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Perimeter - Measuring with a Ruler to Find Sides - Digital Activities and Video
(27 ratings)$4.00
Add to cartDescription
Your students will love learning how to Measure Side lengths of Rectangles with Movable Digital Rulers to Find Perimeter. This resource includes a Video Lesson and Easy-to-Use Google Slides activities that are Perfect for Distance Learning. This resource is designed for 3rd grade students and aligns to these standards: TEKS 3.7B.
This is Lesson 4 in the 3rd Grade Perimeter Series.
Here are links to the other lessons:
- 3rd Grade Perimeter Lesson 1: Using Addition to find Perimeter
- 3rd Grade Perimeter Lesson 2: Solve Multi-step Addition and Subtraction Problems to find Missing Side Lengths
- 3rd Grade Perimeter Lesson 3: Use Division to find Missing Side Lengths in Polygons with Equal Sides
- 3rd Grade Perimeter Lesson 4 (This resource): Measure Sides to the Nearest cm or inch to find the Perimeter of Rectangles
You may also be interested in these lessons on Area:
2nd/3rd Grade Area Lesson 1: Understand the Concept of Area by filling Rectangles with Square Units
3rd Grade Area Lesson 2: Find Area by Multiplying the Number of Rows by the number of Unit Squares in Each Row
⭐ Student Devices must have access to You-Tube to view the Video Lesson ⭐
The Video Lesson in this resource:
- Teaches students how to use a movable digital ruler to measure the sides of a rectangle to the nearest cm and inch
- Reviews how to find the perimeter of rectangles
- Walks students through the Google Slides activities they will complete
- Is approximately 7 minutes
⭐Many of the slides are self-checking, so students can work through the activity with confidence.
Topics and Activities Include:
- Using Movable Digital Rulers
- Measuring to the nearest inch/cm
- Finding Perimeter
- Comparing Perimeters
- Fun Slides with Movable pieces
- Application of Learning in Real-World Word Problems
- Word Problems have optional Step-by-Step support
What's Included?
- Video Lesson with Activity Instructions
- 11 Interactive Activities
- Teacher Key in separate Google Slides™ doc that can be assigned to students to check their work at home with their parents
- PDF with a link to make a copy of the Google Slides™ in your Google Drive
- Directions on how to assign the Google Slides™ activity to students in Google Classroom™
Standards Alignment
TEKS 3.7B Determine the perimeter of a polygon or a missing length when given perimeter and remaining side lengths in problems.
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Teacher reviews
“The activities and slides for review of perimeter. I used it for my observation as I check for understanding and self monitoring.”
“We used this to review this skill before the SOL test. It was very effective.”
Also included in
Reviews
4.7
27
ratings
-
January 19, 2026
The activities and slides for review of perimeter. I used it for my observation as I check for understanding and self monitoring.
Marissa M.
Grades taught: 3rd
-
September 10, 2025
We used this to review this skill before the SOL test. It was very effective.
Melissa B.
Grades taught: 3rd
-
May 11, 2025
I used this a way for students to use their perimeter knowledge to find the length of sides using a ruler. THe hardest part of this activity was the sizing of the ruler. Many students struggled with the way the ruler could be manipulated. This may be more of a suggestion for Google but there needs to be a way to lock the ruler so it can't be expanded or shrunk.
Woodall L.
Grades taught: 3rd
-
April 11, 2025
Great resource and my students liked doing this. It was a good change since we use paper a lot.
Shannon W.
Grades taught: 3rd
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August 31, 2024
This is one of my favorite Google Slides activities! My students were very engaged.
Rian's R.
Grades taught: 3rd
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November 29, 2023
Excellent little resources for the book. Love it. Thanks!
Kristen J.
Grades taught: 4th
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November 28, 2023
This was very useful for letting students practice using a digital ruler.
Adventure L.
Grades taught: 3rd
-
June 25, 2023
This is a great way to check for student understanding.
Jessica M.
Grades taught: 3rd
-
February 3, 2023
Awesome resource. My students loved this resource.
kendra R.
Grades taught: 3rd
-
September 1, 2022
Thanks!
Renee N.
Grades taught: 3rd
-
April 26, 2022
Love all your google slides activities!
Danielle P.
Grades taught: 3rd
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April 6, 2022
This resource was exactly what I needed for my third grade group! Thank you!
Priscilla P.
Grades taught: 3rd
-
February 4, 2022
Great resource!
FirstGradeCharades
Grades taught: 3rd
-
August 7, 2021
Easy for students to use and was perfect for a grade!
The 0.
Grades taught: 3rd
-
August 4, 2021
Great resource to reinforce perimeter! Love how aligned to the TEKS it is!
Lauren B.
Grades taught: 3rd
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July 15, 2021
Exactly what I was looking for! Thank you!!
Dona L.
Grades taught: 3rd
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June 23, 2021
I used this resource to help prepare my students for using an online ruler for state testing. I love that the ruler includes both cm and in for students to practice identifying which side to use. The color coding helped to support my lower students. Thanks!
Rachel D.
Grades taught: 3rd
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May 19, 2021
My students enjoyed working on these activities!
JUSTO M.
Grades taught: 3rd
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May 6, 2021
Great manipulatives for my distance learners with measuring area and perimeter.
Danielle M.
Grades taught: 3rd
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May 4, 2021
Who would have thought we would ever be teaching kids to use a virtual ruler - well here we are and this resource was PERFECT! Thank you for taking a topic and making it digital-friendly!
Lonestar L.
Grades taught: 3rd
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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
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