PHET
Area Model Decimals
Area works with decimals too. Pupils use the interactive to model multiplication of two decimals using an area model. They see how the decomposed components of the factors obtain partial products and then the complete product. Using area...
Khan Academy
Khan Academy: Practice: Dividing Whole Numbers by Unit Fractions
Practice dividing a whole number by a unit fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Multiplying Fractions by Fractions
Find a quick, concise explanation of how to multiply a fraction by a fraction. An example is given and clearly explained.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Multiplying Fractions by Integers
Find a quick, concise explanation of how to multiply a fraction times an integer. An example is given and clearly explained.