{"product_id":"4-digit-addition-regrouping-mystery-detective-worksheets","title":"4-Digit Addition with Regrouping | Mystery Detective Worksheets | Grades 2–5 | Printable Detective Pack","description":"\u003cp\u003e4 digit addition with regrouping math worksheets for 3rd grade and 4th grade, five Mystery Detective math case files of sixteen sums a page across four columns. Print and go with full answer keys: no prep math activities for morning work, math centers, early finishers, homework and sub plans. Everyday school stories carry the cases, so this 4 digit addition with regrouping practice works in any month for 3rd grade and 4th grade. Teachers use it for 4th grade math review, a math center or a sub plan, and a CSI Mini Mystery Detective marks itself.\u003c\/p\u003e\n\n\u003cp\u003eFour digit addition is a long way to carry for a third grader, and a mystery singer in the music room is what holds them, happily, to the last sum. The pages are self-marking throughout, and the whole set is five math pages in a Mystery Detective download.\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\u003eBox of Chocolates\u003c\/strong\u003e - a box on the desk, unsigned\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMissing Pen\u003c\/strong\u003e - a friend's pen has disappeared\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMystery Singer\u003c\/strong\u003e - somebody is singing in the music room\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActs of Kindness\u003c\/strong\u003e - good deeds and no name\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHoliday Time\u003c\/strong\u003e - a surprise trip, destination unknown\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 a page of 4 digit addition with regrouping\u003c\/li\u003e\n  \u003cli\u003eSixteen sums per case, set in columns ready to carry\u003c\/li\u003e\n  \u003cli\u003eFour clue lists per page: the who, the where, the when and the what\u003c\/li\u003e\n  \u003cli\u003eA black and white copy of all five cases for everyday printing\u003c\/li\u003e\n  \u003cli\u003eAn 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 single page with one crime on it and four short clue lists beside the sums. Every clue carries a number, the questions produce those numbers, and a matching answer strikes that clue out. After sixteen questions the clues left untouched are the solution. The arithmetic is the only route to it, which is why a careless carry cannot slip past unnoticed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUse this one when the class has moved past three digits and you want the extra column practiced properly rather than assumed. It is also the right set for the weeks before testing, when multi digit addition is worth a last run. Because everything a student needs is printed on the page, it goes straight into a sub folder or a centers rotation with no explaining.\u003c\/p\u003e\n\n\u003cp\u003eUse it for morning work, math centers, early finishers, homework, test prep, sub plans and homeschool lessons, with a whole class, a small group or one student.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGrade Levels\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWritten for 3rd grade and 4th grade. Third graders use these at the end of the multi digit addition unit, and fourth graders use them as a fluency set early in the year.\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\u003eOne missed carry is caught by the page, not by you\u003c\/li\u003e\n  \u003cli\u003eNo preparation of any kind beyond printing\u003c\/li\u003e\n  \u003cli\u003eFive cases makes a full week of warm ups\u003c\/li\u003e\n  \u003cli\u003eWorks with a whole class, a small group, partners or one student\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":52013753434482,"sku":"4939646","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/4-digit-addition-with-regrouping-worksheets-3rd-4th-grade-4939646.jpg?v=1792460958","url":"https:\/\/kiwilandeducation.com\/products\/4-digit-addition-regrouping-mystery-detective-worksheets","provider":"Kiwiland Education","version":"1.0","type":"link"}