6th Grade Expressions Flashcard Review

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform any operations to reduce it to its simplest form.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an expression, usually placed in front of a variable.

Front

What is a constant in an expression?

Back

A constant is a fixed value that does not change, represented by a number without a variable.

Front

How do you factor an expression?

Back

Factoring an expression involves rewriting it as a product of its factors, often by finding the greatest common factor.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Front

What does it mean to combine like terms?

Back

Combining like terms means to add or subtract terms that have the same variable raised to the same power.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign and represents a value, while an equation states that two expressions are equal.

Front

What is the result of simplifying 6x + 3x?

Back

The result is 9x, as you combine the like terms.

Front

What is the expression for '4 less than twice a number c'?

Back

The expression is 2c - 4.