Third Grade Operations & Algebraic Thinking Math Task Cards
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Finding the Perimeter of Polygons, including Rectangles - Google Slides Activity
(3 ratings)$3.00
Add to cartDescription
Students will love these fun & engaging slides to practice finding the perimeter of polygons. Students begin this activity by creating equations to find the perimeter of bright and colorful rectangles and polygons. Next, your students will return lost alligators to the correct pond by finding the perimeter of each pond. Some state test practice is sprinkled in: students use side lengths listed in tables to find the perimeter. Then to finish out the digital set of perimeter activities, students get to be the teacher as they give the alligators feedback on their perimeter calculations.
Your students will enjoy the variety of perimeter practice!
Benefits and Features of this Digital Perimeter resource:
- Every slide is bright and colorful to capture your students' attention.
- Interactive movable pieces keep students engaged.
- Video Instructions embedded into the Google Slides make your job easier.
Video instructions for students are embedded in the activity:
- Have students who forget instructions as soon as it is time for them to begin working? Students can watch the video instructions before completing the activity at a math station, for seatwork or homework.
- Have students who are absent? The video instructions save you time so that you don't have to explain how to complete the activity to students.
- Have a sub? They can watch the video instructions so that they can offer support while students complete the digital activity.
Perimeter Topics Include:
- Finding the Perimeter of Rectangles
- Finding the Perimeter of Polygons
- Understanding that opposite sides of Rectangles are Equal
- Creating Addition Equations to find the Perimeter
What's Included in this Finding Perimeter Google Slides resource?
- PDF with a Link to make a copy of the Google Slides in your Google Drive
- Video Instructions (Student devices must be able to access You-Tube)
- 15 engaging student practice slides
- Teacher Key
Ideas on how to use this resource:
- Use it as a whole class teaching tool by projecting the slides and using the movable, interactive pieces to teach your lesson
- Use this resource as a no prep math station
- Use it as an early finisher activity
- Use this resource for small group reteach or tutoring
- Assign this resource as a lesson for student practice as independent work. the embedded video instructions keep students from interrupting you.
- Share the digital key for parents and students to check work at home
This resource can be easily assigned in Google Classroom or any other platform compatible with Google Slides. Homeschool parents can use this resource by simply opening it in Google Slides. All you need to access Google Slides is a free Gmail account.
Standards Alignment:
Math TEKS
3.7B: Determine the perimeter of a polygon or a missing length when given perimeter and remaining side lengths in problems.
Common Core
3.MD.8: Solve real-world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different area or with the same area and different perimeter.
__________________________________________________________
Copyright © Marvel Math
Permission to copy for single classroom use only.
Please purchase additional licenses if you intend to share this product.
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Teacher reviews
“I have purchased many of these math activities, and love them all. Students are always engaged, and enjoy completing them.”
“Loved this resource!”
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October 7, 2026"This resource is an absolute game-changer for teaching Unit 3 in 4th grade! If you are feeling overwhelmed by the dense teacher manuals or spending hours trying to format your own presentations, do yourself a favor and buy this right now. The slides are completely no-prep, beautifully designed, and student-friendly. Every single lesson includes clearly stated learning targets right at the beginning, which keeps my students focused and aligns perfectly with our instructional goals. I especially love the embedded anchor charts and direct hyperlinks—they save me so much transition time during lessons because I don’t have to hunt for materials across different tabs or manuals. The included student worksheets and guided practice prompts provide wonderful scaffolding that keeps student engagement high and supports all learners, including my emerging bilinguals and students who need extra support. It breaks down complex concepts into bite-sized, manageable pieces without watering down the curriculum. Thank you for creating such a polished, time-saving, and effective teaching tool! It has easily cut my planning time in half and made our daily lessons run seamlessly."
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Meet the Seller
In addition to my work in education, I also run a STEM-based Christmas Light Show business. When I'm not creating new math resources or working with teachers, I'm designing and fabricating light shows sequenced to music with my husband and our team. That business came about after our family was featured on ABC's The Great Christmas Light Fight. My son attends the University of Texas, Austin and I'm currently soaking up every last minute with my daughter, a high school senior.
San Antonio, Texas
- 4.88Store rating after 24.5K reviews
- 1Follower
- Wal-Mart Teacher of the Year Educator of the Year, Henderson Elementary Central Unified Above and Beyond the Call of Duty Award Y101 Teacher of the Week
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