Unit 3: Expressions Unit Test Review

Front

Evaluate when a = 15: 2(a - 5) + 2

Back

22

Front

Ben had "x" dollars. Cam has 7 fewer dollars than Ben. How much money does Cam have? Write your answer as an expression.

Back

x - 7

Front

Translate this phrase into an algebraic expression: The difference of a number and 22. Use the variable t to represent the unknown number.

Back

t - 22

Front

Translate this phrase into an algebraic expression: 5 less than a number. Use the variable v to represent the unknown number.

Back

v - 5

Front

Simplify by combining like terms: 5a + 2b - 3a + 4

Back

2a + 2b + 4

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 simplify an expression?

Back

To reduce it to its simplest form by combining like terms.

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

Translate this phrase into an algebraic expression: The sum of a number and 10. Use the variable x.

Back

x + 10