
Introduction to Geomoetry
Presentation
•
Mathematics
•
KG - 3rd Grade
•
Practice Problem
•
Medium
Standards-aligned
Hope
Used 29+ times
FREE Resource
17 Slides • 5 Questions
1
Introduction to Geometry
2
Geometry is a new word. Makes it seem like it is hard to learn, but I know you guys are smart and can do it :)
3
Even though word geometry is new we have seen it before in.....
....shapes. That's right shapes are geometry
4
Name some shapes.
square
triangle
circle
pentagon
rectangle
5
Shapes with straight sides are also called POLYGONS
6
Multiple Select
Which SHAPES are polygons?
square
traingle
circle
pentagon
7
A circle is round so it is not a polygon.
8
Next we will learn about perimeter.
(perimeter is distance around a shape)
9
Perimeter is the distance around a shape. To find perimeter you add up all the sides of the shape.
don't forget to also place the unit in your answer
10
What is the perimeter of this square?
the unit here is cm (centimeter)
11
16 cm
because 4+4+4+4 =16
12
If you notice all the sides of the SQUARE were the same number. This is because in squares all the sides are equal in length.
13
What is the perimeter of this rectangle?
the unit here is yd (yards)
14
14 yd
because 4+4+3+3= 14
15
What is the perimeter of this triangle?
the unit here is ft (feet)
16
18 ft
because 6+4+8=18
17
GREAT JOB NOW WE WILL DO A SPEED ROUND
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Multiple Choice
2
4
6
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Multiple Choice
12
11
10
20
Multiple Choice
5
6
8
21
The next one is the last one and it is kind of hard :/
but you guys will get it!!
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Multiple Choice
18
20
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Introduction to Geometry
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