Quadrilaterals
This is a word that names ALL shapes with 4 sides.
a quadrilateral
What is a shape with 3 sides called?
triangle
What 3-D shape is like a can of soup?
a cylinder
Draw a right angle on the board or on a sheet of paper
L
A right angle looks like an "L" and usually has a square in the corner to show it is exactly 90 degrees.
I'm am a polygon. I am not a quadrilateral. I have more than 4 sides, but I do not have as many as a hexagon.
pentagon
A four-sided shape with 4 EQUAL sides with 4 right angles
a square
What is a shape with 6 sides called?
a hexagon
What 3-D shape is like a basketball?
a sphere
Draw an acute angle on the board or on a sheet of paper
<
An acute angle is smaller than a right angle. It is less than 90 degrees.
I am not a quadrilateral but I am a polygon. I have less sides than a quadrilateral but I have more than 2 sides. I am the face of a pyramid.
triangle
Is a hexagon a quadrilateral?
No, it has six sides
What is a shape with 8 sides called?
an octagon
What 3D shape looks like a birthday party hat or an ice cream cone?
A cone
Draw an obtuse angle on the board or on paper
\_
An obtuse angle is bigger than a right angle
This is true about ALL quadrilaterals.
They all have 4 sides.
Is a trapezoid a quadrilateral?
Yes, it has 4 sides
What is a shape with 5 sides called?
pentagon
What 3D shape looks like a textbook and has a rectangular base?
Rectangular Prism or Cuboid
I am a type of angle. I am 130 degrees and I am BIGGER than a right angle. What am I?
a. acute b. right c. obtuse
c. obtuse angle
A shape with only straight sides and no curves. It is a 2D closed figure. What is the word that describes these types of shapes?
polygon
Are all polygons quadrilaterals?
NO
TRUE OR FALSE:
A polygon is any 2-D, closed shape but some of the sides can be curved or round.
FALSE
A polygon has only straight sides
What 3D shape has a net of all squares and each face is a square?
cube
I am a type of angle. I am very small, only 20 degrees wide. I am SMALLER than a right angle. What am I?
a. acute b. right c. obtuse
a. Acute angle
Lines that run like railroad tracks. If they keep going on forever, they would never ever touch.
parallel lines