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

Description

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

Perimeter of rectangle = (length + width) × 2

Perimeter of a square = side length × 4

If two identical squares are put together into a rectangle, the perimeter of the rectangle will be 10 centimeters less than the sum of the perimeters of the two squares. What is the perimeter of the assembled rectangle?

Solution: 10÷2=5(cm)

(5+5×2)×2=15 ×2=30 (cm)

practice

On the right is a mirror. How many meters of aluminum alloy material is needed to make an aluminum alloy frame for it?

(2+1)×2=6(m)

Put 5 identical small rectangles together into a large rectangle. It is known that the length of the small rectangle is 9 cm. What is the perimeter of the large rectangle?

Solution: Width of small rectangle = 9×2÷3=6 (cm)

(9×2+9+6)×2=66(cm)

Answer: The circumference is 66 centimeters.

Summarize

Through this lesson, you can use your understanding of graphics to explore and master the calculation methods of the perimeter of rectangles and squares.

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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...

File Info

Update Time: 2024-11-02

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

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