{"product_id":"2-digit-addition-with-regrouping-math-mystery-worksheets-grades-1-3-new-year","title":"2-Digit Addition with Regrouping | Math Mystery Worksheets | Grades 1–3 | New Year","description":"\u003cp\u003e\u003cstrong\u003e2-digit addition with regrouping turns into a New Year detective celebration your students will beg to finish.\u003c\/strong\u003e In this no-prep, printable \u003cstrong\u003eMath Mystery\u003c\/strong\u003e, young investigators solve two-digit column addition problems, match each answer to a clue, and eliminate suspects one by one until only the culprit remains. The self-checking format keeps 1st, 2nd, and 3rd graders locked in from the first sum to the last while they build real fluency adding two-digit numbers with regrouping (carrying). Five story-driven New Year cases make addition practice feel like a countdown party whodunit — perfect for math centers, morning work, homework, early finishers, substitute days, indoor recess, spiral review, and back-from-winter-break math days.\u003c\/p\u003e\n\n\u003ch3\u003eQuick Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill:\u003c\/strong\u003e 2-digit addition with regrouping (carrying)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrades:\u003c\/strong\u003e 1–3 (1st, 2nd, 3rd)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 5 no-prep printable mystery worksheets + full answer keys + a themed congratulations page (PDF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTheme:\u003c\/strong\u003e New Year detective celebration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe 5 Mysteries\u003c\/h3\u003e\n\u003cp\u003eEach case is a self-contained addition worksheet where students solve the sums, match answers to clues, and cross off suspects until the mystery is cracked:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eParty Popper\u003c\/strong\u003e — A party popper has gone off in class and nobody is owning up. Add your way down the suspect list to catch whoever set it off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew Year Gift\u003c\/strong\u003e — A secret New Year gift has appeared on the teacher's desk. Solve the sums to reveal who it is from, when, the ribbon colour, and the present inside.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuld Lang Syne\u003c\/strong\u003e — A student keeps being heard singing \"Auld Lang Syne,\" but no one knows who. Work the addition to work out who, where, their vocal range, and when.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew Year Countdown\u003c\/strong\u003e — Someone was heard counting down on New Year's Eve and nobody knows who it was. Solve each problem to discover the mystery counter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew Year Party\u003c\/strong\u003e — A New Year party invitation has been left for you with no sender's name. Add to uncover who it is from, when, where it was left, and the paper colour.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Teachers Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero prep\u003c\/strong\u003e — just print and hand out; every case is a single self-contained page.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-checking\u003c\/strong\u003e — the suspect-elimination format means students catch their own errors and stay accountable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngagement that lasts\u003c\/strong\u003e — the detective story pulls in even reluctant and struggling mathematicians.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferentiation-friendly\u003c\/strong\u003e — use one case at a time or the full set; ideal for mixed-ability classrooms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSkills Covered\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdding two-digit numbers with regrouping \/ carrying\u003c\/li\u003e\n\u003cli\u003eColumn addition accuracy and place value\u003c\/li\u003e\n\u003cli\u003eFluency and mental-math confidence\u003c\/li\u003e\n\u003cli\u003eLogical reasoning and deductive process of elimination\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e5 print-and-go mystery worksheets (one per case)\u003c\/li\u003e\n\u003cli\u003eFull answer keys for every case\u003c\/li\u003e\n\u003cli\u003eStudent detective instructions\u003c\/li\u003e\n\u003cli\u003eA themed New Year congratulations page\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBest Used For\u003c\/h3\u003e\n\u003cp\u003eMath centers and rotations, independent practice, morning work, homework, early finishers, substitute\/relief days, indoor recess, spiral review, test prep, and New Year– or back-to-school-after-the-holidays math days — any time you want 2-digit addition practice that feels like a game.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62008110612850,"sku":"5136206","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/2-digit-addition-with-regrouping-math-mystery-new-year-cover.jpg?v=1783291295","url":"https:\/\/kiwilandeducation.com\/products\/2-digit-addition-with-regrouping-math-mystery-worksheets-grades-1-3-new-year","provider":"Kiwiland Education","version":"1.0","type":"link"}