7th Grade Math Review

Front

What are integers?

Back

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

Front

What is a variable in mathematics?

Back

A variable is a letter that represents an unknown number.

Front

What is the first step to solve the equation -11 + 3x = 12?

Back

Add 11 to both sides.

Front

What are rational numbers?

Back

Rational numbers include integers, fractions, and both terminating and repeating decimals.

Front

Convert the improper fraction 14/3 to a mixed number.

Back

4 2/3.

Front

What is the definition of a fraction?

Back

A fraction represents a part of a whole and consists of a numerator and a denominator.

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 the definition of a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the formula for the area of a rectangle?

Back

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

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.