Writing Expressions Practice

Front

A charm bracelet costs $20 for the bracelet and $2 for each charm. Which expression represents the cost of a bracelet with c charms?

Back

2c + 20

Front

Write an expression to represent '2 more than a number'.

Back

n + 2

Front

Susan buys 3 hamburgers, 2 orders of french fries, and a soda. What could the 'z' represent in her expression 3x + z + 2y?

Back

The number of calories in a soda.

Front

Write an expression to represent 'the product of 3 and x'.

Back

3x

Front

Katherine has a coupon for 15% off. Which expression represents how much she will pay if the sticker price is p?

Back

.85p

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations.

Front

Define a variable in mathematics.

Back

A symbol used to represent an unknown value.

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(b + c) = ab + ac, distributing a across the sum.