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Are you looking for fun CSI Christmas math mystery activities to engage your students? Then these Xmas addition and subtraction worksheets are for you. Perfect for Christmas with Santa and December math.

Capture your student’s attention with this CSI Math Mystery by taking them on a journey to solve addition and subtraction problems and puzzles. Students narrow down the possible options by completing the activities and worksheets and marking them off until one person is left. Can you find that person and help Santa?

The Christmas Story

Santa has been busy at the North Pole with all of his helpers making Christmas presents for all of the children around the world. He loads up his sleigh with all of the presents so that they are ready to be delivered on Christmas Eve. Presents big and small have carefully been packed. As Santa comes back to load the last present he discovers that his sleigh is missing!!! How will he deliver the presents?

It is your students jobs as math inspectors to find out who has taken the missing sleigh. Luckily the person has left 5 Christmas math clues for them to solve to discover who has taken it.

This Xmas case includes

  • 2 digit addition with regrouping
  • Mapping using coordinates on 2 axis
  • 3 digit addition with regrouping using an algorithm
  • Subtraction from 100
  • Multiplication of single digits

These math mysteries are designed for 2nd, 3rd, and 4th grade students. Could also be used with struggling 5th grade students that need a little extra work and reinforcement in adding and takeaways (or advanced, gifted and talented 2nd grade). I also leave some of the mysteries for my sub teacher and use the as a math review.

Math Mysteries are an independent escape room (or crack the code) type of activity where instead of using locks, students identify suspects with puzzles and word problems. This mystery is perfect for Christmas in December and suits both the Northern and Southern hemispheres Christmas (Summer in the sand and beach or Winter in the snow) Same time of year as Chanukah and Kwanzaa

Enjoy these fun math worksheets and please remember to follow me by clicking the following link to easily find my latest resources and receive discounts.

Other Christmas Resources You may be interested in:

 Christmas Math 4 Digit Addition Mini Mystery

 Christmas Math 4 Digit Subtraction Mini Mystery

Christmas CSI Math Mystery with The Missing Santa Sleigh

Christmas CSI Math Mystery with Secret Santa

Thank you