Download Square and Square Roots

Square
All sides are the same length
?
model
# of
tiles
used
1
Forms a
Square
Yes
Length of
side or
square
root
1
3
2
No
No
4
Yes
2
Notice the number of tiles is the area of that shape
How many tiles
9 to make
needed
the next square
Yes
?
3
The number of tiles that form a square are called perfect squares
# of tiles on
Square
each side
Root
1
Mathematical
Process
Total
Perfect
Tiles
Squares
1
2
1X1
2X2
3
3X3
9
5
4X4
5X5
16
25
6
6X6
36
7
49
8
7X7
8X8
9
9X9
81
4
10
10 X 10
4
64
100
Total tiles = 16
Length of one side = 4
Mathematical process 4 X 4 = 16
(Pretend all these tiles are the same size)
The square root of 16 is 4.
Written
√
16
=4
Remember
Area of
Length of one
square = side of square
25
= 5
225 = 15
49
= 7
100 =
144
= 12
75 = Between 8
and 9
10
You are NOT dividing by two

NOTES
Date ___________
Square
model
# of
tiles
used
Forms a
square
Length of
all sides or
square
root
1
2
3
4
5
6
7
8
9
10
Total tiles =
Length of one side =
Mathematical process
The square root of ___ is __.
Written
You are NOT dividing by two