Find a quick, concise explanation of how to add and subtract decimals. Step by step examples are included to help you understand how to line up the decimals points and then find the sum or difference.
Find a quick, concise explanation of the Arithmetic Properties-Associative, Commutative, and Distributive Properties. Examples are given for each property to help you understand how to recognize and apply each property.
Find a quick, concise explanation of inverse operations as in addition and subtraction, multiplication and division, and to a certain extent exponents and logarithms. Examples are given and clearly explained.
Find a quick, concise explanation of how to multiply and divide with negative numbers. An example is given and clearly explained for each.
Find a quick, concise explanation of the Order of Operations. Several examples are given to help you understand how to correctly solve a problem that has a number of different operations to perform.
Watch this tutorial to learn how to subtract complex numbers and see a great example. [3:12]
To subtract polynomials, distribute the negative sign to the second polynomial and then combine like terms. Watch this tutorial to see how it's done. [2:07]
Take a look at this instructional video to learn about one of the most fundamental properties of math, the associative property. [5:13]
SWBAT use math vocabulary to describe relationships between numbers.
Explore the relationship between addition and subtraction with this lesson. Help students understand that "every subtraction fact has a related addition number sentence, and every addition fact has a related subtraction number sentence".Lesson includes pictures and documents to help you implement the lesson.
Describes how a scalar can be multiplied to a vector and shows this using diagrams. Site also contains related links, graphs, and pictures.
This Career Clip features Paul Davis, Group Transportation Manager with Nestle Private Fleet Nationally. His best career advice was to be positive and to be persistent. Be persistent at what you want to do, what you want to achieve and at the job you perform. You need to target what you want to do and why you are working towards it: establish goals. His biggest suggestion to everyone: go after your goals daily.
Students will learn how to make number sentences for an array by walking around the classroom and writing number sentences for the different arrays the teacher hangs around the room. A video is included, along with examples of arrays, and worksheets that meet the needs of students with different levels of mastery.