Number Nut (http://www.numbernut.com/index.html) is an interactive math textbook, there are multiple pages for each math concept and each page is followed by two interactive practice areas. Topics on Number Nut include shapes, color, numbers, counting, addition, subtraction, multiplication, division, order of operations, date, time, fractions, decimals, percent values, estimation, rounding, ratios, and money math. The site is standard aligned and has an exceptional math glossary. Number nut is an excellent alternative to math textbooks because students get immediate feed back as they practice a skill they have just learned. With traditional math textbooks, a student doesn’t know if they understand a concept until they turn in their math worksheet or test and get it back a few days later full of red marks. Often they will not go back and re-practice unless they are required to. This site is ideal in a computer lab setting where each student can work at his or her own pace.
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