NumberNut
Number Nut: Decimals
Do you know what a decimal is and how it is related to fractions? Find out and practice your skills playing the related interactive games.
PBS
Pbs Learning Media: Several Short Rails Make More Than a Whole
In this video segment from Cyberchase, Hacker has sabotaged another section of the Madre Bonita Express track; Digit gets help from Deci in adding decimals to find the right size rail that will repair the track.
Shmoop University
Shmoop: Fractions & Decimals: Adding and Subtractions Fractions
The mathematics resource explores adding and subtraction fractions. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.
PBS
Pbs Learning Media: How Far to Wells Road?
In this Cyberchase video segment, Bianca drives to visit her friend, but learns that she has incorrectly added decimal amounts, so she ends up at the wrong location.
OnlineMathLearning.com
Online Math Learning: Adding & Subtracting Positive & Negative Decimals
An interactive worksheet for practice in the addition and subtraction of decimals with positive and negative signs.
Education Place
Houghton Mifflin: Eduplace: Extra Practice Quiz Repeating Decimals 1
Practice changing various fractions to repeating decimals. Read the interactive quiz rules and then click on the "Begin" ticket. If you answer incorrectly you get one more chance to try again then you are told the correct answer. See how...
Homeschool Math
Homeschool Math: Add and Subtract Decimals: Practice Problems
This lesson contains a variety of exercises for adding and subtracting decimals with up to two decimal digits,
PBS
Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....
The Math League
The Math League: Fractions
This tutorial covers all types of fractions with simple explanations on how to work with them.
Illustrative Mathematics
Illustrative Mathematics: N Rn Sums of Rational and Irrational Numbers
The goal of this task is to examine sums and products of rational and irrational numbers. One important property of rational numbers is that their decimals always terminate or repeat: using a slightly different formulation, a rational...
Math Slice
Math Slice: Addition: Math Worksheets
This tool allows you to create worksheets where students solve addition equations at varying levels of difficulty.
Shmoop University
Shmoop: Fractions & Decimals: Adding and Subtracting Mixed Numbers
The mathematics resource explores addition and subtraction with mixed numbers. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.