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Math Unit 4

Published on Nov 22, 2015

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

Michael Bowden