Fact # Fact Media
1 A squared number is a number that is multiplied by itself.  
2 3 squared is written 32.  
3 12 is called one squared.  
4 The value of 22 is 2 x 2 which equals 4.
2 squared may be pictured as a square with 2 blocks on each side		 Has Media
5 The value of 32 is 3 x 3 which equals 9.
3 squared can be pictured as a square with 3 blocks on each side. 		Has Media
6 The value of 42 is 4 x 4 which equals 16.
4 squared can be pictured it as a square with 4 blocks on each side.		 Has Media
7 The number that results from squaring another number is called a perfect square, examples are, 1, 4, 9, 16, and 25.  
8 02 = 0  
9 12 = 1  
10 22 = 4  
11 32 = 9  
12 42 = 16  
13 52 = 25  
14 A square root is a number that when multiplied by itself gives another number. Has Media
15 The square root of 9 is 3. Has Media
16 The square root of 16 is 4. Has Media
17 The square root of 0 is 0.  
18 The square root of 1 is 1.  
19 The square root of 4 is 2.  
20 The square root of 9 is 3.  
21 The square root of 16 is 4.  
22 The square root of 25 is 5.  
23 62 = 36  
24 72 = 49  
25 82 = 64  
26 92 = 81  
27 102 = 100  
28 Square root of 36 is 6.  
29 Square root of 49 is 7.  
30 Square root of 64 is 8.  
31 Square root of 81 is 9.  
32 Square root of 100 is 10.  
33 112 = 121  
34 122 = 144  
35 132 = 169  
36 142 = 196  
37 152 = 225  
38 Square root of 121 is 11.  
39 Square root of 144 is 12.  
40 Square root of 169 is 13.  
41 Square root of 196 is 14.  
42 Square root of 225 is 15.  
43 162 = 256  
44 172 = 289  
45 182 = 324  
46 192 = 361  
47 202 = 400  
48 Square root of 256 is 16.  
49 Square root of 289 is 17.  
50 Square root of 324 is 18.  
51 Square root of 361 is 19.  
52 Square root of 400 is 20.