Perfect Square
Is 25 a perfect square?
Yes
What is the square of 5?
25
What is the square root of 9?
3
Estimate the square root of 11
3
The product of a number and itself is the ...
square
Is 20 a perfect square?
No
What is the square of 10?
100
What is the square root of 36?
6
Estimate the square of 35.
6
Numbers that are squares of whole numbers are called ...
perfect squares
Is 225 a perfect square?
Yes
What is the square of 15?
225
What is the square of 144?
12
Estimate the square root of 117
11
the factors multiplied to form perfect squares (or the opposite of a square) are called ...
square roots
No
What is the square of 20?
What is the square root of 169?
13
Estimate the square root of 409.
20
What is the number in a sequence called?
term
Why is 21 not a perfect square?
Because the square root of 21 is not a whole number
What exponent is used when writing a number squared?
2
What is the symbol called for taking the square root of a number
Radical Sign
True or False: the square root of 2 is a rational number
False, the square root of two cannot be turned into a fraction
What is an irrational number?
A number that cannot be expressed as a fraction.