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Tom Sextro Math

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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 End-of-Year Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities

End-of-Year Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities

Created by
Tom Sextro Math
End-of-Year Coordinate Plane Mystery Pictures | 25 Digital Graphing ActivitiesKeep students engaged during the final days of school with this fun End-of-Year Coordinate Plane Mystery Pictures digital activity pack! Students practice plotting ordered pairs on the coordinate plane while revealing summer and school-themed mystery pictures. This resource includes 25 interactive digital graphing activities that are perfect for end-of-year math review, early finishers, math centers, sub plans, indep
Preview of Slope Landing Mission | Coordinate Plane Slope Game

Slope Landing Mission | Coordinate Plane Slope Game

Created by
Tom Sextro Math
🚀 Slope Landing Mission is an interactive coordinate plane and slope strategy game designed to help students build visual understanding of slope, rise over run, quadrants, and coordinate movement. Students guide a spaceship through asteroid fields by choosing or entering slopes, then calculating the next coordinate needed to safely reach the landing zone. This activity was designed to make slope feel like movement instead of simply memorizing formulas. Students practice: • Coordinate plotting •
Preview of Step-by-Step Algebra: Two-Step Equations Digital Practice

Step-by-Step Algebra: Two-Step Equations Digital Practice

Created by
Tom Sextro Math
Step-by-Step Algebra: Two-Step Equations Digital Practice gives students a visual, guided way to practice solving two-step equations using a balance-style method.This browser-based activity helps students slow down and see each part of the solving process. Students do not just guess the answer — they choose the correct step, follow the work, solve for x, and check the answer by substituting it back into the original equation.Students practice problems like:3x + 5 = 264x - 7 = 21x/2 + 3 = 112x +
Preview of Valentine’s Day Coordinate Plane Mystery Pictures

Valentine’s Day Coordinate Plane Mystery Pictures

Created by
Tom Sextro Math
Valentine’s Day Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities Students practice coordinate graphing with 25 interactive Valentine’s Day-themed mystery picture activities. Students are given ordered pairs and click the correct point on the coordinate plane. Correct answers lock in, and when all points are plotted, the mystery picture is revealed. Includes: * Quadrant 1 activities * Quadrants 1 & 2 activities * Quadrants 1–4 activities Features: * 25 digital activities * Immed
Preview of Christmas & Winter Coordinate Plane Mystery Pictures

Christmas & Winter Coordinate Plane Mystery Pictures

Created by
Tom Sextro Math
Christmas & Winter Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities Students practice coordinate graphing with 25 interactive Christmas and winter-themed mystery pictures. Students are given ordered pairs and click the correct point on the coordinate plane. Correct answers lock in, and when all points are plotted, the mystery picture is revealed. Includes: * Quadrant 1 activities * Quadrants 1 & 2 activities * Quadrants 1–4 activities Features: * 25 digital activities * Immedia
Preview of Reverse Thanksgiving Coordinate Plane Mystery Pictures

Reverse Thanksgiving Coordinate Plane Mystery Pictures

Created by
Tom Sextro Math
Reverse Thanksgiving Coordinate Plane Mystery Pictures | Read & Type Ordered Pairs Help students practice reading points on the coordinate plane with this set of 25 Thanksgiving-themed digital mystery picture activities. In this reverse version, students see a highlighted point on the graph and type the correct ordered pair. Correct answers lock in, and when all points have been identified, the Thanksgiving mystery picture is revealed. Includes: * Quadrant 1 activities * Quadrants 1 & 2 activiti
Preview of StackTac 3D Tic Tac Toe | Digital Strategy Game for Spatial Reasoning

StackTac 3D Tic Tac Toe | Digital Strategy Game for Spatial Reasoning

Created by
Tom Sextro Math
StackTac 3D Tic Tac Toe is a browser-based digital strategy game inspired by the kind of logic and spatial-reasoning games often used in advanced math classrooms, gifted programs, STEM enrichment, and strategy-based downtime. Students play on a virtual stacked tic-tac-toe board and try to create a winning line across rows, columns, layers, vertical paths, or diagonals. Instead of a flat tic-tac-toe board, students must think across multiple levels, making the game a good fit for practicing plann
Preview of Mountain Integer Quest: Integer Movement Game

Mountain Integer Quest: Integer Movement Game

Created by
Tom Sextro Math
Mountain Integer Quest is an interactive, visual integer movement game that helps students understand positive and negative integers through a mountain and scuba-diving adventure. Students move a climber above zero and a scuba diver below sea level while practicing integer movement on a vertical number line. Instead of only memorizing rules, students see how positive and negative numbers work as movement. The activity is built around one key relationship: Start + Movement = LandingStudents pract
Preview of Visual Concept Mastery: Writing Linear Equations from Graphs | 5 Digital Mini-Ap

Visual Concept Mastery: Writing Linear Equations from Graphs | 5 Digital Mini-Ap

Created by
Tom Sextro Math
Visual Concept Mastery: Writing Linear Equations from Graphs gives Algebra 1 students a hands-on, visual way to connect graphs, slope, y-intercepts, equations, and real-world linear situations. Instead of only answering worksheet questions, students interact with each graph. They fill in tables, plot correct ordered pairs, watch the line appear, and answer focused concept questions with hints and explanations. This resource includes 5 browser-based digital mini-apps plus a 15-question Perfect P
Preview of Interactive Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities

Interactive Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities

Created by
Tom Sextro Math
Give your students a fun, no-prep way to practice plotting ordered pairs on the coordinate plane! This resource includes 25 interactive coordinate plane mystery picture activities. Each activity is browser-based and ready to use. Teachers simply copy and paste the student activity link into Google Classroom, Canvas, Schoology, Seesaw, email, or another classroom platform. Students open the activity link, select a coordinate from the coordinate tray, and click the matching point on the coordinate
Preview of Reverse Fourth of July Coordinate Plane Mystery Pictures

Reverse Fourth of July Coordinate Plane Mystery Pictures

Created by
Tom Sextro Math
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 Step-by-Step Algebra: One-Step Inequalities Digital Practice

Step-by-Step Algebra: One-Step Inequalities Digital Practice

Created by
Tom Sextro Math
Step-by-Step Algebra: One-Step Inequalities Digital Practice gives students a guided, visual way to solve and graph one-step inequalities.This browser-based activity helps students slow down and think through each step. Students solve the inequality, choose the correct solution, and then graph the answer on a number line.Students practice problems like:x + 11 > 3x - 5 ≤ 84x < 20-7x ≥ -21x/7 < 2x/-5 < -4The activity shows paper-style work step by step, including:undoing additionundoin
Preview of Step-by-Step Algebra: Multi-Step Equations Digital Practice

Step-by-Step Algebra: Multi-Step Equations Digital Practice

Created by
Tom Sextro Math
Step-by-Step Algebra: Multi-Step Equations Digital Practice gives students a guided, visual way to solve multi-step equations one step at a time.This browser-based activity helps students slow down and decide what to do first. Students practice cleaning up the equation, choosing the correct next step, solving for x, and checking the answer in the original equation.Students practice problems like:4x + 3x - 3 = 115(x + 1) = 354(x - 4) + 8 = 203(x + 2) + 4x = 34The activity shows paper-style work s
Preview of Step-by-Step Algebra: Variables on Both Sides Digital Practice

Step-by-Step Algebra: Variables on Both Sides Digital Practice

Created by
Tom Sextro Math
Step-by-Step Algebra: Variables on Both Sides Digital Practice gives students a visual, guided way to solve equations that have variables on both sides.This browser-based activity helps students slow down and follow the solving process one step at a time. Students do not just guess the answer — they choose the correct next step, move the x-terms, solve for x, and check the answer in the original equation.Students practice problems like:3x + 5 = x + 176x - 4 = 2x + 202x + 7 = 9x - 493x + 6x - 8 =
Preview of Step-by-Step Algebra: One-Step Equations

Step-by-Step Algebra: One-Step Equations

Created by
Tom Sextro Math
Step-by-Step Algebra: One-Step Equations Digital Practice is an interactive browser-based activity that helps students solve one-step equations using a clear, paper-style balance method.Students do not just guess an answer. They work through the equation step by step. The app shows the original equation, the operation done to both sides, the arithmetic step, the final answer, and a check where the answer is substituted back in for x.This is designed for students who need to actually see what is
Preview of Visual Distributive Property Step-by-Step Algebra Practice

Visual Distributive Property Step-by-Step Algebra Practice

Created by
Tom Sextro Math
Make the distributive property easier to understand with this visual, step-by-step digital algebra activity. Students do not just answer problems — they see how the outside number multiplies each part inside the parentheses.This activity is designed for students who need the distributive property broken down clearly. It shows the multiplication step-by-step, including positive numbers, negative numbers, subtraction inside parentheses, fractions, decimals, and mixed review problems.Students are g
Preview of Visual Order of Operations | 12-Level Interactive PEMDAS Digital Activity

Visual Order of Operations | 12-Level Interactive PEMDAS Digital Activity

Created by
Tom Sextro Math
Visual Order of Operations | 12-Level Interactive PEMDAS Digital ActivityHelp students finally understand why each step happens in Order of Operations—not just memorize a rule.Unlike traditional worksheets that simply provide problems and answers, Visual Order of Operations allows students to see the thinking process unfold one step at a time. Students can work through guided examples, identify common mistakes, and control the pace of the explanations as they build confidence with PEMDAS.This in
Preview of Step-by-Step Algebra: Combining Like Terms

Step-by-Step Algebra: Combining Like Terms

Created by
Tom Sextro Math
Help students learn how to combine like terms by sorting, grouping, and building the final answer one step at a time.This digital algebra practice activity is designed for students who need more than just a worksheet. Instead of jumping straight to the answer, students see the expression broken into visual pieces. They sort x-terms with x-terms, number terms with number terms, combine each group, and then build the simplified expression.This is especially helpful for students who get confused by
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 Math
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 Summer Coordinate Plane Mystery Pictures

Reverse Summer Coordinate Plane Mystery Pictures

Created by
Tom Sextro Math
Reverse Summer Coordinate Plane Mystery Pictures | 25 Digital Read & Type Ordered Pair Activities Give students a different kind of coordinate plane challenge with this Reverse Summer Coordinate Plane Mystery Pictures digital activity set! Instead of being given an ordered pair to plot, students see a highlighted point on the coordinate plane and must type the correct ordered pair. Correct answers lock in, and when all points are completed, the summer mystery picture is revealed. This is a singl
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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