Geometry
True or False
Polygons can have curved sides.
false
Bill is planting grass seed in his yard. He needs enough seed to cover his whole yard. His yard is 4 feet long and 2 feet wide. What is the area of his yard?
4 x 2 = 8 yards2
6 x 10 =
60
the top number that tells us how many parts we are referring to
numerator
A polygon with four sides
quadrilateral
Length = 5 miles
Width = 3 miles
What is the area?
5 x 3 = 15 miles2
3 x 9 =
27
the bottom number that tells us how many parts are in the whole
denominator
Polygon with five sides.
pentagon
8 x 10 = 80 inches2
or
8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 = 80 inches2
8 x 2 =
16
the parts in a fraction must be _______
equal
Polygon with six sides.
hexagon
Length - 4
Width - 5
What is the area?
20
7 x 4 =
28
There are 5 balls.
2 are green.
1 is blue.
2 are red.
What fraction of the balls are red?
2/5
A polygon with one pair of parallel sides.
trapezoid
Length - 3
Width - 6
What is the area?
18
5 x 5 =
25
On dice, there are 6 sides. Each side has a different number. What fraction of the sides has a 1 on it?
1/6