Test review Math 7

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

Translate the phrase '2 less than a number' into an algebraic expression.

Back

b - 2

Front

What is the quotient of a number n and 16?

Back

16 ÷ n

Front

Translate the phrase '57 more than 3 times Kate's score' using g for Kate's score.

Back

3g + 57

Front

Back

20

Front

Back

10n - 13

Front

What does it mean to evaluate an expression?

Back

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

Front

What is a variable in algebra?

Back

A variable is a symbol, often a letter, that represents an unknown value in mathematical expressions and equations.

Front

What is the difference between an equation and an expression?

Back

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

Front

Translate the phrase 'the sum of a number and 5' into an algebraic expression.

Back

x + 5