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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."

Gina H.

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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

Winter CSI Math Mystery Addition and Subtraction Worksheets

$4.50 USD

Bring winter chills into your math classroom with this Frozen Classroom CSI Math Mystery—a fun and engaging way to review 3-digit addition and subtraction with regrouping. Perfect for 2nd, 3rd, and 4th grade students, this printable mystery adventure will have your students solving puzzles and cracking the case of a frozen classroom!

🕵️ What's the Mystery?

Someone has turned your classroom into an icy wasteland! Icicles hang from the desks, pencils are frozen solid, and everything is too cold to touch. Can your students solve the math clues to figure out who the villain is?

📎 What's Included:

  • 3-digit addition with regrouping
  • Subtraction from 100 and from 1000
  • Mixed 3-digit addition and subtraction
  • Multi-digit addition practice
  • Word problems using addition and subtraction
  • Color and black-and-white printable versions

✅ Suggested Uses:

Use this CSI Math Mystery as part of your winter math review, during January or February, or for fun seasonal math activities after Halloween and Thanksgiving. Ideal for early finishers, sub plans, enrichment, or back-to-school engagement. Great for homeschoolers too!

👉 Love this resource?

Follow Kiwiland Education to explore more engaging math escape rooms and be the first to hear about new releases, special discounts, and fresh 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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    Printable Frozen Classroom CSI Math Mystery worksheets for addition and subtraction

    Winter CSI Math Mystery Addition and Subtraction Worksheets

    $4.50

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