Expressions and Equations Review

Front

Translate: Five more than a number

Back

x + 5

Front

Translate: Eleven more than Brittany's age is 34

Back

b + 11 = 34

Front

Which of the following expressions is equivalent to a + a + b + b + b?

Back

2a + 3b

Front

Evaluate 3x - 7 if x = 12

Back

29

Front

When solving 234 + N = 389, what operation would you use to find the answer?

Back

Subtraction

Front

What is an expression?

Back

A combination of numbers, variables, and operators (like + and -) without an equals sign.

Front

What is an equation?

Back

A mathematical statement that two expressions are equal, containing an equals sign.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting numbers for variables.

Front

What is a variable?

Back

A symbol (often a letter) that represents a number in an expression or equation.

Front

What is the distributive property?

Back

a(b + c) = ab + ac; it allows you to multiply a number by a sum.