{"product_id":"3-digit-addition-with-regrouping-math-mystery-worksheets-grades-2-4-st-patricks-day","title":"3-Digit Addition with Regrouping | Math Mystery Worksheets | Grades 2–4 | St Patrick's Day","description":"\u003cp\u003e\u003cstrong\u003e3-digit addition with regrouping turns into a St Patrick's Day detective hunt your students will beg to finish.\u003c\/strong\u003e In this no-prep, printable \u003cstrong\u003eMath Mystery\u003c\/strong\u003e, young investigators solve three-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 2nd, 3rd, and 4th graders locked in from the first sum to the last while they build real fluency adding three-digit numbers with regrouping (carrying). Five story-driven shamrock-season cases make addition practice feel like a lucky whodunit — perfect for math centers, morning work, homework, early finishers, substitute days, indoor recess, spiral review, and St Patrick's Day–themed 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 3-digit addition with regrouping (carrying)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrades:\u003c\/strong\u003e 2–4 (2nd, 3rd, 4th)\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 St Patrick's Day detective adventure\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\u003ePot of Gold at the Rainbow\u003c\/strong\u003e — Someone has found a pot of gold at the end of the rainbow and won't say who. Add your way down the suspect list to reveal the lucky finder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIrish Songs\u003c\/strong\u003e — A student keeps being heard singing Irish songs, but no one knows who. Solve the sums to work out who it is, where, their vocal range, and when.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShowing Mindfulness\u003c\/strong\u003e — Random acts of kindness have been popping up all around the school. Solve each problem to discover who, when, which kind act, and their reward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeprechaun's Gold\u003c\/strong\u003e — Somebody has stolen the leprechaun's gold and nobody is confessing. Work the addition to track down the thief.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSt Patrick's Day Cake\u003c\/strong\u003e — A festive cake has appeared in the staffroom with no baker owning up. Solve the sums to reveal who made it, when, why, and even the colour of the icing.\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 three-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 St Patrick's Day 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 St Patrick's Day– or spring-themed math days — any time you want 3-digit addition practice that feels like a game.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62008103403890,"sku":"5276886","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/3-digit-addition-with-regrouping-math-mystery-st-patricks-day-cover.jpg?v=1783289839","url":"https:\/\/kiwilandeducation.com\/products\/3-digit-addition-with-regrouping-math-mystery-worksheets-grades-2-4-st-patricks-day","provider":"Kiwiland Education","version":"1.0","type":"link"}