DOL 12.18.24

Front

What is the expression to calculate the change a customer should receive when paying with $50 if their total is $43?

Back

50 - 43 = $7

Front

What does the expression 50 - (14 + 12 + 2(5) + 2(2) + 3) represent?

Back

It represents the amount of change a customer should receive after making a purchase totaling $43.

Front

What is the value of the expression 8 - (-3) + 33 ÷ (-3)?

Back

The value is -22.

Front

What is the result of the expression -5 · 2 - 12?

Back

The result is -22.

Front

How do you simplify the expression 2(5) + 2(2) + 3?

Back

First, calculate 2(5) = 10, 2(2) = 4, then add: 10 + 4 + 3 = 17.

Front

What is the first step in solving the expression 50 - (14 + 12 + 2(5) + 2(2) + 3)?

Back

Calculate the total inside the parentheses: 14 + 12 + 10 + 4 + 3 = 43.

Front

What is the definition of an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What does the term 'evaluate' mean in mathematics?

Back

To evaluate means to calculate the value of an expression.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.

Front

What is the result of the expression -6 · 2 - (-15)?

Back

The result is 3.