Looking for a fun, summer-themed math activity to review 3-digit addition and subtraction? This CSI Math Mystery takes students on an engaging detective adventure as they solve problems to eliminate suspects and crack the case—no locks required!
🕵️♀️ Story: Who Stole Summer?
You’ve had an amazing summer, full of vacations, beach trips, and fun with friends. But one day you wake up, and summer is gone! No sunshine. No warm breeze. No explanation. Someone has stolen summer—and it’s up to you to solve the mystery before it's gone forever!
💡 What's Included:
- Subtraction from 100 of 2-digit numbers
- 3-digit addition with regrouping
- Addition and subtraction with 3 digits
- Multi-digit addition
- Word problems with addition and subtraction
- Color and black & white versions
This resource is ideal for grades 2–4, and also supports struggling 5th graders or advanced 1st/2nd grade students. Perfect for back-to-school, summer math review, or engaging early-year practice.
🧩 What is a CSI Math Mystery?
CSI Math Mysteries are like escape rooms—without the locks! Students solve puzzles, answer word problems, and eliminate suspects until the mystery is solved. A fun, low-prep alternative to traditional math worksheets that builds problem-solving and critical thinking skills.
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