Order of Operations
Grade 5 · Math · Division Strategies · New Mexico, USA
Lesson Summary
Follow the correct order of steps when a math problem has more than one operation.
Explanation
When a problem has addition, subtraction, multiplication, and division all mixed together, you need to do them in the right order. First, solve anything inside parentheses. Next, handle multiplication and division from left to right. Finally, do addition and subtraction from left to right. A helpful way to remember is the phrase 'Please Excuse My Dear Aunt Sally' for Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.
Practice Questions
Q1: Solve: 3 + 4 x 2.
Answer: 11. Multiply first: 4 x 2 = 8. Then add: 3 + 8 = 11.
Q2: Solve: (6 + 2) x 5.
Answer: 40. Parentheses first: 6 + 2 = 8. Then multiply: 8 x 5 = 40.
Q3: Solve: 20 - 3 x 4 + 1.
Answer: 9. Multiply first: 3 x 4 = 12. Then work left to right: 20 - 12 + 1 = 9.
People Also Ask
What is Order of Operations in Grade 5 Math?+
Order of Operations is a lesson in the Division Strategies chapter of Grade 5 Math. It is part of the New Mexico, USA school curriculum and covers key concepts that students need to understand at this level.
What grade level covers Order of Operations?+
Order of Operations is taught in Grade 5 as part of the Math curriculum in New Mexico, USA.
How can I help my child with Division Strategies in Math?+
Start with the lesson summary and explanation on this page. Practice the questions provided, then use TutorTom for personalized, step-by-step help with Division Strategies topics.