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Students solving a classroom mystery using division problems in a CSI Math activity, with a monster theme and critical thinking challenges.

CSI Math Mystery: Solve Division with The Case of the Divided Monster

Make division practice fun, meaningful, and exciting with CSI Math Mysteries by Kiwiland Education! In The Case of the Divided Monster, students step into the role of math detectives to solve a puzzling case at Monster School—where learning long division becomes an unforgettable adventure.


Welcome to Monster School: Where Math Meets Mystery

Monster School is no ordinary classroom. It's filled with monsters and humans learning side by side. But trouble is brewing—Squirmy, the class monster pet, has been mysteriously split in two! His left side only counts forward, while his right side counts backward. Principal Spookington is completely stumped.

That’s where your students come in.

With the help of math clues and division challenges, students will work through each puzzle to uncover what happened to Squirmy and restore order at Monster School.


What Skills Are Covered?

This division-focused math mystery offers rigorous yet accessible practice with:

  • Basic Division Facts (1–12)

  • Dividing 3-digit numbers by 1-digit (no remainders)

  • Dividing 4-digit numbers by 1-digit (with and without remainders)

  • Division Word Problems

Students apply their math knowledge to eliminate suspects, crack codes, and uncover clues—making each math problem part of a larger, meaningful challenge.


Why Teachers Love The Divided Monster

🔍 It’s Story-Driven:
Students are immersed in a fun narrative that keeps them motivated to complete each task.

🧠 Promotes Critical Thinking:
Students must analyze and apply math concepts to solve each part of the mystery.

🙌 Builds Engagement:
The mystery format turns ordinary math problems into a detective adventure, capturing student attention from start to finish.

✍️ Supports Independent or Group Work:
Great for small groups, math centers, or independent review. It’s also perfect for early finishers or sub plans!

📚 Aligned to Curriculum Standards:
This resource supports division skills commonly taught in 4th and 5th grade, making it a great addition to your math curriculum.


A Look Inside: What’s Included?

When you download The Case of the Divided Monster, you’ll receive:

  • A full mystery story setup

  • Student worksheets with division problems

  • Clue sheets for eliminating suspects

  • Answer keys for easy checking

  • Clear teacher instructions for seamless setup

It’s print-and-go ready with no prep required!


Bring Math to Life with CSI Mysteries

CSI Math Mysteries are more than worksheets—they’re learning experiences. With each mystery, students build fluency, confidence, and enthusiasm for math. If you're looking to add something fresh and meaningful to your math block, this resource is a must-have.


🛒 Ready to Solve the Mystery?

Help your students become math detectives and solve The Case of the Divided Monster!
📥 Click here to purchase now and bring excitement back to your division lessons.

Students solving a CSI Math Mystery in the classroom, using long division to uncover clues and crack a case.
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