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Squares and Square Roots
Συνεισφορά από: Math
Write your vocabulary words in your notes.
Perfect squares and 
square roots.
Perfect squares like 9, 16, 225 are squares of 
The
Positive or 
Any number that can NOT be written as 
is a perfect square.
whole
?
product
?
is an irrational number.
negative 
?
numbers.
of a number and
whole numbers.
itself
?
fraction
?
Find the square of 5.
x
=
25
25 sq units
5 units
5 units
Find the square of 8.
x
=
64
Find the square of 3.
The square root of 9 is 3.
x
√9 = 3
=
9
What number times itself is 16?
MUST BE THE SAME NUMBER
x
Find
=
16
16
What number times itself is 121?
MUST BE THE SAME NUMBER
x
Find
=
121
121
What number times itself is 36?
MUST BE THE SAME NUMBER
x
Find
=
36
36
10x10 = 100
8x8 = 64
9x9 = 81
4x4 = 16
7x7 = 49
1x1 = 1

2x2 = 4
3x3 = 9
5x5 = 25
6x6 = 36
11x11 = 121
12x12 = 144
13x13 = 169
14x14 = 196
15x15 = 225
16x16 = 256
17x17 = 289
18x18 = 324
19x19 = 361
20x20 = 400
121
289
=
=
=
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