Texas Education Agency
Texas Gateway: 3.2 Vector Addition and Subtraction: Graphical Methods
By the end of this section, you will be able to understand the rules of vector addition, subtraction, and multiplication and to apply graphical methods of vector addition and subtraction to determine the displacement of moving objects.
Analyze Math
Analyze Math: Vector Addition and Scalar Multiplication
Learners explore the Pre-Calculus topic of vectors. The tutorial examines vector addition, components of a vector, and scalar multiplication. Examples with detailed solutions are included.
CK-12 Foundation
Ck 12: Vector Scalar Product: Vector Multiplied by a Scalar
[Free Registration/Login may be required to access all resource tools.] Here you'll learn how to multiply a vector by a scalar, what the resulting quantity is, and how to represent it.
CK-12 Foundation
Ck 12: Scalar Projections
[Free Registration/Login may be required to access all resource tools.] Represent scalar multiplication graphically by scaling vectors and possibly reversing their direction; perform scalar multiplication component-wise.
Khan Academy
Khan Academy: Analyze Scalar Multiplication
Match vectors to images based on scalars to show that you understand scalar multiplication.
Wolfram Research
Wolfram Math World: Scalar Multiplication
Describes how a scalar can be multiplied to a vector and shows this using diagrams. Site also contains related links, graphs, and pictures.