Math Expressions Flashcard

Front

What is a constant in a mathematical expression?

Back

A constant is a fixed value that does not change. For example, in the expression 8n + 3, the constant is 3.

Front

Does the order of division by two numbers affect the result?

Back

Yes, the order of division does affect the result. For example, 10 ÷ 2 is not the same as 2 ÷ 10.

Front

What operation is indicated by the phrase 'more than'?

Back

The phrase 'more than' indicates addition. For example, 'six more than 8' means 8 + 6.

Front

In the expression 3x - 7, what is the coefficient?

Back

The coefficient is the number that multiplies the variable. In this case, the coefficient of x is 3.

Front

What does 'six more than 8' mean in mathematical terms?

Back

It means 6 + 8.

Front

What is an expression in mathematics?

Back

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

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does. For example, 2x + 3 is an expression, while 2x + 3 = 7 is an equation.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value. For example, in the expression 5x, x is the variable.

Front

What does the term 'coefficient' refer to?

Back

A coefficient is a numerical factor in a term of an expression. For example, in 4y, 4 is the coefficient.

Front

What does 'distributive property' mean?

Back

The distributive property states that a(b + c) = ab + ac. It allows you to multiply a single term by two or more terms inside a set of parentheses.