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Tom Sextro

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Holton, Kansas, United States
About the store
I’ve spent over 30 years in education as both a middle and high school math teacher and a technology director. I began my career teaching math and computer science, then spent many years helping schools use technology in practical, meaningful ways. After retiring from my technology director role, I returned to the classroom to teach Algebra 1. That experience gave me a fresh look at what today’s teachers and students really need. For years, I had hoped that 1:1 classrooms would lead to more day-to-day, unit-specific technology use. But when I got back into the classroom, I realized that many of the quick, simple, focused apps I wanted for my own lessons just were not there. My resources are built from that mix of classroom experience and technology background. I focus on creating practical, engaging digital activities that are easy for teachers to use, helpful for students, and realistic for real classrooms. Teachers do not always need a huge platform. Sometimes they need one practical activity that fits exactly with the skill they are teaching that day. My goal is to create tools that help students see the math step by step, while giving teachers something they can use right away without extra setup, logins, or complicated directions. I also want the activities to feel engaging for students — almost like a simple math game — with levels, instant feedback, and a clear guided-to-independent practice structure.
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All resources

Preview of Reverse Fourth of July Coordinate Plane Mystery Pictures

Reverse Fourth of July Coordinate Plane Mystery Pictures

Created by
Tom Sextro
Reverse Fourth of July Coordinate Plane Mystery Pictures | Read & Type Ordered Pairs Celebrate Independence Day while helping students practice reading points on the coordinate plane. In this reverse version, students see a highlighted point on the graph and type the correct ordered pair. This gives students a different kind of coordinate plane practice than traditional plotting activities. Includes 25 interactive digital activities: * Quadrant 1 activities * Quadrants 1 & 2 activities * Quadran
Preview of Visual Integers: Money Model Integer Practice | 8-Level Digital Activity

Visual Integers: Money Model Integer Practice | 8-Level Digital Activity

Created by
Tom Sextro
Visual Integers: Money Model Integer Practice | 8-Level Digital Activity Do your students struggle with negative numbers? Many students can memorize integer rules but still don’t understand why the answers make sense. Visual Integers uses money, debt, and animated number-line movement to help students build real understanding of integer addition and subtraction. Instead of simply teaching “keep-change-change,” students learn what positive and negative numbers actually mean: * Having money * Owin
Preview of Reverse Halloween Coordinate Plane Mystery Pictures

Reverse Halloween Coordinate Plane Mystery Pictures

Created by
Tom Sextro
Reverse Halloween Coordinate Plane Mystery Pictures | Read & Type Ordered Pairs | Give students a fun Halloween-themed way to practice reading ordered pairs from a coordinate plane with this interactive digital mystery picture activity. Instead of giving students coordinates to plot, this reverse version shows students a highlighted point on the coordinate plane and asks them to type the correct ordered pair. Correct answers lock in as they work. When all points are identified correctly, the fin
Preview of Halloween Coordinate Plane Mystery Pictures

Halloween Coordinate Plane Mystery Pictures

Created by
Tom Sextro
Halloween Coordinate Plane Mystery Pictures | Plot Ordered Pairs | Give students a fun Halloween-themed way to practice plotting ordered pairs on the coordinate plane with this interactive digital mystery picture activity. Students are shown an ordered pair and click the correct point on the coordinate plane. Correct points lock in as they work. When all points are plotted correctly, the final colorful mystery picture is revealed with connected lines. This activity is a great way for students to
Preview of Back to School Coordinate Plane Mystery Pictures | Plot Ordered Pairs

Back to School Coordinate Plane Mystery Pictures | Plot Ordered Pairs

Created by
Tom Sextro
Back to School Coordinate Plane Mystery Pictures | Plot Ordered Pairs | Give students a fun back-to-school themed way to practice plotting ordered pairs on the coordinate plane with this interactive digital mystery picture activity. Students are shown an ordered pair and click the correct point on the coordinate plane. Correct points lock in as they work. When all points are plotted correctly, the final colorful mystery picture is revealed with connected lines. This activity is a great way for s
Preview of Visual Integers Free Preview: Money Model Integer Practice

Visual Integers Free Preview: Money Model Integer Practice

Created by
Tom Sextro
Visual Integers Free Preview: Money Model Integer Practice Looking for a better way to teach positive and negative numbers? Visual Integers Free Preview helps students understand integer operations using money, debt, and animated number-line movement. Instead of memorizing rules, students see why integer answers make sense through visual models and real-world scenarios. This free version includes two sample levels from the full activity and gives students an opportunity to experience the interac
Preview of FREE Reverse Coordinate Plane Mystery Picture | Read & Type Ordered Pairs | Demo

FREE Reverse Coordinate Plane Mystery Picture | Read & Type Ordered Pairs | Demo

Created by
Tom Sextro
FREE Reverse Coordinate Plane Mystery Picture | Read & Type Ordered Pairs Digital Activity Try this free reverse coordinate plane mystery picture activity with your students! Instead of giving students a list of ordered pairs to plot, this activity shows students a point on the coordinate plane and asks them to type the correct ordered pair. As students correctly identify each point, the activity progresses until the final mystery picture is revealed in color. This free demo gives students pract
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About the store

Experience

I’ve spent over 30 years in education as both a middle and high school math teacher and a technology director. I began my career teaching math and computer science, then spent many years helping schools use technology in practical, meaningful ways. After retiring from my technology director role, I returned to the classroom to teach Algebra 1. That experience gave me a fresh look at what today’s teachers and students really need. For years, I had hoped that 1:1 classrooms would lead to more day-to-day, unit-specific technology use. But when I got back into the classroom, I realized that many of the quick, simple, focused apps I wanted for my own lessons just were not there. My resources are built from that mix of classroom experience and technology background. I focus on creating practical, engaging digital activities that are easy for teachers to use, helpful for students, and realistic for real classrooms. Teachers do not always need a huge platform. Sometimes they need one practical activity that fits exactly with the skill they are teaching that day. My goal is to create tools that help students see the math step by step, while giving teachers something they can use right away without extra setup, logins, or complicated directions. I also want the activities to feel engaging for students — almost like a simple math game — with levels, instant feedback, and a clear guided-to-independent practice structure.

Teaching style

My teaching style is built around clarity, visuals, and student confidence. I like lessons where students can see what is happening, try it themselves, get immediate feedback, and improve without feeling stuck. I especially value activities that move students from guided practice to independent practice, because that is where real understanding starts to show.

Awards & shining teacher moments

One of my proudest moments has been returning to the classroom after many years in technology and using that experience to build tools my own students actually need. Seeing students engage with a computer based activity, understand a concept more clearly, and take ownership of their progress has reminded me why practical classroom technology matters.

My own education history

I have a background in mathematics and computer science, and I’ve spent my career helping schools integrate technology in meaningful ways. My current focus is bringing those two areas together to significantly improve classroom learning. Feel free to contact me at my new business email address with any issues you run into. Feel free to contact me at tom@k12focus.com with any issues, questions, or ideas for classroom apps that would be helpful in your own teaching. I’m especially interested in building simple digital tools that solve real classroom problems.

Additional biographical information

I specialize in creating practical classroom tools that save teachers time while improving student focus, confidence, and engagement. My resources are designed to be low-prep, student-friendly, and easy to implement for daily lessons, review, intervention, early finishers, or substitute plans. I’m also interested in how classrooms can evolve through teacher-created interactive tools, smarter approaches to student focus, and better ways to preserve educator wisdom. I share ongoing ideas and progress here: https://www.linkedin.com/in/tomsextro/ https://k12focus.com https://tomsextro.com