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Geometry Vocabulary
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A set of images that relate to Math vocabulary in Geometry, Perimeter & Area for Grade 3
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PRESENTATION OUTLINE
1.
Parallel
Lines that are the same distance apart
Photo by
Iliyan Yankov
2.
Right angle
An angle measuring 90 degrees
Photo by
cogdogblog
3.
Adjacent
Lines or angle immediately next to each other
Photo by
Anna & Michal
4.
Congruent
Having the same shape and the same size
Photo by
Jiahui Huang
5.
Opposite
Situated on the other side; pairs of angles or sides directly opposite each other
Photo by
jjMustang_79
6.
Set
A collection of items
Photo by
Horia Varlan
7.
Venn diagram
A diagram using circles or shapes to show the relationship between sets
Photo by
bezael_moi
8.
Parallelogram
A quadrilateral with opposite sides that are parallel and of equal length and opposite sides that are equal
9.
Rhombus
Parallelogram with four equal sides and equal opposite angles
Photo by
fototastisch
10.
Square
A Quadrilateral with...
Four equal sides
Four right angles
Opposite sides that are parallel
2 diagonals that bisect at right angles
4 lines of symmetry
Photo by
visualpanic
11.
Rectangle
Quadrilateral with four right angles and two pairs of equal parallel sides
Photo by
mark sebastian
12.
Angle
The amount of turning between two lines that meet at a common point
Photo by
mliu92
13.
Side
A straight line joining the vertices of a polygon
Photo by
Zyada
14.
Diagonal
Line joining two non adjacent vertices (corners) of a polygon
15.
Vertex
A point where: 2 per more arms of an angle meet, the adjacent sides of a polygon meet, the edges of a solid figure meet
Photo by
visualpanic
16.
Perpendicular
At right angles to the horizon OR lines that intersect at right angles
Photo by
Domiriel
17.
Acute angle
An angle measuring less than 90 degrees
Photo by
jev55
18.
Obtuse angle
Any angle between 90 and 180 degrees
Photo by
huzzah16
19.
2 dimensional
Having two dimensions, length and breadth (width)
Photo by
Alexandre Hamada Possi
20.
Rectangle
A quadrilateral with: four right angles, and two pairs of opposite equal parallel sides
Photo by
ecstaticist
21.
Hexagon
A polygon with 6 sides
Photo by
estherase
22.
Pentagon
A polygon with 5 sides
Photo by
afagen
23.
Nonagon
A polygon with 9 sides
Photo by
origami_madness
24.
Centimeter
A metric unit for measuring length, equal to on hundredth of a metre
Photo by
Skakerman
25.
Unit
Another name for one OR Place value - the units column is the ones column
Photo by
Wilson Hui
26.
Untitled Slide
27.
Untitled Slide
Ellen Manson
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