{"title":"Grade 7 Math: Geometry","description":"\u003cp\u003e7th grade math worksheets and activities for geometry (Common Core 7.G): printable mystery worksheets, CSI cases and digital escape rooms.\u003c\/p\u003e","products":[{"product_id":"circumference-area-of-a-circle-mystery-detective-worksheets-grades-7-8-pi-day","title":"Circumference \u0026 Area of a Circle | Mystery Detective Worksheets | Grades 7–8 | Pi Day","description":"\u003cp\u003eArea and circumference of a circle worksheets for the 7th grade and 8th grade geometry unit, three self-checking CSI Mini Mystery Detective math cases where each answer clears a suspect until the culprit is left. Students use pi as 3.14 and round to two decimal places, so every circle math activity lands on exactly one name and a rushed formula lands on nobody. Print and go with full answer keys: Pi Day math activities for March, and no prep math worksheets for math centers, early finishers, homework and sub plans the rest of the year.\u003c\/p\u003e\n\n\u003cp\u003eThree CSI Mini Mystery Detective math cases is the right size for circles: one after you teach circumference, one after area, and one in the folder for the day you are away. Because the answer has to sit on a suspect, students go back and check which formula they used without being told, and you can see at a glance who has the two straight. Nothing to cut or laminate.\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\u003eThe Pumpkin Pie Bake Off\u003c\/strong\u003e - the secret ingredients disappear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Teachers Wedding Ring\u003c\/strong\u003e - the ring is taken off the desk\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Principal's Donut\u003c\/strong\u003e - somebody ate the principal's donut\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\u003eThree case files: one on circumference, one on area, and one that uses both\u003c\/li\u003e\n  \u003cli\u003ePi is used as 3.14, and answers are rounded to two decimal places\u003c\/li\u003e\n  \u003cli\u003eRadius and diameter both appear, so students have to pick the right formula themselves\u003c\/li\u003e\n  \u003cli\u003eEach answer matches one suspect and no other, so the page checks itself\u003c\/li\u003e\n  \u003cli\u003eA full 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 investigation your students solve with math. Every question on the sheet points at a suspect, and each correct answer strikes one name off the lineup until only the culprit is left standing. Nothing is cut out, nothing is assembled and nothing is bought: the math is the whole puzzle, which is what makes these detective activities different from a page of math worksheets. One case takes about a class period and drops straight into math centers, homework or a sub folder.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003ePi Day in March is the obvious week for this one, and the circles unit is the other: three separate cases mean you can teach circumference one day and area the next without repeating yourself. The problem it solves is the familiar one, where students learn both formulas and then reach for the wrong one because the question gave them a diameter. A wrong formula crosses off a wrong suspect here, so they find that out for themselves.\u003c\/p\u003e\n\n\u003cp\u003eTeachers use it for test prep, homework, math centers, morning work, early finishers, sub plans, homeschool lessons and end of year review, with a 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 7th grade and 8th grade, where circumference and area of a circle sit in the standards. Sixth graders manage the circumference case once they are comfortable with decimals, and high school students use the set as a quick refresher before area of composite shapes.\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\u003eThree separate scopes, so circumference and area can be taught on different days\u003c\/li\u003e\n  \u003cli\u003eRounding is settled on the page, so student answers match the key without argument\u003c\/li\u003e\n  \u003cli\u003eNo prep, and the answer keys make grading quick\u003c\/li\u003e\n  \u003cli\u003eWorks with a whole class, a small group, partners, or one student alone\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 middle school 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":61955706945906,"sku":"11158197","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/circumference-and-area-of-a-circle-worksheets-11158197.jpg?v=1792461265"},{"product_id":"complementary-supplementary-vertical-angles-digital-escape-room-geometry-activity-grades-6-8","title":"Complementary, Supplementary \u0026 Vertical Angles Digital Escape Room | Geometry Activity | Grades 6-8","description":"\u003cp\u003e\u003cstrong\u003eRecruits, your mission is hidden behind the angles.\u003c\/strong\u003e Students enter an interactive spy-school escape room where every locked door guards a complementary, supplementary, or vertical angle challenge. Solve for the missing angle, reveal the code, and break out before the clock runs down.\u003c\/p\u003e\n\u003cp\u003eIt's a no-prep, self-checking review game that runs in any browser — no apps, no logins, no printing. Just send the link and let them race the clock.\u003c\/p\u003e\n\u003ch3\u003eQuick details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade levels:\u003c\/strong\u003e 6-8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Interactive, browser-based digital escape room\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResource type:\u003c\/strong\u003e No-prep, self-checking review game\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill focus:\u003c\/strong\u003e Complementary, supplementary, and vertical angle relationships\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTech needed:\u003c\/strong\u003e Any device with a web browser\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe mission\u003c\/h3\u003e\n\u003cp\u003eSpy school has gone into lockdown and only an angle expert can get out. Use what you know about complementary, supplementary, vertical, and adjacent angles to solve for each missing measure, collect the codes, and complete the mission.\u003c\/p\u003e\n\u003ch3\u003eHow the escape room works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOpen the private link — no app or login required.\u003c\/li\u003e\n\u003cli\u003eWork through a series of animated angle-relationship challenges.\u003c\/li\u003e\n\u003cli\u003eEach correct answer reveals a code that unlocks the next room.\u003c\/li\u003e\n\u003cli\u003eWrong answers won't open the lock, so the room checks itself.\u003c\/li\u003e\n\u003cli\u003eCrack the final code to escape and complete the mission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn interactive escape room hosted on a private site — animated, with randomized answers for replayability.\u003c\/li\u003e\n\u003cli\u003eNo Boom Cards, Google Slides, logins, or subscriptions.\u003c\/li\u003e\n\u003cli\u003eA PDF containing your private access link to share via Google Classroom, email, or any LMS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSkills covered\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIdentifying complementary, supplementary, vertical, and adjacent angles\u003c\/li\u003e\n\u003cli\u003eWriting and solving equations to find an unknown angle measure\u003c\/li\u003e\n\u003cli\u003eApplying angle relationships formed by intersecting lines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBest used for\u003c\/h3\u003e\n\u003cp\u003eMath centers, tech time, early finishers, sub plans, homeschool, test prep, review days, and distance learning.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":61959890436466,"sku":"11417328","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/complementary-supplementary-vertical-angles-digital-escape-room-1.jpg?v=1782010650"},{"product_id":"circumference-area-of-a-circle-digital-escape-room-math-activity-grades-6-8","title":"Circumference \u0026 Area of a Circle Digital Escape Room | Math Activity | Grades 6–8","description":"\u003cp\u003eLock the lesson and hand over a link. This animated, self-checking digital escape room turns circumference and area of a circle practice into a high-stakes spy mission your students will race to finish.\u003c\/p\u003e\u003cp\u003eNo printing, no logins, no prep — just send the private link and let your agents put pi to work.\u003c\/p\u003e\u003ch3\u003eQuick details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade levels:\u003c\/strong\u003e 6–8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e interactive, browser-based escape room\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResource type:\u003c\/strong\u003e no-prep digital review game\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill focus:\u003c\/strong\u003e calculating circumference and area of circles using pi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTech needed:\u003c\/strong\u003e any device with a web browser\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe mission\u003c\/h3\u003e\u003cp\u003eYour agents are racing through a high-security operation, and every locked vault is guarded by a circle problem. Calculate the circumference or area correctly to reveal the code — get it wrong and the vault stays sealed.\u003c\/p\u003e\u003ch3\u003eHow the escape room works\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOpen the private link — no app, no login, no account.\u003c\/li\u003e\n\u003cli\u003eSolve each animated circle challenge.\u003c\/li\u003e\n\u003cli\u003eA correct answer reveals the next code; wrong answers won't unlock the door.\u003c\/li\u003e\n\u003cli\u003eCrack the final code to complete the mission and escape.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAn interactive escape room hosted on a private site (animated, with randomized answers for replayability).\u003c\/li\u003e\n\u003cli\u003eNo Boom Cards, Google Slides, logins, or subscriptions required.\u003c\/li\u003e\n\u003cli\u003eA PDF containing the private access link to share via Google Classroom, email, or any LMS.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSkills covered\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCalculating circumference from radius and diameter\u003c\/li\u003e\n\u003cli\u003eCalculating area of a circle\u003c\/li\u003e\n\u003cli\u003eApplying the value of pi\u003c\/li\u003e\n\u003cli\u003eWorking with radius and diameter relationships\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBest used for\u003c\/h3\u003e\u003cp\u003eMath centers, tech time, early finishers, sub plans, homeschool, test prep, Pi Day, end-of-unit review, and distance learning.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":61961727869298,"sku":"11157328","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/circumference-area-circle-digital-escape-room-1.jpg?v=1782084471"},{"product_id":"map-scale-mystery-detective","title":"Map Scale | Mystery Detective Worksheets | Grades 6–9 | Stolen Maps","description":"\u003cp\u003eThese map scale worksheets give your 7th grade or 8th grade middle school math class ten Mini Mystery Detective cases on finding real distances from a map. Students read written scales and scale bars in metric and customary units, and it's 7.G.A.1 scale drawings practice with a stolen maps theme. Put the cases in math centers, use them as warm-ups, or send one home for homework. There's no prep, and every case has an answer key.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEvery road on the maps has its map distance printed on a tag, which means nobody needs a ruler. Students multiply by the scale, look for the answer on the suspect list and cross that name off. If an answer isn't on the list, they know to check it again. When all twenty answers are right, one suspect is left over, and that's the villain.\u003c\/p\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\u003e10 one-page cases, 20 questions each, so 200 problems\u003c\/li\u003e\n  \u003cli\u003eAn answer key for every case\u003c\/li\u003e\n  \u003cli\u003eNine drawn maps. Case 9 is a page of written map problems instead\u003c\/li\u003e\n  \u003cli\u003eKilometers, meters and centimeters on some maps, inches and miles on others\u003c\/li\u003e\n  \u003cli\u003eTrips through other places, like Ash to Elm via Bly\u003c\/li\u003e\n  \u003cli\u003eA reference page on written scales, scale bars, trips, finding the scale, and going from map to real and back\u003c\/li\u003e\n  \u003cli\u003eContents, teacher instructions, a detective's case log and a Master Map Detective certificate\u003c\/li\u003e\n  \u003cli\u003e30 pages, black and white friendly\u003c\/li\u003e\n\u003c\/ul\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\u003eThe Stolen County Map\u003c\/strong\u003e - a county map with a written scale\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Forged Street Map\u003c\/strong\u003e - city streets and a scale bar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Missing Island\u003c\/strong\u003e - an island in inches and miles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Ranger's Secret\u003c\/strong\u003e - a national park scale bar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Buried Treasure\u003c\/strong\u003e - treasure island distances in meters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Ski Lift Swindle\u003c\/strong\u003e - a ski resort map\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Flooded Valley\u003c\/strong\u003e - finding the scale from one road\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Last Train Out\u003c\/strong\u003e - a train network in miles\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Coastline Charts\u003c\/strong\u003e - written map problems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Summit Route\u003c\/strong\u003e - a mountain trail, mixed review\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBring this pack in once your class has met scale drawings and is comfortable multiplying decimals, since the map tags use lengths like 3.4 cm and 2.75 in. The first six cases switch between written scales and scale bars, and the units change from kilometers to miles to meters along the way. Case 7 doesn't give a scale. Students work it out from one road whose real length they're told, then use it on the rest of the map. Case 9 asks the question the other way around too, going from a real distance back to millimeters on the map, with scales like 2 cm = 5 km. The Summit Route mixes everything with no scale given, and it makes a good review before a test.\u003c\/p\u003e\n\u003cp\u003eThe cases also work well with a small group, in your sub plans, as an early finisher challenge or for state test prep. The usual scale bar slip, multiplying by the number at the end of the bar, doesn't match any suspect, which helps students catch it themselves.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrade Levels\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMade for 7th grade and 7.G.A.1. It's also a useful map scale review for 8th grade.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Teachers Love Mystery Detectives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery Mystery Detective pack works the same way. Once your class has solved one case, they know what to do with the next one, in this pack or any other. Each case also stands on its own, which means you can choose the one that fits what you're teaching that day. Naming the villain gives every page a clear end point, and the answer key lets you check a page quickly.\u003c\/p\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 middle school classrooms.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.teacherspayteachers.com\/Sellers-Im-Following\/Add\/Kiwiland\"\u003ehttps:\/\/www.teacherspayteachers.com\/Sellers-Im-Following\/Add\/Kiwiland\u003c\/a\u003e\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62593071415666,"sku":"18020958","price":4.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/map-scale-scale-bar-practice-middle-school-math-centers.jpg?v=1792612245"},{"product_id":"scale-drawings-and-floor-plans-mystery-detective","title":"Scale Drawings and Floor Plans | Mystery Detective | Grades 6–9 | Blueprint","description":"\u003cp\u003eThese scale drawings worksheets are for 7th grade and 8th grade middle school math, with ten CSI Mini Mystery Detective math cases built around the floor plans of real buildings. Students use the scale to find the actual length, area and perimeter of rooms on floor plans and grid paper, including composite figures and harder scales like 2 in = 5 ft. It's 7.G.A.1 scale drawing practice for math centers, homework or test prep, the pages are no prep, and every case has an answer key.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMost scale drawings units finish with students drawing a floor plan of their own, and these cases are a good way to build up to it. Students read a real plan, pick out the right walls and turn plan inches into feet before they ever pick up a ruler. Each answer crosses a suspect off the list, so students check their own work as they go, and the case is solved when one name is left.\u003c\/p\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\u003e10 one-page cases with 20 questions on each, 200 problems in all\u003c\/li\u003e\n  \u003cli\u003eAn answer key for every case\u003c\/li\u003e\n  \u003cli\u003eNine drawn plans: floor plans with the measurements along the edges, and grid paper plans where students count squares\u003c\/li\u003e\n  \u003cli\u003eOne page of written scale drawing problems\u003c\/li\u003e\n  \u003cli\u003eInches and feet on most pages, centimeters and meters on three\u003c\/li\u003e\n  \u003cli\u003eA reference page on reading a floor plan, finding real lengths, grid paper, perimeter, area and harder scales\u003c\/li\u003e\n  \u003cli\u003eTeacher pages with the contents and instructions, a case log for students, and a certificate\u003c\/li\u003e\n  \u003cli\u003e30 pages. Everything prints in black and white\u003c\/li\u003e\n\u003c\/ul\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\u003eThe Stolen Blueprints\u003c\/strong\u003e - an office plan, walls and perimeters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Shrinking Mansion\u003c\/strong\u003e - real wall lengths in a mansion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Forged Gallery\u003c\/strong\u003e - a museum on grid paper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Vanishing Field\u003c\/strong\u003e - a school plan in meters\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Double-Booked Hotel\u003c\/strong\u003e - room areas from a hotel plan\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Hidden Room\u003c\/strong\u003e - areas in an old bank\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Missing Manuscript\u003c\/strong\u003e - L-shaped library rooms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Cramped Kitchen\u003c\/strong\u003e - two plans, two harder scales\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Castle Forgery\u003c\/strong\u003e - written scale drawing problems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThe Architect's Last Plan\u003c\/strong\u003e - a hospital plan, mixed review\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCases 1 and 2 start with the length of each wall and of the whole building on a measured floor plan. Cases 3 and 4 move to grid paper, where students count squares, then use the scale to find lengths and perimeters. Area comes in with Cases 5 and 6, and Case 7 adds L-shaped rooms, so students find the area of composite figures. Case 8 uses scales like 2 in = 5 ft, Case 9 is a page of written problems, and Case 10 brings everything together. You can give a single case to a small group, put a few in your sub plans, or keep the last ones for end of year review.\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 7th grade (7.G.A.1). 8th grade classes can use it as review before similar figures and dilations.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Teachers Love Mystery Detectives\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvery Mystery Detective pack works the same way. Once your class has solved one case, they know what to do with the next one, in this pack or any other. Each case also stands on its own, which means you can choose the one that fits what you're teaching that day. Naming the villain gives every page a clear end point, and the answer key lets you check a page quickly.\u003c\/p\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 middle school classrooms.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.teacherspayteachers.com\/Sellers-Im-Following\/Add\/Kiwiland\"\u003ehttps:\/\/www.teacherspayteachers.com\/Sellers-Im-Following\/Add\/Kiwiland\u003c\/a\u003e\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":62593083605362,"sku":"18020779","price":4.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/scale-drawings-7th-grade-floor-plans-area-and-perimeter-worksheets.jpg?v=1792612417"}],"url":"https:\/\/kiwilandeducation.com\/collections\/math-7-g.oembed","provider":"Kiwiland Education","version":"1.0","type":"link"}