8th Grade Math Semester Exam Review

Front

What is π (Pi)?

Back

π (Pi) is an irrational number approximately equal to 3.141592654, which cannot be expressed as a fraction.

Front

What does the (E) in PEMDAS stand for?

Back

The (E) in PEMDAS stands for Exponents.

Front

What are Rational Numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.

Front

What is the formula for slope?

Back

The formula for slope is (y2 - y1) / (x2 - x1).

Front

What is the value of any non-zero number raised to the power of 0?

Back

The value of any non-zero number raised to the power of 0 is 1.

Front

What are Irrational Numbers?

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction, and their decimal representation goes on forever without repeating.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), abbreviated as PEMDAS.

Front

What is the difference between Natural Numbers and Whole Numbers?

Back

Natural numbers are positive integers (1, 2, 3, ...), while whole numbers include all natural numbers plus zero (0, 1, 2, 3, ...).

Front

What is the definition of an Integer?

Back

Integers are whole numbers that can be positive, negative, or zero, but do not include fractions or decimals.

Front

How do you calculate the area of a rectangle?

Back

The area of a rectangle is calculated by multiplying its length by its width (Area = length × width).