6.AF.1 Variables ILEARN Checkpoint 2 Review

Front

What is a variable in mathematics?

Back

A symbol, often a letter, that represents a number in mathematical expressions or equations.

Front

Define 'expression' in mathematics.

Back

A combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What does 'product' mean in math?

Back

The result of multiplying two or more numbers together.

Front

What does 'difference' mean in math?

Back

The result of subtracting one number from another.

Front

How do you represent '7 less than a number n'?

Back

n - 7.

Front

What is the expression for 'the product of 2 and a number n'?

Back

2n.

Front

What is the expression for 'the product of x raised to the second power and the difference of x and 14'?

Back

x^2(x - 14).

Front

How do you calculate the total cost if a movie theater charges $200 to rent a room and $7 per person for p people?

Back

Total cost = 200 + 7p.

Front

If p = 18, what is the total cost for renting the party room?

Back

$326.

Front

What is the expression that models the total earnings of a baker selling muffins and cookies?

Back

(3.5m + 2c) - 55.