Perfect Squares
1 x 1 =?
What is 1?
12 x 12 =?
What is 144?
√25?
5
If a box's area is 16m2, what is the side length?
4m
4 x 4 = ?
What is 16?
52 = ?
What is 25?
√36 = ?
6
Is 20 a perfect square? Explain
No. 20 is not a perfect square, so the square root of 20 would be a decimal (irrational) number.
6 x 6
What is 36?
112=?
What is 121?
√81
9
Which of the following numbers are perfect squares?
16, 9, 18, 1, 121, 13
16, 9, 1, 121
10 x 10 = ?
What is 100?
122 = 169
True or False
Explain.
False
122 is 144
√64
8
If a farmer plants 36 crops in a perfect square, how many crops are in each row and each column?
The farmer plants 6 crops in each row and each column.
132 = ?
What is 169
1 is a perfect square.
True. 1 x 1 = 1
√169
13
Define the relationship between a perfect square and its square root.
The square root (side length) of a number is the number that multiplies by itself to get the perfect square (area) of the number.