"Perimeter of Rectangle and Square" PPT courseware on rectangle and square

Description

"Perimeter of Rectangle and Square" PPT courseware on rectangle and square

Do the math:

A rectangular swimming pool is 20 meters long and 10 meters wide. What is its perimeter in meters?

(20+10)×2＝60 (meters)

Answer: Its circumference is 60 meters.

A square handkerchief has a side length of 20 cm. What is its circumference in cm?

20×4=80(cm)

Answer: Its circumference is 80 centimeters.

Choose the correct formula and explain why.

1. The perimeter of the square is 36 centimeters. What is the length of its side in centimeters?

2. The side length of the square is 36 centimeters. What is its perimeter in centimeters?

(1) 36×4=144(cm)

(2) 36÷4=9(cm)

Class summary:

How to calculate the perimeter of a rectangle:

Method 1: Perimeter = length + width + length + width

Method 2: Perimeter = length × 2 + width × 2

Method 2: Perimeter = (length + width) × 2

How to calculate the perimeter of a square:

Method 1: Perimeter = side length + side length + side length + side length

Method 2: Perimeter = side length × 4

Keywords: rectangle and square courseware, rectangle and square perimeter courseware, Jiangsu Education Edition third grade mathematics volume PPT courseware download, third grade mathematics slide courseware download, rectangle and square PPT courseware download, rectangle and square perimeter PPT courseware download, .PPT format;

For more information about the PPT courseware "Rectangle and Square Perimeter of Rectangle and Square", please click the Rectangle and Square ppt Rectangle and Square Perimeter ppt tag.

"Calculation of Perimeter of Rectangles and Squares" Perimeter PPT Courseware 3:

"Calculation of the Perimeter of Rectangles and Squares" Perimeter PPT Courseware 3 Learning Objectives 1. Further understand and master the formulas for calculating the perimeter of rectangles and squares, and be able to use the formulas to solve simple practical problems. 2. Combined with the reality of life, improve students’ hands-on operations..

"Calculation of Perimeter of Rectangles and Squares" Perimeter PPT Courseware 2:

"Calculation of Perimeter of Rectangles and Squares" Perimeter PPT Courseware 2 Learning Objectives 1. Through practice, you can further deepen your understanding of perimeter and become more proficient in calculating the perimeter of rectangles and squares. 2. Combined with specific situations, we can further perceive the perimeter and real life..

"Calculation of Perimeter of Rectangles and Squares" Perimeter PPT courseware:

"Calculation of Perimeter of Rectangle and Square" Perimeter PPT Courseware (1) 75+55+75+55=260 (meter) Length + Width + Length + Width = Perimeter of Rectangle (2) 75+75+55+55 = 260 (meters) Length + Length + Width + Width = Perimeter of the rectangle (Length + Width) 2 = Perimeter of the rectangle. Find the rectangle...

File Info

Update Time: 2024-11-22

This template belongs to Mathematics courseware Jiangsu Education Edition Third Grade Mathematics Volume 1 industry PPT template

Preview