About the store
I’ve spent over 30 years in education as both a 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, which has given me a fresh look at what today’s teachers and students really need.
My resources are built from that mix of classroom experience and technology background. I focus on creating practical, engaging activities that are easy for teachers to use, helpful for students, and realistic for real classrooms.
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End-of-Year Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities
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
4th - 9th
Algebra, Graphing, Mental Math
Valentine’s Day Coordinate Plane Mystery Pictures
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
4th - 8th
Graphing, Math Test Prep
Christmas & Winter Coordinate Plane Mystery Pictures
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
4th - 8th
Graphing, Mental Math
Reverse Thanksgiving Coordinate Plane Mystery Pictures
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
5th - 8th
Graphing, Mental Math
StackTac 3D Tic Tac Toe | Digital Strategy Game for Spatial Reasoning
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
3rd - 12th
Other (Math)
Interactive Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities
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
4th - 12th
Algebra, Geometry, Graphing
Reverse Fourth of July Coordinate Plane Mystery Pictures
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
4th - 8th
Graphing, Mental Math, Numbers
Reverse Summer Coordinate Plane Mystery Pictures
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
5th - 8th
Graphing, Mental Math
Visual Order of Operations | 12-Level Interactive PEMDAS Digital Activity
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
5th - 9th
Algebra, Basic Operations, Math Test Prep
Visual Integers: Money Model Integer Practice | 8-Level Digital Activity
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
5th - 8th
Basic Operations, Mental Math, Numbers
Summer Coordinate Plane Mystery Pictures
Summer Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities Make coordinate plane practice more engaging with this Summer Coordinate Plane Mystery Pictures digital activity set! Students practice plotting ordered pairs by clicking the correct point on an interactive coordinate plane. Correct points lock in, and when all points are plotted, the summer mystery picture is revealed. This is a single-link digital activity with 25 summer-themed coordinate plane mystery pictures organized
5th - 8th
Graphing, Mental Math
Easter & Spring Coordinate Plane Mystery Pictures
Easter & Spring Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities Students practice coordinate graphing with 25 interactive Easter and spring-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 * Imm
4th - 8th
Graphing, Mental Math
Reverse End-of-Year Coordinate Plane Mystery Pictures | Type Ordered Pairs
Reverse Interactive Coordinate Plane Mystery Pictures | Read & Type Ordered Pairs | Original Set Give students a new way to practice ordered pairs and coordinate plane skills with this reverse coordinate plane mystery picture activity. Instead of giving students coordinates to plot, this activity shows students a point on the coordinate plane and asks them to type the correct ordered pair. As students identify each point correctly, the mystery picture is gradually completed. When all points are
4th - 8th
Graphing, Measurement, Mental Math
Reverse Easter & Spring Coordinate Plane Mystery Pictures
Reverse Easter & Spring Coordinate Plane Mystery Pictures | Read & Type Ordered Pairs Students practice reading points on the coordinate plane with 25 interactive Easter and spring-themed 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 mystery picture is revealed. Includes: * Quadrant 1 activities * Quadrants 1 & 2 activities * Quadrants 1–4
4th - 8th
Graphing, Mental Math
Reverse Valentine’s Day Coordinate Plane Mystery Pictures
Reverse Valentine’s Day Coordinate Plane Mystery Pictures | Read & Type Ordered Pairs Students practice reading points on the coordinate plane with 25 interactive Valentine’s Day-themed 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 mystery picture is revealed. Includes: * Quadrant 1 activities * Quadrants 1 & 2 activities * Quadrants 1–4 a
4th - 8th
Graphing, Mental Math
Reverse Christmas & Winter Coordinate Plane Mystery Pictures
Reverse Christmas & Winter Coordinate Plane Mystery Pictures | Read & Type Ordered Pairs Students practice reading points on the coordinate plane with 25 interactive Christmas and winter-themed 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 mystery picture is revealed. Includes: * Quadrant 1 activities * Quadrants 1 & 2 activities * Quadran
5th - 8th
Graphing, Mental Math
Thanksgiving Coordinate Plane Mystery Pictures
Thanksgiving Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities Celebrate Thanksgiving while students practice coordinate graphing with this set of 25 interactive 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 Thanksgiving mystery picture is revealed. Includes: * Quadrant 1 activities * Quadrants 1 & 2 activities * Quadrants 1–4 activities Features: * 2
4th - 8th
Graphing, Measurement, Mental Math
Fourth of July Coordinate Plane Mystery Pictures
Fourth of July Coordinate Plane Mystery Pictures | 25 Digital Graphing Activities Celebrate Independence Day while helping students strengthen their coordinate graphing skills with this engaging collection of 25 interactive coordinate plane mystery pictures. Students are given ordered pairs and click the correct location on the coordinate plane. As they successfully plot points, a patriotic mystery picture gradually appears. When all points have been plotted correctly, the completed image is rev
4th - 8th
Graphing, Measurement, Mental Math
Reverse Halloween Coordinate Plane Mystery Pictures
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
4th - 8th
Graphing, Mental Math, Numbers
Halloween Coordinate Plane Mystery Pictures
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
4th - 8th
Graphing, Mental Math, Numbers
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About the store
Experience
I’ve spent over 30 years in education as both a 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, which has given me a fresh look at what today’s teachers and students really need.
My resources are built from that mix of classroom experience and technology background. I focus on creating practical, engaging activities that are easy for teachers to use, helpful for students, and realistic for real classrooms.
Teaching style
My teaching style focuses on clarity, engagement, and student ownership. I design activities that are easy for teachers to use and meaningful for students—especially for review, early finishers, and substitute days. I believe learning should be structured but also interactive and visual.
Awards & shining teacher moments
One of my proudest moments has been returning to the classroom after many years in technology and seeing what truly works with today’s students. That experience has helped me to begin to create resources that are both realistic and effective in real classrooms.
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 improve classroom learning.
Feel free to contact me at my new business email address with any issues you run into. Also, give me ideas of applications that you need and I will work on getting them coded. - tom@k12focus.com
Additional biographical information
I specialize in creating practical classroom tools that save teachers time while improving student focus and engagement. My resources are designed to be low-prep, student-friendly, and easy to implement—whether for daily lessons, review, or substitute plans.
I’m exploring how classrooms can evolve—through teacher-created interactive tools, smarter approaches to student focus and content filtering, and better ways to capture and preserve educator wisdom.
I share ongoing ideas and progress on LinkedIn and the following web sites:
https://www.linkedin.com/in/tomsextro/
https://k12focus.com
https://tomsextro.com
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