Writing Expressions

Front

What is the expression for half of the sum of x and y?

Back

(x+y)/2

Front

How do you express six less than a number k?

Back

k - 6

Front

What is the expression for three times the difference of a number and 7?

Back

3(x - 7)

Front

How do you express three-sixths of a number x?

Back

(3/6)x or (1/2)x

Front

What is the expression for ten more than three times a number?

Back

3m + 10

Front

Define an algebraic expression.

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.