Question

Number & Number Sense *NO CALCULATOR*
Examples: Perfect Squares



1 because 1x1 = 1



4 because 2x2 = 4



9 because 3x3 = 9



16 because 4x4 = 16



If you continue this pattern of multiplying a whole number by itself you can generate a list of all of the perfect squares.

Perfect Square
Square Root
Justification
1 "x" 1 equals 1
2 "x" 2 equals 4
3 "x" 3 equals 9
4 "x" 4 equals 16
PRACTICE: Complete the table. Justify your reasoning.

Perfect Square
Square Root
Justification
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Answer 1

Here is the completed table for the perfect squares and their justifications:

| Perfect Square | Square Root | Justification |
|----------------|-------------|-----------------------------------|
| 25 | 5 | 5 "x" 5 equals 25 |
| 36 | 6 | 6 "x" 6 equals 36 |
| 49 | 7 | 7 "x" 7 equals 49 |
| 64 | 8 | 8 "x" 8 equals 64 |
| 81 | 9 | 9 "x" 9 equals 81 |
| 100 | 10 | 10 "x" 10 equals 100 |
| 121 | 11 | 11 "x" 11 equals 121 |
| 144 | 12 | 12 "x" 12 equals 144 |
| 169 | 13 | 13 "x" 13 equals 169 |
| 196 | 14 | 14 "x" 14 equals 196 |
| 225 | 15 | 15 "x" 15 equals 225 |

Feel free to ask if you have more questions about perfect squares or any other math topics!