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Objective:
To describe properties of solid
shapes
such as perpendicular and
parallel lines, faces and edges
PART 1
SOLID SHAPES
Two-dimensional Shapes (2D)
• These shapes are flat
and can only be drawn
on paper.
• They have two
dimensions – length
an...
Three-dimensional Shapes (3D)
• These shapes are solid
or hollow.
• They have three
dimensions – length,
width and height.
Face
• Part of a shape that is
flat.(Or curved)
• E.g. A cube has 6
of these.
Edge
• The line where two
faces meet.
• E.g. A cube has 12 of
these.
Vertex (Vertices)
• The place where three
or more edges meet.
• This pyramid has 4 of
these.
Parallel
• These type of lines
stay the same distance
apart for their whole
length. They do not
need to be straight or
the...
Perpendicular
• A line that is drawn in
a right angle to
another line .
• In solid shapes edges
could be at a right
angle ...
Cube
• A three-dimensional
shape which has 6
square faces all the
same size.
Some faces parallel
Some edges parallel
Some ...
Cuboid
• A three-dimensional
shape which has 6
rectangular faces.
Some faces parallel
Some edges parallel
Some faces perpe...
Sphere
• A perfectly round
three-dimensional
shape, like a ball. It
has only one curved
face.
No perpendicular faces or ed...
Hemisphere
• A three-dimensional
shape that is half a
sphere.
No parallel faces or edges
No perpendicular faces or edges
Cone
• A three dimensional
shape with a circle at
its base and a pointed
vertex.
No perpendicular faces or edges
No parall...
Cylinder
• A three-dimensional
shape with circular
ends of equal size.
Some faces parallel
Some edges parallel
Some faces ...
Pyramid
• A three-dimensional
shape which has a
polygon for its base
and triangular faces
which meet at one
vertex.
•E.g. ...
Square base pyramid
No faces perpendicular
Some edges perpendicular
No faces parallel
Some edges parallel
Prism
• A three dimensional
shape that has the
same cross-section all
along its length.
Written task
Cube
Cuboid
Cone
Square based- Pyramid
Sphere
Hemispere
SOME PERPENDICULAR FACES
NO PERPENDICULAR FACES
SOME ...
Written task
Cube
Cuboid
Square-based pyramid
Sphere
Hemisphere
Cone
SOME PERPENDICULAR EDGES
NO PERPENDICULAR EDGES
SOME ...
PART 2
PLANE SHAPES
Polygons
Two-dimensional shapes
that have sides made
from straight lines.
• E.g. triangles
squares
hexagons
Quadrilaterals
• Any two-dimensional
shapes with four
straight sides.
• E.g. square
rhombus
rectangle
trapezium
kite
Rectangle
• A four sided two-
dimensional shape
with two pairs of
parallel sides that meet
at right angles.
Kite
• A two-dimensional
shape with two shorter
sides of equal length
and two longer sides
of equal length.
Rhombus
• A two-dimensional
four sided shape with
opposite sides that are
parallel and all the
sides are the same
length.
Trapezium
• A two-dimensional
shape with four
sides.One pair of sides
is parallel with one
side longer than the
other.
Pentagon
• A two-dimensional
shape with five
straight sides and five
angles.
Hexagon
• A two-dimensional
shape with 6 straight
sides and 6 angles.
Octagon
• A two-dimensional
shape with 8 straight
sides and 8 angles.
What do we call a shape with:
7 Sides?
9 Sides?
10 Sides?
Circle
• A round flat two-
dimensional shape.
Square
• Two dimensional
shape with 4 sides of
the same length and 4
90° angles.
Triangle
• Two-dimensional
shape with three
straight sides and three
angles.
• Can you name 4
different kinds?
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Properties of 2_d_3d_shapes

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Properties of 2_d_3d_shapes

  1. 1. Objective: To describe properties of solid shapes such as perpendicular and parallel lines, faces and edges
  2. 2. PART 1 SOLID SHAPES
  3. 3. Two-dimensional Shapes (2D) • These shapes are flat and can only be drawn on paper. • They have two dimensions – length and width. • They are sometimes called plane shapes.
  4. 4. Three-dimensional Shapes (3D) • These shapes are solid or hollow. • They have three dimensions – length, width and height.
  5. 5. Face • Part of a shape that is flat.(Or curved) • E.g. A cube has 6 of these.
  6. 6. Edge • The line where two faces meet. • E.g. A cube has 12 of these.
  7. 7. Vertex (Vertices) • The place where three or more edges meet. • This pyramid has 4 of these.
  8. 8. Parallel • These type of lines stay the same distance apart for their whole length. They do not need to be straight or the same length.
  9. 9. Perpendicular • A line that is drawn in a right angle to another line . • In solid shapes edges could be at a right angle to one another. • Faces could also be at right angles to one another.
  10. 10. Cube • A three-dimensional shape which has 6 square faces all the same size. Some faces parallel Some edges parallel Some faces perpendicular Some edges perpendicular
  11. 11. Cuboid • A three-dimensional shape which has 6 rectangular faces. Some faces parallel Some edges parallel Some faces perpendicular Some edges perpendicular
  12. 12. Sphere • A perfectly round three-dimensional shape, like a ball. It has only one curved face. No perpendicular faces or edges No parallel faces or edges
  13. 13. Hemisphere • A three-dimensional shape that is half a sphere. No parallel faces or edges No perpendicular faces or edges
  14. 14. Cone • A three dimensional shape with a circle at its base and a pointed vertex. No perpendicular faces or edges No parallel faces or edges
  15. 15. Cylinder • A three-dimensional shape with circular ends of equal size. Some faces parallel Some edges parallel Some faces perpendicular No edges perpendicular
  16. 16. Pyramid • A three-dimensional shape which has a polygon for its base and triangular faces which meet at one vertex. •E.g. Triangular pyramid • Square pyramid • Hexagonal pyramid • Pentagonal pyramid
  17. 17. Square base pyramid No faces perpendicular Some edges perpendicular No faces parallel Some edges parallel
  18. 18. Prism • A three dimensional shape that has the same cross-section all along its length.
  19. 19. Written task Cube Cuboid Cone Square based- Pyramid Sphere Hemispere SOME PERPENDICULAR FACES NO PERPENDICULAR FACES SOME PARALLEL FACES NO PARALLEL FACES
  20. 20. Written task Cube Cuboid Square-based pyramid Sphere Hemisphere Cone SOME PERPENDICULAR EDGES NO PERPENDICULAR EDGES SOME PARALLEL EDGES NO PARALLEL EDGES
  21. 21. PART 2 PLANE SHAPES
  22. 22. Polygons Two-dimensional shapes that have sides made from straight lines. • E.g. triangles squares hexagons
  23. 23. Quadrilaterals • Any two-dimensional shapes with four straight sides. • E.g. square rhombus rectangle trapezium kite
  24. 24. Rectangle • A four sided two- dimensional shape with two pairs of parallel sides that meet at right angles.
  25. 25. Kite • A two-dimensional shape with two shorter sides of equal length and two longer sides of equal length.
  26. 26. Rhombus • A two-dimensional four sided shape with opposite sides that are parallel and all the sides are the same length.
  27. 27. Trapezium • A two-dimensional shape with four sides.One pair of sides is parallel with one side longer than the other.
  28. 28. Pentagon • A two-dimensional shape with five straight sides and five angles.
  29. 29. Hexagon • A two-dimensional shape with 6 straight sides and 6 angles.
  30. 30. Octagon • A two-dimensional shape with 8 straight sides and 8 angles.
  31. 31. What do we call a shape with: 7 Sides? 9 Sides? 10 Sides?
  32. 32. Circle • A round flat two- dimensional shape.
  33. 33. Square • Two dimensional shape with 4 sides of the same length and 4 90° angles.
  34. 34. Triangle • Two-dimensional shape with three straight sides and three angles. • Can you name 4 different kinds?

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