering All Storytellers (Tips for Engaging Special Populations Using IM® v.360 6–12) by Tina Cardone, Specialist, 9–12 Content, and Brea Jimenez, Sr. Specialist, Facilitator Certification and Quality Assurance. 📖 Read more on the #IMxBlog now: https://illustrativemathematics.blog/2024/12/10/empowering-all-storytellers-tips-for-engaging-special-populations-using-im-v-360-for-grade-6-12/ #LearnWithIM

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I just published my dissertation findings in visual format on my blog for anyone interested in the findings. My research question was, “What teacher actions support successful facilitation of mathematical discourse?”
Catherine Castillo@MsCastillosMath
19 Dec 2024
Teacher Actions That Support Mathematical Discourse  mscastillosmath.com/2024/12/… via @MsCastillosMath
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Teacher Actions That Support Mathematical Discourse  mscastillosmath.com/2024/12/… via @MsCastillosMath

Teacher Actions That Support Mathematical Discourse 

Well I did it! I published and defended my dissertation. My committee was so wonderful and supportive and they urged me to publish my findings in other places. So here we go! I know that a disserta…

mscastillosmath.com
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Thanks for the share @robertkaplinsky !
Robert Kaplinsky@robertkaplinsky
9 Nov 2024
If you teach K-5, check out these 3-act tasks from @MsCastillosMath. Fun ideas to get kids making sense of math: mscastillosmath.wordpress.co…
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Catherine Castillo retweeted
Illustrative Mathematics@IllustrateMath
9 Nov 2024
🧠✨ In our new blog post for #NationalSTEAMDay, Dr. Anita Crowder, and Kathleen Whittle dive into Maximizing the M in STEAM. Discover how math enriches science, technology, engineering, and art! 👉 Read more on the #IMxBlog: illustrativemathematics.blog… #LearnWithIM
🧠✨ In our newest blog post for #NationalSTEAMDay, Dr. Anita Crowder, and Kathleen Whittle dive into Maximizing the M in STEAM. Mathematics is more than equations; it’s the key to creative problem-solving and logical thinking in every STEAM field. Discover how math enriches science, technology, engineering, and art through cross-disciplinary learning! 👉 Read more now on the #IMxBlog: https://illustrativemathematics.blog/2024/11/08/maximizing-the-m-in-steam-means-math/

ALT 🧠✨ In our newest blog post for #NationalSTEAMDay, Dr. Anita Crowder, and Kathleen Whittle dive into Maximizing the M in STEAM. Mathematics is more than equations; it’s the key to creative problem-solving and logical thinking in every STEAM field. Discover how math enriches science, technology, engineering, and art through cross-disciplinary learning! 👉 Read more now on the #IMxBlog: https://illustrativemathematics.blog/2024/11/08/maximizing-the-m-in-steam-means-math/

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