{"product_id":"3-digit-subtraction-with-regrouping-mystery-detective-worksheets-grades-2-4-st-patricks-day","title":"3-Digit Subtraction with Regrouping | Mystery Detective Worksheets | Grades 2–4 | St. Patrick's Day","description":"\u003cp\u003e3 digit subtraction with regrouping St Patricks Day math worksheets for 2nd grade and 3rd grade, five Mystery Detective math cases for the March week. No prep math activities with full answer keys, print and go, for math centers, early finishers, homework, morning work and sub plans. Missing green balloons, an invitation with no sender and a shamrock left overnight carry the cases, the right answer clears a suspect and a wrong one lands on nobody, so the borrowing across the tens and hundreds checks itself on every CSI Mini Mystery Detective page.\u003c\/p\u003e\n\n\u003cp\u003eThe day before a St Patricks Day assembly is where these CSI Mini Mystery Detective math cases save you, because a class will subtract its way to the culprit without anyone at the front. Marking is student-led, with the answer keys there for a quick glance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe Cases\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMissing Green Balloons\u003c\/strong\u003e - every green balloon disappears\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSt Patricks Invitation\u003c\/strong\u003e - an invitation with no sender\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShamrock For Teacher\u003c\/strong\u003e - a shamrock left overnight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeprechaun Dress Up\u003c\/strong\u003e - one teacher is under the hat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSt Patricks Kindness\u003c\/strong\u003e - somebody is doing good all day\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Inside\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFive case files, each with a crime sheet and its own lineup of suspects\u003c\/li\u003e\n  \u003cli\u003eThree digit subtraction with regrouping on every page\u003c\/li\u003e\n  \u003cli\u003eBorrowing across the tens and the hundreds, not just once per problem\u003c\/li\u003e\n  \u003cli\u003eEach answer matches one suspect and no other, so the page checks itself\u003c\/li\u003e\n  \u003cli\u003eA full answer key for every case\u003c\/li\u003e\n  \u003cli\u003ePrint and go: no cutting, no laminating, nothing to prepare\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat Is a CSI Mini Mystery Detective?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eA CSI Mini Mystery Detective is a printable case with a lineup of suspects, each carrying a number. The questions on the crime sheet produce those numbers, a correct answer strikes one suspect off, and the last name standing is the culprit. The elimination only works when the math is right, which is what makes these detective activities show up mistakes a page of math worksheets would hide. One case fits one class period.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eMarch is the obvious month, and the day before a St Patricks Day assembly is the moment this saves you. Underneath the shamrocks it is straight three digit borrowing practice, which is the skill second and third graders lose fastest. Getting a borrow wrong puts the wrong name in the frame, so students check the column themselves and you are not the one finding every mistake.\u003c\/p\u003e\n\n\u003cp\u003eIt covers test prep, homework, math centers, morning work, early finishers, sub plans and homeschool lessons, with a class, a small group or one child alone.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGrade Levels\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWritten for 2nd grade and 3rd grade, where three digit subtraction with regrouping sits in the standards. Fourth graders take it as a March refresher, and second graders manage it once two digit borrowing is secure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy Teachers Love These Cases\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReal borrowing practice under a seasonal cover\u003c\/li\u003e\n  \u003cli\u003eStudents find the wrong column themselves when the wrong suspect comes off\u003c\/li\u003e\n  \u003cli\u003eNo prep in a week full of assemblies and green hats\u003c\/li\u003e\n  \u003cli\u003eWorks with a whole class, a small group, partners, or one student alone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLove this resource?\u003c\/p\u003e\n\n\u003cp\u003eFollow Kiwiland Education to discover more CSI Mini Mystery Detective cases, no-prep math activities, and detective-themed printables for elementary classrooms.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/www.teacherspayteachers.com\/Sellers-Im-Following\/Add\/Kiwiland\" target=\"_blank\" rel=\"noopener\"\u003eFollow Kiwiland Education on TPT ↗\u003c\/a\u003e\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":61955556376946,"sku":"5295754","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/st-patricks-day-3-digit-subtraction-with-regrouping-worksheets-5295754.jpg?v=1792460826","url":"https:\/\/kiwilandeducation.com\/products\/3-digit-subtraction-with-regrouping-mystery-detective-worksheets-grades-2-4-st-patricks-day","provider":"Kiwiland Education","version":"1.0","type":"link"}