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CSI Mystery

Groundhog Day Addition & Subtraction CSI Mystery Worksheets

Grades 2–5 · The Missing Groundhog

3rd Grade3rd Grade Math4th Grade4th Grade Math5th Grade5th Grade MathGrade 2Grade 3Grade 4Grade 5Answer keys included

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Looking for Groundhog Day math activities to keep your students engaged? This Groundhog Day CSI Mystery Detective combines 3-digit addition and subtraction with an exciting detective twist! Perfect for 2nd, 3rd, and 4th grade students, this fun math review is ideal for January and February, especially in the days leading up to or after Groundhog Day.

In The Missing Groundhog, students become detectives, solving addition and subtraction puzzles to eliminate suspects. With each completed worksheet, they get closer to discovering who took the groundhog. Designed to boost critical thinking and math fluency, this activity turns your math lesson into an engaging adventure.

What's Included:

  • Subtraction from 100 of 2-digit numbers
  • 3-digit addition with regrouping
  • Mixed addition and subtraction (3-digit)
  • Multi-digit addition
  • Word problems with addition and subtraction
  • Full-color and black-and-white versions
  • Complete answer sheets for easy grading

Why Teachers Love It:

This CSI-style math activity is perfect for back-to-school, Groundhog Day, winter review, or anytime your class needs meaningful math practice. It also works great for early finishers, math centers, sub plans, or holiday-themed lessons. Many teachers report high engagement, especially when using these activities around holidays or seasonally themed events.

CSI Mystery Detective packs are a fun, escape room–style worksheet activity where students solve clues and eliminate suspects to crack the case—no locks or apps required! If your students love puzzles and detective stories, they'll love these printable math worksheets.

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Kiwiland

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