Doina Popovici
Math Play: Adding Decimals Baseball Game
Play ball! Practice adding decimals by using this interactive game that allows students to try to hit the ball after every correct answer.
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.
Math Is Fun
Math Is Fun: Adding Decimals
Learn to add decimals by viewing simple steps and examples. Follow links to decimal worksheets, as well as steps for subtracting, multiplying, and dividing decimals.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Add and Subtract Decimals
Find a quick, concise explanation of how to add and subtract decimals. Step by step examples are included to help you understand how to line up the decimals points and then find the sum or difference.
Shmoop University
Shmoop: Fractions & Decimals: Adding & Subtracting Decimals
The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions are included.
Khan Academy
Khan Academy: Practice: Adding Decimals: Thousandths
Practice adding two decimal numbers from the tenths to the thousandths place.
Khan Academy
Khan Academy: Adding Decimals #6
Practice adding whole numbers and decimals up to the hundredths place. Includes hints.
Khan Academy
Khan Academy: Adding Decimals #5
Practice adding whole numbers and decimals up to the hundredths place. Includes hints.