{"product_id":"halloween-mystery-detective-4-digit-addition-subtraction","title":"4-Digit Addition \u0026 Subtraction | Mystery Detective Worksheets | Grades 2–5 | Halloween","description":"\u003cp\u003eHalloween 4 digit addition and subtraction worksheets for 3rd grade and 4th grade, in five CSI Mini Mystery Detective cases with math for October centers or homework. Every problem needs regrouping. They're no prep, with black and white copies and answer keys.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIn these stories a witch turns the teacher into a frog and a friend into a turtle, and students have to find out who won the costume competition. Each answer matches a clue to cross off. Addition and subtraction are mixed on the page.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFriendly Frog\u003c\/strong\u003e - the teacher has become a frog\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrick or Treat Teacher\u003c\/strong\u003e - a student surprised the teacher\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurtle Trouble\u003c\/strong\u003e - a friend turned into a turtle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnder The Costume\u003c\/strong\u003e - who is behind the mask\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCostume Competition\u003c\/strong\u003e - the winner of the contest\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Inside\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFive Halloween cases of 4 digit addition and subtraction\u003c\/li\u003e\n  \u003cli\u003eRegrouping in every problem\u003c\/li\u003e\n  \u003cli\u003eBlack and white copies\u003c\/li\u003e\n  \u003cli\u003eAnswer keys for every case\u003c\/li\u003e\n  \u003cli\u003eTeacher instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Is a CSI Mini Mystery Detective?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt's a single page per case. The problems are on the left, the clue lists on the right, and each clue has a number. Students cross off what matches, and one clue is left in each list.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThese fit the weeks around Halloween. 4th graders can use them as review of both operations, and 3rd graders once 4 digit work has started. Use them for morning work, early finishers, sub days or homeschool.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrade Levels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWritten for 3rd grade and 4th grade, as October practice.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Teachers Love These Cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eA Halloween theme\u003c\/li\u003e\n  \u003cli\u003eBoth operations in one pack\u003c\/li\u003e\n  \u003cli\u003eNo prep\u003c\/li\u003e\n  \u003cli\u003eStudents check their own answers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWant more cases like these?\u003c\/strong\u003e\u003c\/p\u003e\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\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":52291322052978,"sku":"4945170","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/halloween-4-digit-addition-and-subtraction-worksheets-3rd-4th-grade-4945170.jpg?v=1792462370","url":"https:\/\/kiwilandeducation.com\/products\/halloween-mystery-detective-4-digit-addition-subtraction","provider":"Kiwiland Education","version":"1.0","type":"link"}