Writing Expressions Practice

Front

Write an expression to represent "3 less than a number y"

Back

y - 3

Front

Write an expression to represent: "the sum of twice a number and 7"

Back

2n + 7

Front

Write an expression to represent "the quotient of z and -2"

Back

z ÷ (-2)

Front

Sally has n nickels and q quarters. What is the value of the money she has, in cents?

Back

5n + 25q

Front

Write an expression to represent: "-4 increased by the sum of 7 and a number"

Back

-4 + (7 + n)

Front

Define a variable in an expression.

Back

A symbol used to represent an unknown value, often denoted by letters like x, y, or n.

Front

What is an algebraic expression?

Back

A mathematical phrase that can include numbers, variables, and operation symbols.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of an expression by substituting variables with numbers.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

What is the distributive property?

Back

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