Teaching Tips, Activities & Ideas for the Classroom
Classroom-tested ideas for math and reading mysteries, escape rooms and no-prep lessons, from a teacher of 20+ years.
Teaching Blog
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Emergency Sub Plans That Teach Themselves: The Self-Checking Trick
The best sub plan corrects itself: how suspect elimination lets a substitute run a real lesson cold, in the words of teachers who've left it. -
Digital Escape Rooms: A Teacher's First-Timer Guide
New to digital escape rooms? What they are, what you need (less than you think), how to pick your first and what to expect. Grades K–8. -
Engaging Ways to Teach Digital Citizenship
Practical ways to teach internet safety and responsible tech use in Grades 4–6, plus a ready-to-use Digital Citizenship Reading Mystery. -
Transform Shark Week: Engaging ELA & Science Activities for Your Classroom
A no-prep Shark Week reading mystery that debunks shark myths and builds critical thinking. Grades 3–6. -
Digital Escape Rooms for Teachers: Transform Your Classroom Learning
How no-prep digital escape rooms boost engagement, critical thinking and collaboration — and turn any lesson into an adventure. -
Beat the Summer Slide: Solve the "Who Stole Summer?" Math Mystery!
The "Who Stole Summer?" CSI math mystery: a no-prep addition and subtraction case that keeps skills sharp over the break. -
Unlock Matariki's Secrets: A Reading Comprehension Mystery for Your NZ Classroom
A Matariki reading comprehension mystery that builds literacy, critical thinking and cultural understanding in NZ classrooms. -
Don't Let Summer School Be a Snooze! Solve the Mystery of Engaging Math Practice!
A low-prep CSI math mystery that turns addition and subtraction review into a case to crack. Grades 3–5. -
How to Prevent Math Summer Slide in 3-Digit Addition with Fun Math Mysteries!
Keep 3-digit addition sharp over summer with no-prep, story-based math mysteries. Grades 2–4.
Latest Articles
Explore practical classroom ideas, seasonal teaching tips, and no-prep activity suggestions for math, ELA, science, social studies, and digital learning.
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Emergency Sub Plans That Teach Themselves: The Self-Checking Trick
The best sub plan corrects itself: how suspect elimination lets a substitute run a real lesson cold, in the words of teachers who've left it. -
What Is a Science Mystery? A Teacher's Guide for Grades 3–8
Students read a nonfiction science passage, answer questions to unlock clues and eliminate suspects. How Science Mysteries work. Grades 3–8. -
Introducing Number Cadets: Online Math Mysteries That Run Themselves
Our detective Math Mysteries are now a self-running online academy for Grades K–5. One complete mystery is free at every grade.
Explore Teaching Resources
Browse printable and digital teaching resources for math, reading, science, social studies, homeschool learning, review lessons, centers, and digital escape rooms.