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Number and Algebra »
Topic: Fractions and decimals
Adding fractions (animations)
Flash animations that show how we add fractions. Clear animated diagrams promote understanding and correct mathematical working is also demonstrated and explained. There are step-by-step explanations that can be turned off if you are presenting to a class. Free.
Dividing decimals (animations)
A set of clear animations that explain division of decimal numbers. Recurring decimals are also included.
Percentage Calculator
Percentage calculator is a web app that is used as an aid in learning / teaching percentages and fractions.
The tool can be used on the original website and customized and embedded on external websites, for example to provide an interactie element to otherwise static lessons on percentages and let children test problems as they read about them.
Reviewing Place Value (Let’s Wake Up What We Already Know!)
A fresh refresher for reviewing place value.
Reviews decimal place value and converting decimals to fractions.