{"product_id":"rounding-to-the-nearest-10-and-100-math-mystery-worksheets-grades-3-4","title":"Rounding to the Nearest 10 and 100 | Math Mystery Worksheets | Grades 3–4","description":"\u003cp\u003e\u003cstrong\u003eTen detective cases make rounding worth getting right\u003c\/strong\u003e — students round each number, write it in the box underneath, match it to a suspect on the list, and cross suspects off until one is left standing. A wrong rounding eliminates the wrong suspect and the case stops working, which is a far better argument for checking the digit to the right than any red pen. No prep, printable, and self-checking throughout.\u003c\/p\u003e\n\n\u003ch3\u003eQuick Details\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Rounding to the nearest 10 and 100 · \u003cstrong\u003eGrades:\u003c\/strong\u003e 3–4 · \u003cstrong\u003eFormat:\u003c\/strong\u003e 10 mysteries + full answer keys (printable PDF) · \u003cstrong\u003eTheme:\u003c\/strong\u003e Around the school\u003c\/p\u003e\n\n\u003ch3\u003eThe 10 Mysteries\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eThe Jammed Locker\u003c\/strong\u003e — Locker 27 will not open and the caretaker's master key has vanished.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Lunch Order Mix\u003c\/strong\u003e — Every order in Room 5 came back with the wrong name on it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Overdue Book\u003c\/strong\u003e — The library's most borrowed book was signed back in, but the shelf is empty.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Paint Spill\u003c\/strong\u003e — A pot of blue paint went down the art room sink and nobody owned up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Field Day Fix\u003c\/strong\u003e — The ribbons were handed out before a single race was run.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Bus Bay Blunder\u003c\/strong\u003e — Bus 12 pulled out of the wrong bay and half the class was left behind.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Spelling Bee Slip\u003c\/strong\u003e — The word list was swapped an hour before the contest.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Snack Cart Swap\u003c\/strong\u003e — The cart came back from the hall packed with erasers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Lost Stopwatch\u003c\/strong\u003e — The stopwatch that times every race is gone from the PE cupboard.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Broken Beaker\u003c\/strong\u003e — The class's biggest beaker turned up in pieces under the sink.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Teachers Love It\u003c\/h3\u003e\n\u003cp\u003eZero prep — print and teach. The built-in answer keys make every case self-checking, so students get instant feedback and stay motivated. Rounding is a skill students think they have long before they do, and the elimination grid catches that quietly: the case simply will not resolve if a number was rounded the wrong way.\u003c\/p\u003e\n\n\u003ch3\u003eSkills Covered\u003c\/h3\u003e\n\u003cp\u003eRounding to the nearest ten, rounding to the nearest hundred, reading the digit to the right, place value, and estimation — plus logical reasoning and deductive elimination as students rule suspects out clue by clue.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003ePrintable one-page mystery worksheets, suspect line-ups, complete answer keys with the villain marked, and student instructions — all in one PDF.\u003c\/p\u003e\n\n\u003ch3\u003eBest Used For\u003c\/h3\u003e\n\u003cp\u003eRounding and place value practice in math centers, morning work, homework, early finishers, substitute\/relief days, indoor recess, spiral review, and test prep for grades 3–4.\u003c\/p\u003e\n\n\u003ch3\u003eMore From This Line\u003c\/h3\u003e\n\u003cp\u003eBrowse every \u003ca href=\"\/collections\/math-mystery\"\u003eMath Mystery pack\u003c\/a\u003e, or keep the review going with \u003ca href=\"\/products\/3rd-grade-review-math-mystery-worksheets-back-to-school-multiplication-fractions\"\u003e3rd Grade Review\u003c\/a\u003e and \u003ca href=\"\/products\/area-and-perimeter-math-mystery-worksheets-grade-3-counting-unit-squares\"\u003eArea and Perimeter\u003c\/a\u003e.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62264567628146,"sku":"17483442","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/rounding-to-the-nearest-10-and-100-worksheets-3rd-grade-math-mystery.jpg?v=1788137134","url":"https:\/\/kiwilandeducation.com\/products\/rounding-to-the-nearest-10-and-100-math-mystery-worksheets-grades-3-4","provider":"Kiwiland Education","version":"1.0","type":"link"}