7th Review 12/9/24

Front

What is the definition of a fraction?

Back

A fraction is a way to represent a part of a whole, expressed as a ratio of two integers, where the top number is the numerator and the bottom number is the denominator.

Front

What is the formula for calculating the area of a rectangle?

Back

Area = length × width.

Front

What is the difference between a prime number and a composite number?

Back

A prime number has exactly two distinct positive divisors: 1 and itself. A composite number has more than two positive divisors.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): a² + b² = c².

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

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), often abbreviated as PEMDAS.

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions and equations.

Front

What is the definition of a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

What is the formula for the volume of a rectangular prism?

Back

Volume = length × width × height.

Front

What is the definition of a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, represented with a decimal point.