8th Grade - Mathematics:

Miscellaneous - Rational Numbers

 

Adding and Subtracting Integers with Chips Use this “gizmo” to figure out the answer to basic addition and subtraction problems involving integers
All About Fractions Need to brush up on fraction concepts? Check out this informative site
Decimals Review Review your decimal skills here!
Divisibility Rules How can you tell if a number is divisible by 2, 3, 4, 5, 6, 8, 9, 10, 12, or 15?  Learn and practice the divisibility rules on this site
Fraction Bars Use this manipulative to model and compare various fractions and to find equivalent fractions.
Fraction-Decimal Scale Use this manipulative to compare fraction and decimal quantities or find equivalent fractions and decimals.
Fraction-Percent Scale Use this manipulative to compare fractions and percents of find equivalent fractions and percents.
Fraction Model III Check out this applet that helps you visualize fractions with just about any numerator and denominator.  It also displays the percent and decimal equivalent
Fraction Scale Use this manipulative to compare fractions or find equivalent fractions.
Math Goodies Percents Informative tutorial site with lots of examples on percents – also includes interactive practice and links to more lessons
Math Goodies Integers Informative site with lots of examples on integers – also includes interactive practice and links to more lessons
Number Jump Practice moving in a negative and positive direction on a number line with this fun Math Doodle
Visualize Equivalent Fractions Use this visual model of fractions to find a common denominator and make equivalent fractions. Then find a fraction between the two given fractions.
Visualize Percents Need to check the answer to a percent problem? Try this applet

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