Looking for a fun and skill-building Valentine’s Day activity? This CSI Math Mystery printable PDF is designed for grades 3–5 and works beautifully in classrooms and homeschools alike. With a fun twist on addition, subtraction, and multiplication review, students work through puzzles to uncover the magical culprit behind a school-wide Valentine’s spell!
This February math activity is perfect for holiday-themed lessons, math centers, early finishers, small groups, or sub plans. Just print and go—no locks, apps, or devices required!
Story Summary
It’s Valentine’s Day, and while the school is buzzing with excitement and kindness, something unusual is happening. A mysterious wizard was seen at the school gate muttering spells—and now, brightly colored bugs are flitting through the hallways! Could they be enchanted students? Solve the math puzzles to uncover the truth and reverse the spell!
Seasonal & Flexible Uses
- Valentine’s Day math center
- February spiral review
- Homeschool math lesson
- Early finisher task
- Substitute plan
- Holiday-themed enrichment
Skills Covered
- 3-digit addition with regrouping
- Adding multiple addends
- 2-digit subtraction from 100
- Multiplying multiples of 10 (e.g., 30 × 9)
- Multiplication facts maze
What’s Included
- Engaging Valentine’s Day storyline
- Math puzzle worksheets
- Suspect elimination chart
- Full answer key
- Printable PDF format
What Is a CSI Math Mystery?
CSI Math Mysteries are printable, escape-room-style activities with no apps or locks needed. Students solve math challenges to eliminate suspects and solve a mystery, making learning interactive and fun. Perfect for classroom or homeschool settings!
📎 Please Note: This is a printable PDF product. Simply download, print, and you’re ready to go—no apps or locks required.
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