Vocabulary
A mathematical relationship that is expressed in the form of an equation.
Formula
Triangle: S1=10 S2=20 S3=30
60
A square with a side that is 10 cm
100 cm2
Bentley is building a fence in the shape of a square. One side is 25 ft. What is the PERIMETER of the fence?
100 ft
If an equilateral triangle has a side of 20 cm and a square has a side of 12 cm. Which shape has the greatest perimeter?
Equilateral Triangle
True or False: A=LxW is a formula
True
Square with a side of 10 cm.
40 cm
What is the formula for the area of a rectangle?
Area equals Length times width
Coen builds a rectangular chicken coop with an area of 50 ft. The length is 10 ft, what is the width?
5 ft
If a square has a Perimeter of 20 cm. What is the area?
25 cm2
The distance around a 2-Dimensional shape.
Perimeter
Rectangle with length of 10 cm and width of 5 cm.
30 cm
A rectangle: L=5 in W=7 in
35 in2
Kaleb is building a wooden equilateral triangular sandbox. One side is 20 ft. What is the perimeter?
60 ft
The amount of space inside a closed 2-Dimensional shape.
Area
Regular Pentagon with a side of 20 in.
100 in
Area of a square is 16 cm2. What is the side length?
4 cm
Mr. Wilson is building a deck. The length is 100 ft and the width is 300 ft. What is the area of the deck?
30000 ft2
Review: An operation used to separate a number of items into equal sized groups.
Division
A regular hexagon with a perimeter of 90 m. How long is each side?
15 m
Rectangle with area of 200 cm2 with a width of 10 cm. What is the length?
20 cm
Rylee draws a rectangle with a length of 7 cm and a width of 14 cm. What is the area?
98 cm2