حل درس Understand perimeter بوربوينت في الرياضيات باللغة الإنجليزية للصف الثالث (2)

Unit 11 .. ..Lesson 1.

Understand perimeter

By the end of this lesson, you will be able to :

Determine when a measurement describes perimeter.

Count or add to determine the perimeter of a figure.

5 + 5 + 4 + 4 = 18

3 + 4 + 3 + 1 + 6 + 5 = 22

7 + 4 + 2 + 2 + 2 + 2 + 3 + 4 =26

4 + 3 + 5 + 2 + 3 + 3 + 4 + 2 = 26

6 + 5 + 6 + 5 =

22 units

6 + 5 + 4 + 2 + 2 + 3 =

23 units، 16 units

Finn should find the perimeter because

That is the distance around the construction site

She use the perimeter to build the frame

She can use the area of the picture to determine how

much wall space The picture will cover.