{"product_id":"2-digit-subtraction-with-regrouping-math-mystery-worksheets-grades-1-3-valentines-day","title":"2-Digit Subtraction with Regrouping | Math Mystery Worksheets | Grades 1–3 | Valentine's Day","description":"\u003cp\u003e\u003cstrong\u003e2-digit subtraction with regrouping turns into a Valentine'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 two-digit column subtraction 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 difference to the last while they build real fluency subtracting two-digit numbers with regrouping (borrowing). Five story-driven Valentine's cases make subtraction practice feel like a sweetheart whodunit — perfect for math centers, morning work, homework, early finishers, substitute days, indoor recess, spiral review, and Valentine'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 2-digit subtraction with regrouping (borrowing)\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 Valentine'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 subtraction worksheet where students solve the problems, match answers to clues, and cross off suspects until the mystery is cracked:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChocolates for the Teacher\u003c\/strong\u003e — A box of chocolates has appeared on the teacher's desk from a secret admirer. Subtract your way down the clues to reveal who they are from, when, the ribbon colour, and the chocolate brand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValentine's Day Card\u003c\/strong\u003e — A card has been left on a friend's desk from a secret sender. Solve the problems to discover who sent it, when, and its envelope and pen colour.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLove Songs\u003c\/strong\u003e — A student keeps being heard singing love songs, but no one knows who. Work the subtraction to work out who, where, their vocal range, and song genre.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBunch of Flowers\u003c\/strong\u003e — A bunch of flowers has been left on the teacher's desk with no card. Subtract to reveal who they are from, when, the ribbon colour, and the type of flowers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActs of Kindness\u003c\/strong\u003e — Random acts of kindness have been spreading around the school and no one knows who is behind them. Solve each problem to uncover who, when, the kind act, and their reward.\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\u003eSubtracting two-digit numbers with regrouping \/ borrowing\u003c\/li\u003e\n\u003cli\u003eColumn subtraction 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 Valentine'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 Valentine's Day–themed math days — any time you want 2-digit subtraction practice that feels like a game.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62008106320242,"sku":"5181585","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/2-digit-subtraction-with-regrouping-math-mystery-valentines-day-cover.jpg?v=1783290758","url":"https:\/\/kiwilandeducation.com\/products\/2-digit-subtraction-with-regrouping-math-mystery-worksheets-grades-1-3-valentines-day","provider":"Kiwiland Education","version":"1.0","type":"link"}