Order of Operations and Word Problems

Front

What is the Order of Operations?

Back

The Order of Operations is a set of rules that tells you the correct sequence to evaluate a mathematical expression. The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

Front

What does PEMDAS stand for?

Back

PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. It is the order in which operations should be performed in a mathematical expression.

Front

How do you write 30,150 in words?

Back

Thirty thousand one hundred and fifty.

Front

What is the result of 8 ÷ 8 + 6 × 2?

Back

13.

Front

If Katie had 4 math problems and spent 8 minutes on each, plus 7 minutes checking, how much time did she spend?

Back

39 minutes.

Front

What operation comes first in (8x7-6)÷30 and why?

Back

Multiplication, because it is inside the parenthesis.

Front

If Mike had 15 video games and 9 weren't working, how much could he earn selling the working ones for $5 each?

Back

$30.

Front

What is a word problem in mathematics?

Back

A word problem is a mathematical problem that is presented in the form of a story or real-life scenario, requiring interpretation and problem-solving.

Front

What is the purpose of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

What is the difference between multiplication and division?

Back

Multiplication is combining equal groups, while division is splitting into equal parts or groups.