Pgs

Points, Lines, & Planes

ANGLES:

ACUTE,OBTUSE,RIGHT

Perpendicular, Intersecting, Parallel

Polygons

In geometry a polygon is traditionally a plane figure that is bounded by a finite chain of straight-line segments closing in a loop to form a closed chain or circuit.

Triangles

Lines of Symmetry

Circumference, Sectors, Arcs, Radius, Diameter, Chords, Tangents

Solid Figures

In geometry Solid figures are 3-dimensional figures that

have width, depth and height.

We will deal with pyramids, cylinders, cones, spheres, and prisms.

What shape is it?

Faces, Edges, and Vertices

Polygons

Math

5th Grade

Newport School

By Teacher German P

http://www.innovationslearning.co.uk/subjects/maths/activities/year3/symmetry/shape_game.asp

http://www.bbc.co.uk/bitesize/ks2/maths/shape_space/3d_shapes/play/

http://www.learnalberta.ca/content/mejhm/index.html?l=0&ID1=AB.MATH.JR.SHAP&ID2=AB.MATH.JR.SHAP.CIRC&lesson=html/object_interactives/circles/use_it.html

http://www.mathsisfun.com/geometry/plane-geometry.html

http://www.softschools.com/math/geometry/symmetry_game/draw_symmetry/

Congruent shapes

http://www.mathsisfun.com/geometry/plane-geometry.html

https://www.mangahigh.com/en/maths_games/shape/symmetry/lines_of_symmetry

http://www.ixl.com/math/grade-4/lines-of-symmetry

Congruent vs Similar Shapes

Regular Polygons

A regular polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length).

Quadrilaterals

Other polygons

Irregular Polygons

Polygons Video

http://www.mathplayground.com/matching_shapes.html

http://www.sheppardsoftware.com/mathgames/geometry/shapeshoot/PolygonShapesShoot.htm

http://www.math-play.com/Polygon-Game.html

Draw a Hexagon using a compass

http://www.math-play.com/types-of-poligons.html

Polygons in real life

Diagonals

http://www.aaamath.com/B/geo318x1.htm#section2

These figures do not have rotational symmetry, because when rotated, they are no longer an exact match.

Does the figure have rotational symmetry?

Rotational Symmetry- when a figure matches itself after being rotate 180º or less.

Does the figure have rotational symmetry?

Does the figure have bilateral symmetry (at least one line of symmetry)?

Does the figure have rotational symmetry?

Does the figure have bilateral symmetry (at least one line of symmetry)?

Does the figure have rotational symmetry?

Does the figure have bilateral symmetry (at least one line of symmetry)?

These figures do not do not have bilateral symmetry.

Bilateral Symmetry- when a figure has at least one line of symmetry.

Is the dotted line a line of symmetry?

These lines are not lines of symmetry.

Line of Symmetry- a line on which a figure can be folded so that both sides match exactly.