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"Great resource, low prep, easy to use, and fun! Thank you for sharing this! Highly recomend to other teachers!"

Brandie K.

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"My students loved this resource! They were engaged and were able to complete the tasks with ease."

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"I have enjoyed every purchase I've made from your store. The students are always so engaged!"

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Kiwiland Education

Spring Addition & Subtraction CSI Math Mystery – 3rd 4th 5th Grade Worksheets

$4.50 USD

Looking for a fun and engaging math activity for spring? This CSI Math Mystery is perfect for reviewing 3-digit addition and subtraction with regrouping while solving a detective-style case! Designed for 3rd and 4th grade students, this printable resource is ideal for spring math centers, early finishers, or post-break review.

🕵️ What's Included:

  • Subtraction from 100 of 2-digit numbers
  • 3-digit addition with regrouping
  • Mixed 3-digit addition and subtraction
  • Multi-digit addition
  • Word problems using addition and subtraction
  • Color and black-and-white versions
  • Complete answer keys

Students work through math puzzles to eliminate suspects and crack the case in this fun escape room alternative. No locks, no tech—just critical thinking, math skills, and mystery-solving excitement.

Great for spring math review, back-to-school, end-of-year practice, and homeschool settings. Also a useful resource for gifted 2nd graders or struggling 5th grade learners needing scaffolded support with basic math operations.

👉 Love this resource?

Follow Kiwiland Education to explore more engaging CSI Math Mysteries and be the first to hear about new releases, special discounts, and exciting printables for your classroom.

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Kiwiland Education

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"Great resource, low prep, easy to use, and fun! Thank you for sharing this! Highly recomend to other teachers!"

Brandie K.

Verified buyer

"My students loved this resource! They were engaged and were able to complete the tasks with ease."

Gina H.

Verified buyer

"I have enjoyed every purchase I've made from your store. The students are always so engaged!"

Karen C.

Verified buyer

  • Thank you from Kiwiland Education

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Spring CSI Math Mystery worksheets for 3rd and 4th grade addition and subtraction practice

Spring Addition & Subtraction CSI Math Mystery – 3rd 4th 5th Grade Worksheets

$4.50

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