+

Perimeter-AROUND

Rating:
(0)
Author: Rachel Casto
Description:

I can use the perimeter formula of "2L + 2w = p" to solve real world problems.

(more)

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

No credit card required

28 Sophia partners guarantee credit transfer.

281 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 25 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial

Key Vocabulary

perimeter-distance around a 2-D shape; the border; found using the algorithm "(2 x length) + (2 x width) = perimeter" or "L + L + w + w"

Students in fourth grade are expected to find the perimeter of squares and rectangles.

Below you will find resources to help students better understand how to find the perimeter around a shape.

PERIMETER OF SQUARES AND RECTANGLES

Perimeter
(Source:  Study Jams)

Perimeter
(Source:  LearnZillion)

Using Standard Algorithm
(Source:  LearnZillion)

Using Area Model
(Source:  LearnZillion)

Find Missing Sides Using Perimeter Formula
(Source:  LearnZillion)

PERIMETER OF IRREGULAR SHAPES

More Than 4 Sides
(Source:  LearnZillion)

Perimeter and Area

AREA AND PERIMETER

Area and Perimeter Help