Writing Expressions Review

Front

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

Back

y - 3

Front

Write an expression to represent: "the product of 2 and a number, increased by 1"

Back

2n + 1

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: "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

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 an unknown value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers and variables without an equality sign, while an equation states that two expressions are equal.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a number by a sum.