Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Multiplication: Mental Calculation
If you are looking for a website that explains and defines the basics of mental multiplication with helpful hints then you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
Khan Academy
Khan Academy: Praxis Core Math: Algebraic Properties Lesson
Goes over the properties that apply to algebraic expressions and equations. Includes examples and practice questions.
E-learning for Kids
E Learning for Kids: Math: Soccer Stadium: Changing Numbers
On this interactive website students practice various math skills using a real life scenario on a soccer field. Those skills include creating numbers for a number pattern, creating patterns using manipulatives, and using diagrams to...
Math Is Fun
Math Is Fun: Associative, Commutative and Distributive Laws
The tutorial examines the associative, commutative, and distributive laws. The resource consists of detailed examples and explanations.