Curated OER
Perimeter: The Distance around a Shape
A few good questions move this lesson right along. Young mathematicians use critical-thinking skills as they learn how to determine the perimeter of various shapes. They determine perimeter first by measuring and adding the lengths of...
Curated OER
Sunshine Math - 3
In this math review worksheet, students answer 5 word problems involving patterns and algebraic reasoning. Students then answer 1 story problem about the perimeter of a triangle. Next, students examine a graph and answer a 4 part fill...
Curated OER
Grade 5 Geometry
In this grade five geometry worksheet, 5th graders utilizing mathematical strategies to calculate the perimeter of a triangle. Students recognize that the perimeter of a triangle is side a plus side b plus c.
Curated OER
Grade 4 Geometry
In this grade four geometry worksheet, 4th graders calculate the perimeter of a rectangle by figuring out the formula of the width and length of each side.
Cuemath
Cuemath: Triangles
Explore everything about triangles. Learn about the different types, important properties, and how to find its area and perimeter. Check out the solved examples and interactive questions for better understanding.
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Triangles
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate the area and perimeter of a triangle. Students examine guided notes, review guided practice, watch instructional videos and attempt...