{"product_id":"addition-subtraction-csi-math-mystery-grades-2-5-my-teacher-is-an-alien-back-to-school","title":"Addition \u0026 Subtraction CSI Math Mystery | Grades 2–5 | My Teacher is an Alien (Back to School)","description":"\u003cp\u003e\u003cstrong\u003eSomething's not right about the new teacher — and only your students' addition and subtraction skills can prove \"My Teacher is an Alien!\"\u003c\/strong\u003e In this back-to-school \u003cstrong\u003eCSI Math Mystery\u003c\/strong\u003e, students work like detectives, solving problems and puzzles to eliminate suspects one by one until the truth is revealed. It's an engaging, \u003cstrong\u003eno-prep, print-and-go\u003c\/strong\u003e activity that's perfect for the first weeks of school.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's inside:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2-digit addition with regrouping\u003c\/li\u003e\n\u003cli\u003eSubtraction from 100\u003c\/li\u003e\n\u003cli\u003eMental addition with 1-digit numbers\u003c\/li\u003e\n\u003cli\u003eCoordinates on one quadrant\u003c\/li\u003e\n\u003cli\u003eComplete answer keys included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a CSI Math Mystery?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA CSI Math Mystery is an interactive, independent activity that feels like a classroom escape room — without the locks or complicated prep. Instead of codes, students solve math problems to uncover clues, cross off suspects, and finally crack the case. Each one blends real math practice with critical thinking, so students stay motivated from the first clue to the reveal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to use this resource:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBack-to-school and first-week math activities\u003c\/li\u003e\n\u003cli\u003eAddition and subtraction review\u003c\/li\u003e\n\u003cli\u003eEarly finisher and independent work\u003c\/li\u003e\n\u003cli\u003eMath centers and small groups\u003c\/li\u003e\n\u003cli\u003eSubstitute teacher and low-prep days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eGrade levels:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for Grades 2–5, and ideal for reviewing addition and subtraction within 100. Great for struggling older students who need reinforcement, or advanced younger students ready for a challenge.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLove this resource?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFollow \u003cstrong\u003eKiwiland Education\u003c\/strong\u003e to discover more CSI Math Mysteries and be the first to hear about new releases, discounts, and fresh printables for your classroom.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":61951738315122,"sku":"3990720","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/addition-subtraction-csi-math-mystery-my-teacher-is-an-alien-grades-2-5.jpg?v=1781761523","url":"https:\/\/kiwilandeducation.com\/products\/addition-subtraction-csi-math-mystery-grades-2-5-my-teacher-is-an-alien-back-to-school","provider":"Kiwiland Education","version":"1.0","type":"link"}