{"product_id":"back-to-school-3-digit-addition-with-regrouping-math-detective-mystery","title":"Back to School 3 Digit Addition with Regrouping Math Detective Mystery","description":"\u003cp\u003e\u003cstrong\u003e3-digit addition with regrouping turns your class into crime-solving detectives in this no-prep Back to School Math Detective Mystery, where students crack three school-themed cases by working out who took the teacher's lunchbox, where the missing teacher went, and who swiped the art supplies.\u003c\/strong\u003e Every printable, self-checking case works the same clever way: students solve each 3-digit addition problem, use their answers to eliminate suspects from a police line-up, and the last suspect standing is the culprit. Perfect for 2nd, 3rd, and 4th grade back-to-school activities, math centers, morning work, homework, early finishers, substitute and relief days, indoor recess, spiral review, and the first weeks of school.\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\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrades:\u003c\/strong\u003e 2nd, 3rd, 4th\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 3 detective cases + suspect line-ups + full answer keys (printable PDF, color and black-and-white)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTheme:\u003c\/strong\u003e Back to School \/ Detective\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe 3 Cases\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase One: The Teachers Lunchbox\u003c\/strong\u003e — The teacher's lunchbox has gone missing. Students solve the addition problems and eliminate suspects to reveal who took it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Two: The Missing Teacher\u003c\/strong\u003e — A teacher has vanished from school. Students crack the sums and work down the line-up to name who is responsible.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Three: The Missing Art Supplies\u003c\/strong\u003e — The art supplies have disappeared. Students add their way through the clues to unmask the culprit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Teachers Love It\u003c\/h3\u003e\n\u003cp\u003eZero prep — just print and hand out. The cases are completely self-checking, so students know they are on track without you marking every page. The detective line-up hook pulls in reluctant and struggling mathematicians, while the elimination structure makes differentiation and independent practice easy. Includes both full-color and black-and-white versions.\u003c\/p\u003e\n\n\u003ch3\u003eSkills Covered\u003c\/h3\u003e\n\u003cp\u003e3-digit addition with regrouping (carrying), multi-step problem solving, and logical reasoning through deductive suspect elimination.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3 detective case worksheets\u003c\/li\u003e\n\u003cli\u003eMatching suspect line-up pages\u003c\/li\u003e\n\u003cli\u003eFull answer keys for every case\u003c\/li\u003e\n\u003cli\u003eStudent detective instruction page\u003c\/li\u003e\n\u003cli\u003eColor and black-and-white versions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eBest Used For\u003c\/h3\u003e\n\u003cp\u003eNo-prep printable 3-digit addition practice for back to school, math centers, morning work, homework, early finishers, sub days, indoor recess, and spiral review in 2nd, 3rd, and 4th grade.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62008159437170,"sku":"10013557","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-back-to-school-detective-cover.jpg?v=1783297362","url":"https:\/\/kiwilandeducation.com\/products\/back-to-school-3-digit-addition-with-regrouping-math-detective-mystery","provider":"Kiwiland Education","version":"1.0","type":"link"}