2-D and 3-D Shapes
Let’s see what do you know?
What am I?
I have 2 pairs of equal sides
4 right angles
Click here for the
Answer
What am I?
I’m a shape with no angles.
Click here for the
Answer
What am I?
I have 5 sides.
Click here for the
Answer
What am I?
I have 4 sides all the same
I have 4 corners.
Click here for the
Answer
What am I?
I’m a pyramid like 3-D shape with a circular base.
Click here for the
Answer
What am I?
I’m a long tube with
2 equal sized circular ends.
Click here for the
Answer
2-D Shapes
2-D Shapes
Rightangled
triangle
One of its angles is a
right angle (90°)
Equilateral
triangle
3 equal sides
3 equal angles of 60°
Isosceles
triangle
2 equal sides
2 equal angles
Scalene
triangle
No equal sides
No equal angles
More 2-D Shapes
Pentagon
5 sides.
Circle
No sides
No angles
Hexagon
have 6 sides
More 2-D Shapes
Trapezoid
One pair of parallel sides of
different lengths
Rectangle
Rectangle
2 pairs of equal sides
4 right angles
Square
Square
4 equal sides
4 right angles
Rhombus
Rhombus
4 equal sides
Opposite sides are parallel
Opposite angles are equal
Kite
2 pairs of equal
No parallel sides.
Parallelogram
2 pairs of equal sides
Opposite sides are parallel
Opposite angles are equal
3-D Shapes
3-D means the shape has 3
dimensions; length, width and depth.
3-D Shapes
Sphere
Cylinder
Cone
Long tube with
2 equal sized
circular ends.
Every point on the surface
of the sphere is the same
distance from the centre.
A pyramid with a circular cross
section. The point of the cone is
directly above the centre of the
circular base.
3-D Shapes
Six faces which are all squares
Faces
6
Corners
8
Edges
12
Six faces which are all
rectangles
Faces
6
Corners
8
Edges
12
3-D Shapes
3-D Shapes
Shape Facts
Click here to practice some shape facts.
• http://tinyurl.com/56j3q2
Revision
• Click here to learn more about quadrilateral
• Click here to learn more about Triangles
Quiz
1. A triangle with three equal sides is called
an isosceles triangles
an equilateral triangle
a scalene triangle
Let us review
• http://tinyurl.com/2e3r97
Back to Question 1
2. A 2D shape with 6 sides is called
a quadrilateral
a pentagon
a hexagon
Let us review
Click here to learn more about quadrilateral
Back to Question 2
3. I have two pairs of equal sides. My opposite sides are parallel. I
have no right angles. What am I?
Rectangle
Parallelogram
Kite
Let us review
Trapezoid
One pair of parallel sides of
different lengths
Rectangle
2 pairs of equal sides
4 right angles
Square
4 equal sides
4 right angles
Rhombus
4 equal sides
Opposite sides are parallel
Opposite angles are equal
Back to Question 3
Kite
2 pairs of equal
No parallel sides.
Parallelogram
2 pairs of equal sides
Opposite sides are parallel
Opposite angles are equal
4. Which of these shapes has no lines of symmetry?
Square
Scalene triangle
Rectangle
Let’s take another look.
Click here to learn more about quadrilateral
Back to Question 4
5. I have four equal sides and four right angles. What am I?
Square
Rectangle
Rhombus
Let us review
Click here to learn more about quadrilateral
Rectangle
Rhombus
Back to Question 5
Square
6. The distance halfway across a circle is called
Circumference
Radius
Diameter
Let us review
Circle
No sides
No angles
Back to Question 6
7. A triangle with two equal angles is called
Equilateral triangle
Isosceles triangle
Scalene triangle
Let us review
http://tinyurl.com/2e3r97
Back to Question 7
8. A 3-D tube shape with 2 equal sized circular ends
Sphere
Circle
Cylinder
.
Take another look!
Sphere
Cylinder
Back to Question 8
9. A shape with 6 rectangle faces, 8 corners and 12 edges.
Cuboid
Cube
Hexagon
Let us review
Hexagon
Back to Question 9
Take Another Look
http://www.bbc.co.uk/schools/ks2bitesize/maths/tests/s
hapes.shtml
Polygon Land
• Now, let’s have some fun at polygon Land.
• You'll find hundreds of polygons to drag anywhere you want.
• Be a creative designer at polygon Land. These are examples
of what you can do there. Be sure to read the instructions
before you play.
Ready? Click here.
Class Activity
Find more about 3-D shapes with your partner. Click on the shapes below
and print them then follow the instructions on the sheet.
With a partner, make a chart like the one below and use it to find 3-D shapes
around the classroom. Answer each question about the properties of the
object and then see if you can correctly identify and name the object.
Number of faces
Number of vertices
Number of edges
Name of shape
Homework
• Choose a 3D shape and design a promotion
poster for it. What makes this shape special?
What are its properties? What is it used
for/where is it seen (for example, packaging,
buildings) and what makes it a good shape for
this use?
You made it.
Hip, Hip, Hooray!
Just kidding, this is it !
The End.
Click here of you want to take the
quiz once more
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