Equivalent-Fractions+concepts

= Online Resources = **Diffy (NLVM)** The goal in a Diffy puzzle is to find differences between the numbers on the corners of the square, working to a desired difference in the center. When working with fractions, the difference of two fractions is a fraction that can be written in many different ways and students must recognize equivalent forms. **Fraction Bars (NLVM)** Much like Cuisenaire rods, this applet places bars over a number line on which the step size can be adjusted, providing a flexible model that can be used for all four operations. **Fractions—Adding (NLVM)** Two fractions and an area model for each are given. The user must find a common denominator to rename and add the fractions. **Fractions—Rectangle Multiplication (NLVM)** An easily adjusted area model for multiplication of two fractions up to 2 x 2. You cannot set your own problems but the presentation is quite good. **Math Forum (Math Forum)** This is a part of the Math Forum website that lists interesting questions and answers on fraction computation. Be sure to examine the library to locate lots of information on mathematics. **Number Line Bars—Fractions (NLVM)** Much like Cuisenaire rods, this applet encourages students to think in a good way. Bars are placed over a number line on which the step size can be adjusted. A flexible model that can be used for all four operations.

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