Vocabulary
What does "the area" of a shape mean?
The number of unit squares needed to cover the inside of a shape. The measurement of the inside of a shape.
A square with sides that are each 1 unit long is called a.........
Unit square
The gym at PS 398 is 7 meters long and 9 meters wide. What is the measurement of the inside of the gym?
63 sq meters
This shape has four equal sides.
Square
What property of multiplication is shown below for the problem 2x7?
(2x4) + ( 2x3)
distributive property
A unit square has an area of 1 square unit.
True or False
True
Ms. Braverman has a square carpet that has a length of 5ft. What is the area of Ms. Braverman's carpet?
25 sq ft
What is the best unit of measurement to use to measure the floor of a classroom?
A) Centimeters
B) Inches
C) Meters
C) Meters
What property is shown below?
8x6 = 6x8
Commutative Property
Ashley says a square that has a length of 9 feet has an area of 18 square feet. Is Ashley correct? Why or Why not?
In a square all 4 sides are equal, so (LxW=A) 9x9=81. Ashley added length and width to get 18.
Mrs. Marcum's desk is shaped like the picture below. The length of each side is shown in feet. Find the area of Mrs. Marcum's desk.
30 sq ft
This shape has two opposite sides that are 8 inches each and the other two sides are 2 inches each. What shape is this?
Rectangle
One way to find the area of a shape is by counting the unit squares.
True of False
True
When finding the area of an irregular shape, what is the first thing you have to do?
Break apart the shape into two regular shapes or two shapes with 4 sides.
Mrs. Kendel is making a model house. What is the area of the sleeping section?
64 sq inches
How many times has Ms. Braverman and Ms. Francis said to put your name on your work?
one million
How do you find area?
Length x Width
When finding the area of an irregular shape, what is the second thing you have to do?
Make sure you have the correct width and length for your new shapes.
Janet is painting a door. She needs to paint the entire door except for the window. What is the area of the part of the door that needs paint?
32 sq ft
What would be the fastest way to measure a door?
A) Feet
B) inches
C) Centimeters
Feet