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...
Curated OER
More Complex Fraction Problems
If your fifth graders have mastered fractions, push them to the next level! They multiply fractions by whole numbers and decimals (in the form of money math). The activity provides space for pupils to write out their work, based on two...
Gecko Mathematics
Gecko Mathematics: Multiplying Unit Fractions
Make learning visible! Have your mathematicians follow along as you use paper strips to demonstrate the concept of multiplying unit fractions. Then, offer a different way of solving the problem using a number line. Finally, introduce the...
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: Numerator
Find a quick, concise explanation of a numerator. An example is given and clearly explained.