# Operations on Numbers - Part 3

Taught by videomathtutor
• Currently 4.0/5 Stars.
6391 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Summary:

In this lesson, we learn about the typical operations done on numbers, including absolute value, opposites, addition, subtraction, multiplication, division, and simple exponents. The Order of Operations is covered in detail, with grouping symbols being evaluated first, followed by exponents, multiplication/division from left to right, and finally addition/subtraction from left to right. The acronym PEMDAS is used to remember the order of operations, which stands for parentheses, exponents, multiplication, division, addition, and subtraction. The lesson also explains how to use a graphing calculator to help perform these operations.

Lesson Description:

This lesson consists of providing you with a Self-Tutorial on the typical operations done on numbers. These include: absolute value, opposites, addition, subtraction, multiplication, division and simple exponents. Order of Operations is covered in detail. I also explain how to use your graphing calculator to help you perform all these operations.

Questions answered by this video:
• What is the order of operations?
• How do you use the order of operations?
• What are grouping symbols?
• How do you use grouping symbols?
• How do you do order of operations problems on a graphing calculator?
• #### Staff Review

• Currently 4.0/5 Stars.
If you're having any trouble following the rules of order of operations, watch this video. Many examples are covered, and grouping symbols are covered in depth. Great for any level student learning about or reviewing order of operations!