CPO Science
Science Worksheets
If you need an array of worksheets to augment your science lessons, peruse a collection of assignments that is sure to fit your needs. With topics such as metric conversion, the scientific method, textbook features, research skills,...
Cool Math
Coolmath: Coolmath4kids: Multiplication: Equal Groups
Uses visual models to explain what multiplication is and includes sample problems to try.
Khan Academy
Khan Academy: Intro to Commutative Property of Multiplication
Explains what the commutative property of multiplication is and how to use it. Includes examples and practice problems throughout, along with explanations of solutions.