3 rd grade unit 2 geometry
DESCRIPTION
3 rd Grade Unit 2 Geometry. MATH EXPRESSIONS Created By: Mrs. Leanna Hopkins. Do you remember?. Line segment Endpoint Line Horizontal Vertical Parallel Perpendicular Triangle Quadrilateral. Opposite Adjacent Parallelogram Rhombus Rectangle Square Perimeter Centimeter. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/1.jpg)
3rd Grade Unit 2 Geometry
MATH EXPRESSIONS
Created By: Mrs. Leanna Hopkins
![Page 2: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/2.jpg)
Do you remember? Line
segmentEndpointLineHorizontal Vertical Parallel Perpendicula
rTriangleQuadrilateral
OppositeAdjacentParallelogra
mRhombusRectangleSquarePerimeterCentimeter
![Page 3: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/3.jpg)
Line segmentA part of a line; A line segment has two
endpoints
![Page 4: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/4.jpg)
EndpointThe point at either end of a line segment
![Page 5: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/5.jpg)
LineA straight path that goes on forever in
opposite directions
What are some types of lines? HorizontalVerticalParallelPerpindicular
![Page 6: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/6.jpg)
Horizontal linesLines that extend in two directions, left and
right.
What is the opposite of horizontal?
Vertical
![Page 7: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/7.jpg)
Vertical linesLines that extend in two directions, up and
down
![Page 8: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/8.jpg)
Parallel linesTwo lines that are the same distance apart
everywhere
What is the opposite of parallel?
Perpendicular
![Page 9: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/9.jpg)
Perpendicular linesTwo lines that cross to form right angles
![Page 10: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/10.jpg)
TriangleA polygon with three sides
What is a polygon with four sides called? A quadrilateral
![Page 11: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/11.jpg)
QuadrilateralA polygon with 4 sides
What are some types of quadrilaterals?
Parallelograms Trapezoids Squares Rectangles Rhombuses
![Page 12: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/12.jpg)
Opposite sidesSides that are across from each other; they do
not meet at a pointExample:
Sides A and B are opposite of each otherWould sides A and D be opposite of each other? NoWhat would sides A and D be? Adjacent to each other
A
B
C D
![Page 13: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/13.jpg)
Adjacent sides Two sides that meet at a pointExample:
Sides A and D are adjacent to each otherAre sides A and B opposite or adjacent? Opposite
A
B
C D
![Page 14: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/14.jpg)
ParallelogramA quadrilateral with both pairs of opposite sides
parallel
What are some examples of parallelograms? Rhombus Square Rectangle
![Page 15: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/15.jpg)
RhombusA parallelogram with congruent sides
![Page 16: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/16.jpg)
RectangleA parallelogram that has all right angles
![Page 17: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/17.jpg)
SquareA parallelogram with 4 congruent sides and 4
right anglesA square is both a rhombus and a rectangle
![Page 18: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/18.jpg)
PerimeterThe distance around the outside of a figure
2
1
2
1
1+2+1+2 = 66 is the perimeter of the figure
![Page 19: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/19.jpg)
CentimeterA metric unit of measurement used to
measure length
![Page 20: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/20.jpg)
Line or line segment ?
![Page 21: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/21.jpg)
Horizontal or Vertical?
![Page 22: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/22.jpg)
Parallel or perpendicular?
![Page 23: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/23.jpg)
Triangle or quadrilateral ?
![Page 24: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/24.jpg)
Rhombus or rectangle?
![Page 25: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/25.jpg)
What is the perimeter?
11
3
![Page 26: 3 rd Grade Unit 2 Geometry](https://reader036.vdocuments.net/reader036/viewer/2022062520/56815bbb550346895dc9b625/html5/thumbnails/26.jpg)
Good luck on the test (: