{"title":"Kindergarten Math: Counting \u0026 Cardinality","description":"\u003cp\u003eKindergarten math worksheets and activities for counting \u0026amp; cardinality (Common Core K.CC): printable mystery worksheets, CSI cases and digital escape rooms.\u003c\/p\u003e","products":[{"product_id":"easter-counting-within-20-digital-escape-room-math-activity-grades-k-1","title":"Easter Counting Within 20 Color by Number | Math Activity | Grades K–1","description":"\u003cp\u003eColor by number and an Easter picture appears! In this color-by-number activity, students count the objects, match the total to the color key, and fill the grid square by square — no worksheets, no prep, just a link.\u003c\/p\u003e\n\u003cp\u003eSend the link and let the mystery picture do the motivating. Every square colored correctly brings the hidden Easter image into view, and the self-checking design keeps students on track.\u003c\/p\u003e\n\u003ch3\u003eQuick details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade levels:\u003c\/strong\u003e K–1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Interactive, browser-based color-by-number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResource type:\u003c\/strong\u003e No-prep, self-checking activity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill focus:\u003c\/strong\u003e Counting objects within 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTech needed:\u003c\/strong\u003e Any browser device (Chromebook, laptop, or tablet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe activity\u003c\/h3\u003e\n\u003cp\u003eA hidden Easter picture is waiting under the grid. Students count the objects in each square, find the matching color in the key, and color the squares to reveal the surprise.\u003c\/p\u003e\n\u003ch3\u003eHow it works\u003c\/h3\u003e\n\u003cp\u003eOpen the private link (no app, no login) and start coloring. Count the objects, choose the color that matches the number, and watch the grid fill in. Correct answers build the picture while the activity checks itself — finish the grid to reveal the mystery Easter image.\u003c\/p\u003e\n\u003ch3\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn interactive color-by-number activity on a private site\u003c\/li\u003e\n\u003cli\u003eA mystery Easter picture that reveals as students work\u003c\/li\u003e\n\u003cli\u003eNo Boom Cards, Google Slides, logins, or subscriptions\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\n\u003ch3\u003eSkills covered\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCounting objects within 20 with one-to-one correspondence\u003c\/li\u003e\n\u003cli\u003eRecognizing and matching numbers to quantities\u003c\/li\u003e\n\u003cli\u003eBuilding early number sense\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, holiday fun, review, and distance learning.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":61959725941106,"sku":"11155613","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/easter-counting-within-20-digital-escape-room-1.jpg?v=1781994228"},{"product_id":"easter-counting-within-10-digital-escape-room-math-activity-grades-k-1","title":"Easter Counting Within 10 Color by Number | Math Activity | Grades K–1","description":"\u003cp\u003eColor by number and an Easter picture appears! 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Every square colored correctly brings the hidden Easter image into view, and the self-checking design keeps students on track.\u003c\/p\u003e\n\u003ch3\u003eQuick details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade levels:\u003c\/strong\u003e K–1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFormat:\u003c\/strong\u003e Interactive, browser-based color-by-number\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResource type:\u003c\/strong\u003e No-prep, self-checking activity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkill focus:\u003c\/strong\u003e Counting objects within 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTech needed:\u003c\/strong\u003e Any browser device (Chromebook, laptop, or tablet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThe activity\u003c\/h3\u003e\n\u003cp\u003eA hidden Easter picture is waiting under the grid. 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Just send the link and let them count their way out.\u003c\/p\u003e\n\u003ch3\u003eQuick details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade levels:\u003c\/strong\u003e K–1\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 Counting objects to 20\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\u003eA snowstorm has frozen the cabin doors shut. 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Solve it, reveal the code, and unlock your way to the exit before the holidays.\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. 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This animated, self-checking digital escape room turns counting to 20 into a sunny beach mission your little learners will love.\u003c\/p\u003e\u003cp\u003eNo printing, no logins, no prep — just send the private link and let your students solve their way out.\u003c\/p\u003e\u003ch3\u003eQuick details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade levels:\u003c\/strong\u003e K–1\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 counting objects and numbers to 20\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\u003eThe beach buckets are locked, and each one holds a counting puzzle. Count the objects to 20 correctly to reveal the next code; a wrong count keeps the bucket shut.\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 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\u003eCounting objects to 20\u003c\/li\u003e\n\u003cli\u003eRecognizing numbers to 20\u003c\/li\u003e\n\u003cli\u003eOne-to-one correspondence\u003c\/li\u003e\n\u003cli\u003eBuilding early number sense\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBest used for\u003c\/h3\u003e\u003cp\u003eMath centers, tech time, early finishers, end-of-year and summer review, sub plans, homeschool, and distance learning.\u003c\/p\u003e","brand":"Kiwiland Education","offers":[{"title":"Default Title","offer_id":61962184360306,"sku":"11986441","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/summer-counting-to-20-digital-escape-room-1.jpg?v=1782107106"},{"product_id":"100th-day-of-school-missing-numbers-to-100-mystery-detective-activity","title":"100th Day of School Missing Numbers to 100 Mystery Detective Activity","description":"\u003cp\u003e100th day of school math worksheets for 1st grade and 2nd grade: five cases of missing numbers to 100, where the number before and the number after is what crosses a place or a number off the clue list. The 100 day treats have gone, a hundred stickers are nowhere in sight and a hundred gremlins are loose in the school, so counting to 100 is the only way through, and a wrong number matches no clue. Print and go with full answer keys: no prep CSI Mini Mystery Detective math cases for morning work, math centers, early finishers, homework and sub plans.\u003c\/p\u003e\n\n\u003cp\u003eThe 100th day of school lands in late January in most rooms, and it needs something the class will sit down and do between the crown-making and the counting collections. A six year old will write the number before and after all morning to find out where the chocolates went, and one case fits a morning work slot. Five math cases in one Mystery Detective download covers the week around it.\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\u003eMissing Chocolates\u003c\/strong\u003e - the 100 day treats have gone\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMissing Number to 100\u003c\/strong\u003e - one number is off the chart\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMissing Stickers\u003c\/strong\u003e - a hundred stickers, none in sight\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100 Hidden Gremlins\u003c\/strong\u003e - gremlins loose in the school\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrincipals Birthday\u003c\/strong\u003e - nobody knows their age\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 on the number before and the number after to 100\u003c\/li\u003e\n  \u003cli\u003eTwelve questions a page: three cases on the number after, two on the number before\u003c\/li\u003e\n  \u003cli\u003eOne case works in number words, so reading numbers gets practiced as well\u003c\/li\u003e\n  \u003cli\u003eA dozen clues down the side, crossed off one answer at a time\u003c\/li\u003e\n  \u003cli\u003eA red-ink answer key for all five cases, and a certificate page for a closed 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 one printed page with a crime at the top and a list of clues beside the questions. Each clue carries a number, the answers on the page produce those numbers, and a match strikes that clue out. The one clue nobody matched is the solution. Nothing is cut, laminated or charged, and counting correctly is the only way through.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe obvious week is the 100th day itself, in late January or early February, and the days either side when the room is full of hundred-themed everything. It works as ordinary number sense practice at any point, because the child is counting on and counting back inside a hundred. All the instructions are on the page, so it goes into a sub folder as it is.\u003c\/p\u003e\n\n\u003cp\u003eUse it for morning work, math centers, early finishers, homework, 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 1st grade, where writing numbers to 100 sits in the standards. Second graders use it as a start of year check, and kindergarten classes late in the year once they are confident past fifty.\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\u003eA miscount matches no clue, so a child spots it without being told\u003c\/li\u003e\n  \u003cli\u003eNothing to prepare on a day that is already busy\u003c\/li\u003e\n  \u003cli\u003eFive short cases covers the hundredth-day week\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":62008160813426,"sku":"8936430","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/100th-day-of-school-numbers-before-and-after-to-100-worksheets-8936430.jpg?v=1792460272"},{"product_id":"100s-chart-missing-numbers-within-100-monster-mystery-detective-activity","title":"100s Chart Missing Numbers Within 100 Monster Mystery Detective Activity","description":"\u003cp\u003eMissing numbers to 100 worksheets for 1st grade and 2nd grade, hundreds chart practice built as five monster Mystery Detective math cases, the number before and the number after on every page. Print and go with full answer keys as back to school math activities for August and September, then no prep morning work, math centers, early finishers, homework and sub plans whenever number order slips. Monsters are loose in the school, each number a student writes crosses a suspect off the lineup, and a wrong number matches nobody, so this CSI Mini Mystery Detective set is counting to 100 the way it is tested and marks itself.\u003c\/p\u003e\n\n\u003cp\u003eThe first month of first grade is for finding out who can count past a ten without the chart on the wall, and five monster CSI Mini Mystery Detective math cases do it without anything that looks like a test. A six year old fills the gaps to catch the monster, the lineup tells them when a number is wrong, and one case fits a morning work slot.\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 Student Monster\u003c\/strong\u003e - something is loose in the school\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMonster Principal\u003c\/strong\u003e - the principal is not himself today\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMonster Teacher\u003c\/strong\u003e - extra schoolwork for everybody\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSchool Imposter Among Us\u003c\/strong\u003e - something got inside the school\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMonster Thief\u003c\/strong\u003e - every school book has gone\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 with a crime sheet and its own lineup of suspects\u003c\/li\u003e\n  \u003cli\u003eMissing numbers to 100, and the numbers that come before and after\u003c\/li\u003e\n  \u003cli\u003eSequences printed with gaps, the way they appear on a hundreds chart\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 one printed page carrying one crime and one lineup of suspects. Each suspect has a number, the crime sheet produces those numbers, and a correct answer takes that suspect out until a single name is left. Nothing is laminated, charged or bought, so the math does the whole job, and that is the difference between these detective activities and a page of math worksheets. A case runs about a class period.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhen to Use This Resource\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUse these while the hundreds chart is still on the wall and you want to know who can work without it. They show you quickly which children lose the sequence when they cross a ten, which is the bit that matters for everything that comes after. The monsters do the work of holding attention, and a wrong number crosses off the wrong suspect so the child spots it themselves.\u003c\/p\u003e\n\n\u003cp\u003eTeachers use it for test prep, homework, math centers, morning work, early finishers, sub plans and homeschool lessons, with a class, a small group or one child alone.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGrade Levels\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWritten for 1st grade, where counting and writing numbers to 100 sits in the standards, and used with 2nd graders as a start of year check. Kindergarten classes take it late in the year once they are confident past fifty.\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\u003eShows you who is counting past a ten and who is guessing\u003c\/li\u003e\n  \u003cli\u003eStudents correct themselves as the wrong monster comes off the lineup\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 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":62008162615666,"sku":"8408438","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/2848\/0626\/files\/100s-chart-missing-numbers-worksheets-1st-grade-8408438.jpg?v=1792460271"}],"url":"https:\/\/kiwilandeducation.com\/collections\/math-k-cc.oembed","provider":"Kiwiland Education","version":"1.0","type":"link"}