Middle School Academics

1. Terms from Chapter 8

2. Perfect Square
•Squares of whole
numbers

3. Square root
• One of two equal factors of a
number. If a squared equals b
then a is the square root of b.
The square root of 144 is 12
because 12 squared is 144.

4. Radical Sign
•The sign used to
represent a
nonnegative square
root.

5. Principle Square Root
•A nonnegative
square root

6. Irrational Number
•Numbers that
cannot be
expressed as a/b.

7. Real Number
•Irrational numbers
together with rational
numbers to form the
set of all numbers.

8. Natural Numbers
•1, 2, 3, 4...

9. Whole Numbers
•0, 1, 2, 3, 4, 5...

10. Integers
•The whole numbers
and their opposites.
•...-3, -2, -1, 0, 1, 2, 3...

11. Rational Numbers
•Any number that can
be expressed in the
form a/b where a and b
are integers and b is
not equal to 0.

12. Study all these
terms for next
QUIZ!