Perfect Squares and Square Roots: 1-20
1 squared
1
10 squared
100
11 squared
121
12 squared
144
4 squared
16
13 squared
169
14 squared
196
15 squared
225
5 squared
25
16 squared
256
17 squared
289
18 squared
324
6 squared
36
19 squared
361
2 squared
4
20 squared
400
7 squared
49
8 squared
64
9 squared
81
3 squared
9
√1
positive or negative 1
√100
positive or negative 10
√121
positive or negative 11
√144
positive or negative 12
√169
positive or negative 13
√196
positive or negative 14
√225
positive or negative 15
√256
positive or negative 16
√289
positive or negative 17
√324
positive or negative 18
√361
positive or negative 19
√4
positive or negative 2
√400
positive or negative 20
√9
positive or negative 3
√16
positive or negative 4
√25
positive or negative 5
√36
positive or negative 6
√49
positive or negative 7
√64
positive or negative 8
√81
positive or negative 9
