{"product_id":"4-digit-by-1-digit-multiplication-back-to-school-math-mystery-grades-4-5-detective-mystery","title":"4-Digit by 1-Digit Multiplication | Back to School Math Mystery | Grades 4–5 | Detective Mystery","description":"\u003cp\u003e\u003cstrong\u003e4-digit by 1-digit multiplication is the case to crack in the first week back, when the school mascot costume vanishes, the principal goes missing, and the class math books disappear.\u003c\/strong\u003e In this no-prep, printable back-to-school \u003cstrong\u003eMath Mystery\u003c\/strong\u003e, students become private detectives who solve 4-digit by 1-digit multiplication problems, match each product to a clue, and eliminate suspects until the culprit is caught. The self-checking, story-driven format builds real multi-digit multiplication fluency while easing 4th and 5th graders into the school year — perfect for the first weeks back, math centers, morning work, homework, early finishers, substitute\/relief days, indoor recess, and spiral review.\u003c\/p\u003e\u003ch3\u003eQuick Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill:\u003c\/strong\u003e 4-digit by 1-digit multiplication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrades:\u003c\/strong\u003e 4–5 (4th, 5th)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e 3 no-prep printable mystery worksheets + suspect lists + full answer keys (PDF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTheme:\u003c\/strong\u003e Back-to-School Math Detective Mystery\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe 3 Mysteries\u003c\/h3\u003e\u003cp\u003eEach case pairs a multiplication worksheet with a suspect line-up: students solve the problems, match answers to clues, and cross off suspects until one is left:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase One: The School Mascot\u003c\/strong\u003e — The school mascot costume has gone missing. Multiply to work out which suspect took it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Two: The Missing Principal\u003c\/strong\u003e — The principal has gone missing from school. Solve the problems to eliminate suspects and track them down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase Three: The Missing Math Books\u003c\/strong\u003e — The classroom's math books have disappeared. Multiply to reveal who took them.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Teachers Love It\u003c\/h3\u003e\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 mistakes 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 students.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferentiation-friendly\u003c\/strong\u003e — assign one case at a time or the full set; ideal for mixed-ability classrooms.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSkills Covered\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMultiplying 4-digit numbers by 1-digit numbers\u003c\/li\u003e\n\u003cli\u003ePlace value and regrouping in multiplication\u003c\/li\u003e\n\u003cli\u003eMulti-digit multiplication accuracy and fluency\u003c\/li\u003e\n\u003cli\u003eLogical reasoning and deductive process of elimination\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e3 print-and-go mystery worksheets (one per case)\u003c\/li\u003e\n\u003cli\u003eMatching suspect line-up lists\u003c\/li\u003e\n\u003cli\u003eFull answer keys for every case\u003c\/li\u003e\n\u003cli\u003eStudent detective instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBest Used For\u003c\/h3\u003e\u003cp\u003eBack-to-school and first-weeks activities, math centers, independent practice, morning work, homework, early finishers, substitute\/relief days, indoor recess, and spiral review — any time you want 4-digit by 1-digit multiplication practice that feels like a game.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62005477540210,"sku":"11895615","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/4-digit-by-1-digit-multiplication-back-to-school-math-mystery-detective-cover.jpg?v=1783222365","url":"https:\/\/kiwilandeducation.com\/products\/4-digit-by-1-digit-multiplication-back-to-school-math-mystery-grades-4-5-detective-mystery","provider":"Kiwiland Education","version":"1.0","type":"link"}