Last Minute Lesson Plans
Ready-to-Teach Computer Science, CAD, Robotics & STEM Curriculum
Zero prep required. Fully aligned, classroom-tested units, emergency sub plans, hands-on maker challenges, and project rubrics designed by a certified technology educator.
100% Plug & Play
Complete slide decks, step-by-step student worksheets, teacher pacing keys, and editable files.
Classroom & Lab Tested
Built from years of real K–12 and college instructional experience with engaging, modern tools.
Emergency Sub Plans
Self-guided STEM and tech literacy packets that any substitute can run without technical background.
Featured Subject Areas
Select a category below to jump straight to curated units, project rubrics, and downloadable packs.
Engineering Graphics & CAD
Orthographic projection, isometric drawing packs, 3D modeling exercises (Tinkercad, Onshape, Fusion 360), and 3D printing guides.
Explore CAD Units →Computer Science & Coding
Python challenges, computational thinking warm-ups, HTML/CSS web design kits, and beginner block-to-text transitions.
Explore CS Resources →Robotics & Maker Tech
Microcontroller labs, hands-on building prompts, sensor programming worksheets, and STEM design cycle portfolios.
Explore Robotics →Game Design & Esports
Video game mechanics, industry fundamentals, digital storytelling rubrics, and introductory scholastic esports curriculum.
Explore Game Design →Emergency Sub Plans
Self-contained reading, ethics in AI, technology history, and design review assignments that require zero prep or special software.
Explore Sub Plans →Digital Media & Web
Graphic design layout templates, typography units, digital citizenship, and technical communication activities.
Explore Media Units →Created by an Active STEM Educator
All materials on Last Minute Lesson Plans are developed by John Ruhl, a certified New Jersey educator (Computer Science, Engineering Graphics, Technology Education) and higher-education instructor.
Every activity is built to minimize teacher stress while maximizing student engagement through real-world design, problem solving, and hands-on making.
Need Custom Curriculum or District Consulting?
Looking for custom K–12 STEM pathway design, collegiate esports program advising, or professional development workshops for your staff?
Visit Tutoria Educational Consulting →Questions or Custom Resource Requests?
Have a specific unit request or need assistance with a bundle? Reach out directly.
© 2026 Last Minute Lesson Plans • John Ruhl
