Double Digit Addition & Subtraction (without regrouping) Mystery Game!

September 9, 2021


This double-digit addition and subtraction game is an interactive and FUN mystery-type activity for students to solve double-digit addition and subtraction problems WITHOUT REGROUPING.

Available pre-loaded into Seesaw, Google Classroom, and in a hands-on printable version, students will have a blast as they solve this mystery.

The premise: In this mystery, a bunch of friends decide to have a summer picnic at the beach! While they are swimming in the water, a big wave comes and mixes up their picnic baskets. In order to find out which basket belongs to each friend, they will have to solve the clues hidden around the beach. Students will work together or independently to help them solve the clues and get their picnic baskets back to the right friends!

Other math mysteries:

Piper’s Pet Problem (Addition)
Zoey’s Zoo Fiasco (Place Value)
Sal’s Secret Under the Sea (Telling Time)
A Camping Catastrophe (Double Digit Addition & Subtraction WITH regrouping)

Please note: This game is already included in the SJT Math Club. If you are a member of the club, please do not purchase this.

Download the preview to see more.

If you like this game, be sure to leave feedback and follow my store (click the green star under my name at the top of this page) because I plan to add more with other skills soon!

Enjoy 🙂

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