In grades 6-8, all students will work flexibly with fractions, decimals, and percents to solve problems.
7.NS.1. Apply and extend previous understandings of addition and subtraction to add and subtract rational numbers; represent addition and subtraction on a horizontal or vertical number line diagram.
The “Fraction Game” at the Illuminations website allows students to practice working with relationships among fractions and ways of combining fractions. I believe it is effective in showing relationships between fractions as it gives a great visual for students. Looking at this particular game, technology does not necessarily give students more because you could effectively do the same thing using manipulatives which may be more useful for some students. The benefit of the online game is that the app can give assistance and correct answers. The classroom I work in has several fraction games that would reinforce the same idea. In teaching this lesson I would likely use many tools including this online game, but also bringing out many other tools and visual examples to allow students many ways to access the content.
Fractions are such a nightmare for most students. By grade 7 and 8, it wouldn't surprise me of over 50% still significantly struggle with the basics taught many years earlier. So, wherein lies the problem? I like your suggestion of using a wide variety of hands-on manipulatives. One definitely does not want to use technology just to repeat something that can already be done in other ways, and especially if it doesn't contribute to improving learning. Seeking that balance, understanding the challenge, and seeking ways that technology can truly enhance learning is the goal.
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