{"product_id":"addition-subtraction-within-100-csi-math-mystery-worksheets-grades-2-3-space-mission","title":"Addition \u0026 Subtraction Within 100 CSI Math Mystery Worksheets | Grades 2–3 | Space Mission","description":"\u003c!-- HOOK --\u003e\n\u003cp\u003eSwap dull addition and subtraction review for a space mission your students will race to finish. This printable \u003cstrong\u003eAddition \u0026amp; Subtraction Within 100 CSI Math Mystery\u003c\/strong\u003e wraps fact practice in a space investigation, built for \u003cstrong\u003eGrades 2–3 classroom teachers, homeschool parents, and tutors\u003c\/strong\u003e who want focused math practice wrapped in a story students actually care about solving.\u003c\/p\u003e\n\n\u003cp\u003eStudents work through a series of clue pages, use their answers to cross suspects off the list, and race to crack the case — all while getting meaningful practice with addition and subtraction within 100 and problem solving. No apps, no prep, no fuss.\u003c\/p\u003e\n\n\u003c!-- QUICK DETAILS --\u003e\n\u003ch3\u003eQuick Details\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGrade Levels:\u003c\/strong\u003e Grades 2–3\u003cbr\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Printable PDF\u003cbr\u003e\n\u003cstrong\u003eResource Type:\u003c\/strong\u003e CSI Math Mystery worksheets\u003cbr\u003e\n\u003cstrong\u003eMath Skills:\u003c\/strong\u003e Addition and subtraction within 100\u003cbr\u003e\n\u003cstrong\u003ePages:\u003c\/strong\u003e No-prep printable PDF including answer key\u003cbr\u003e\n\u003cstrong\u003eBest For:\u003c\/strong\u003e Math centers, sub plans, early finishers, review, small groups, STEM and space units, and homeschool math\u003cbr\u003e\n\u003cstrong\u003eTech Needed:\u003c\/strong\u003e None — no apps, locks, passwords, or student logins required\u003c\/p\u003e\n\n\u003c!-- CASE SUMMARY --\u003e\n\u003ch3\u003eCase Summary\u003c\/h3\u003e\n\u003cp\u003eSomething has gone wrong aboard the space mission, and the crew needs answers fast. A list of suspects is all your students have to go on, and only the sharpest math detectives can work out who is responsible.\u003c\/p\u003e\n\u003cp\u003eAs CSI Math Investigators, students solve addition and subtraction clues to gather evidence and rule each suspect out, one by one.\u003c\/p\u003e\n\u003cp\u003eWith every solved clue, the list of suspects shrinks until only one is left.\u003c\/p\u003e\n\u003cp\u003eCan your investigators crack the clues and solve the case before the mission is over? Sharpen those pencils and get started.\u003c\/p\u003e\n\n\u003c!-- SKILLS COVERED --\u003e\n\u003ch3\u003eSkills Covered\u003c\/h3\u003e\n\u003cp\u003eStudents will practice:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAddition within 100\u003c\/li\u003e\n  \u003cli\u003eSubtraction within 100\u003c\/li\u003e\n  \u003cli\u003eUsing answers to eliminate suspects\u003c\/li\u003e\n  \u003cli\u003eLogic, reasoning, and problem solving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- WHAT'S INCLUDED --\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCSI-style space math mystery activity\u003c\/li\u003e\n  \u003cli\u003eMystery story and suspect list\u003c\/li\u003e\n  \u003cli\u003eAddition and subtraction within 100 clue worksheets\u003c\/li\u003e\n  \u003cli\u003eAnswer key\u003c\/li\u003e\n  \u003cli\u003ePrint-and-go PDF format\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- BEST USED FOR --\u003e\n\u003ch3\u003eBest Used For\u003c\/h3\u003e\n\u003cp\u003eThis printable CSI Math Mystery works well for:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAddition and subtraction within 100 review\u003c\/li\u003e\n  \u003cli\u003eSpace, STEM, and back-to-school math\u003c\/li\u003e\n  \u003cli\u003eMath centers and early finishers\u003c\/li\u003e\n  \u003cli\u003eSubstitute teacher plans\u003c\/li\u003e\n  \u003cli\u003eSmall groups, RTI, and intervention\u003c\/li\u003e\n  \u003cli\u003eHomeschool math\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":61951208882546,"sku":"4735817","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/addition-subtraction-within-100-csi-math-mystery-space-mission-grades-2-3.jpg?v=1781742136","url":"https:\/\/kiwilandeducation.com\/products\/addition-subtraction-within-100-csi-math-mystery-worksheets-grades-2-3-space-mission","provider":"Kiwiland Education","version":"1.0","type":"link"}