"Calculation of Perimeter of Rectangle and Square" Rectangle and Square PPT Courseware 3

"Calculation of Perimeter of Rectangle and Square" Rectangle and Square PPT Courseware 3

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"Calculation of Perimeter of Rectangle and Square" Rectangle and Square PPT Courseware 3

Think about it: if you know the perimeter of a square, how do you find the side length?

There is a square flower bed with a perimeter of 20 meters. What is the side length of the flower bed?

20÷4 = 5 (meters)

Answer: The side length of the flower bed is 5 meters.

A rectangular vegetable plot is 6 meters long and 3 meters wide. It needs to be surrounded by a fence, and one side is against the wall. How many meters does the fence need to be at least?

3 X 2 + 6 =12 (meters)

Answer: The fence needs to be at least 12 meters.

Solve the problem:

The school playground is 40 meters long and 30 meters wide. Xiaofang ran 3 times around the playground. How many meters did he run?

One circle (40+30)×2=140 (meters)

Three circles 140×3=420 (meters)

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)

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For more information about the PPT courseware "Calculation of Perimeter of Rectangles and Squares, Rectangles and Squares", please click the Calculation of Perimeter of Rectangles and Squares 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...

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