NCTM 2026
Change the way you think about math!
NCTM discount available!
Explore Session Resources
In addition to the session handouts, we you’ll find links to resources that can support numeracy development in the classroom!
M³ Membership Sneak Peek
Curious about our online membership? Preview our extensive library of materials designed for educators who want clarity, confidence, and consistency in math instruction.
Explore Free Resources
Looking for tools you can use right away? Whether you teach Kindergarten or 8th grade, we’ve got something for you!
Watch SIS on NCTM TV!
Numeracy Development
A Missing Link in Early Math Instruction
Get a clear picture of your students' numeracy skills with our Numeracy Screener.
Administered digitally, get instant feedback on what your students know and don’t know, and find out how you can meet students’ needs on their level, including specific Deck o’ Dots games to play that support each skill!
Get the Number Talk Toolkit
Just open the slides, display them in your classroom, and start meaningful math discussions—no extra planning required! No more scrambling for the right problems or wondering how to guide student thinking. With these interactive decks, you’ll have everything you need to confidently lead numeracy/number talks that build deep understanding!
Increase math performance in
just 7-10 minutes, 3-5 times per week.
Toolkit Includes:
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- Grade-specific Interactive Slide Deck
- Implementation and Teacher’s Guide
- Strategy Posters
- Sentence Stems
- Video Tutorial
Build Number Sense, One Dot at a Time!
Deck o’ Dots are designed without digits to help children develop subitizing skills, recognize quantities at a glance, and build the number sense needed for higher-order mathematical thinking. Through visual patterns and purposeful activities, students explore number relationships, strengthen flexible thinking, and develop a deeper understanding of numbers. Discover how Deck o’ Dots can bring meaningful math conversations to your classroom!
Looking for Even More Support?
Become an M³ Member!
Get $50 off!
Use discount code: NCTM26
Want to look around first?
Enjoy browse-only access for 5 days!
Planning lessons that meet the needs of diverse learners can be overwhelming and time consuming. But our comprehensive library of resources is organized to support the instructional needs of K-5 teachers!
All resources in the M³ Membership library are designed to support hands-on, inquiry-based instruction that is developmentally-appropriate and caters to multiple learning styles. SIS4Teachers promotes a concrete-pictorial-abstract (CPA) approach and incorporates the 8 Standards for Mathematical Practice (8 SMPs) wherever possible.
Free Classroom Resources
Discover ready-to-use tools to make math instruction more engaging and effective. We offer a growing library of resources for elementary classrooms, from visual models and word problem to numeracy routines and games. And we’re just getting started with middle school, adding new resources to support older students in building strong number sense, problem-solving skills, and confidence in math. All resources are designed to save you time while helping students think deeply and enjoy learning.
About SIS4Teachers
SIS4Teachers is a team of passionate educators dedicated to transforming math instruction through hands-on tools, practical strategies, and meaningful professional development.
Founded by Shannon McCartney, an experienced elementary math consultant and creator of resources like Math Mights and Deck o’ Dots, SIS4Teachers helps teachers build strong numeracy foundations and deeper mathematical thinkers. Our goal is simple: support educators with classroom-ready ideas that make math engaging, purposeful, and effective for all students.
Ready for transformative strategies that elevate math instruction?
Thousands of K-12 schools struggle to meet math performance standards, leaving them at a loss for how to improve results.
Strategic Intervention Solutions provides professional development, coaching, and classroom resources to help teachers confidently equip their students to excel in math.
Proud to Partner with:
Elementary and Middle School options available