How do you find the square root of a number?
- HL Tutoring Services
- Dec 7, 2017
- 2 min read
Updated: 5 hours ago
How do you find the square root of a number? Read on to find out more...
To square a number you multiply the number by itself.
To find the square root of a number you do the opposite. Think of the square root as the number used to make the square.
The definition of a square root:
A number that when multiplied by itself produces the given number.
It is a really good idea to learn square numbers and the square root of numbers as you would multiplication and the corresponding division facts. Continue the pattern below:
1 squared 1 x 1 = 1 The square root of 1 = 1
2 squared 2 x 2 = 4 The square root of 4 = 2
3 squared 3 x 3 = 9 The square root of 9 = 3
4 squared 4 x 4 = 16 The square root of 16 = 4
5 squared 5 x 5 = 25 The square root of 25 = 5
6 squared 6 x 6 = 36 The square root of 36 =
7 squared 7 x 7 = The square root of 49 = 7
8 squared 8 x 8 = The square root of 64 = 8
9 squared 9 x 9 = The square root of 81 = 9
10 squared 10 x 10 = The square root of 100 = 10
11 squared 11 x 11 = The square root of 121 = 11
12 squared 12 x 12 = The square root of 144 = 12
If this is tricky for you, experiment with squared paper. Alternatively, get in touch with HL Tutoring Services today!
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