DOL 12.18.24

Front

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

Back

The value is -22.

Front

What is the value of the expression: –3 + (–2) – (–8) – 1?

Back

The value is 2.

Front

What is the value of the expression: –6 · 2 – (–15)?

Back

The value is 3.

Front

What is the value of the expression: –5 · 2 – 12?

Back

The value is -22.

Front

How do you calculate change from a $50 payment if the total cost is 14 + 12 + 2(5) + 2(2) + 3?

Back

Calculate the total cost first, then subtract from 50.

Front

What is the total cost in the previous question?

Back

The total cost is $43.

Front

What is the change received when paying $50 for a total cost of $43?

Back

The change received is $7.

Front

What does the term 'expression' mean in mathematics?

Back

An expression is a combination of numbers, variables, and operators without an equality sign.

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

What is the order of operations in mathematics?

Back

The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).