Operations and Expressions

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
7378 views | 1 rating
Meets NCTM Standards:
Lesson Summary:

In this video on Operations and Expressions, Julie Harland covers the basics of arithmetic operations and vocabulary. She explains the conventions for simplifying expressions with only one operation, whether it is addition, subtraction, multiplication, or division. Through this lesson, viewers learn the difference between expressions and equations, constants and variables, and natural and whole numbers. Julie also teaches the formal terms for the answer when you add, subtract, multiply, or divide. This lesson is essential for anyone seeking to learn pre-algebra or looking to brush up on their arithmetic skills.

Lesson Description:

Part of a series of Mathematics videos starting with prealgebra. Covers basics of arithmetic operations, and basic vocabulary, as well as conventions for evaluating expressions with only one operation.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • What are the definitions of arithmetic operations, expression, equation, constant, variable, sum, difference, product, quotient, equation, natural (counting) numbers, and whole numbers?
  • How do you simplify an expression with one operation?
  • How do you simplify 10 - 8 - 2?
  • What are some examples of an arithmetic expression?
  • What is the difference between an expression and an equation?
  • What are some examples of equations?
  • What are some examples of constants?
  • What are some examples of variables?
  • What is the difference between a variable and an expression?
  • What are some examples of natural or counting numbers?
  • What are whole numbers and what is the difference between natural numbers and whole numbers?
  • How do you find the sum of 8 + 1 + 3 + 10?
  • How do you find the difference 29 - 14 - 3?
  • How do you simplify 3 * 5 * 4?
  • How do you simplify 100 / 5 / 5?
  • Staff Review

    • Currently 4.0/5 Stars.
    This lesson will teach you basic vocabulary involved in basic / pre-Algebra math. Several different math terms are defined and discussed with examples given for each term. This is a great starting point for learning vocabulary terms or understanding them better. There are also some basic simplifying expressions with one operation in them at the end of the video.