CK-12 Foundation
Ck 12: Arithmetic: Whole Number Addition
[Free Registration/Login may be required to access all resource tools.] Write and solve vertical addition problems with whole numbers.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Sums and Differences to 10
A guide to support parents as they work with their students in sums and differences to 10.
AAA Math
Aaa Math: Addition of Decimals
This lesson explains how to add decimals of the tenths place value. Gives practice and games to work on this skill.
Mr. Martini's Classroom
Mr. Martini's Classroom: Adding 4 Numbers
Students practice adding four one-digit numbers. They can select the largest addend for each problem.
Mr. Martini's Classroom
Mr. Martini's Classroom: Addition Flashcards
Students can practice addition facts with these interactive flashcards. The problem changes color when the correct sum is typed.
Mr. Martini's Classroom
Mr. Martini's Classroom: Addition Cards, Fill in the Blank
Students fill in the blank with the correct number to solve the addition problems. The problem changes color when the correct number is typed.
Quia
Quia: Adding to 10
This website for young children gives them practice adding sums to 10. Problems are presented as teddy bears to add up with the corresponding digits that represent the problem symbolically.
Math Slice
Math Slice Fast Sum
This resource is a set of ten timed practice problems where parameters are selected for the sum and the range of addends. The sum and one addend are given and students determine the missing number to create the sum. Instant feedback and...
Other
Project Happy Child: Free Addition Worksheets
2000 basic addition worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
ClassFlow
Class Flow: Missing Addends
[Free Registration/Login Required] In this flipchart students will either count up and/or use a hundreds chart to determine a missing addend.
Visual Fractions
Visual Fractions: Addition of Like Fractions With Number Line Models
Test your aptitude at adding fractions on a number line. Enhance your skills using this interactive math game. Immediate feedback and examples provided.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Distributive Property Illustrated
This is part of a math forum at Drexel University. A student gets frustrated when asked to solve a problem using the distributive property. Never fear. Dr. Math to the rescue! Illustrations and detailed examples help provide...
Visual Fractions
Visual Fractions: Addition of Like Fractions With Circle Models
Brush up on your fraction addition skills with this interactive game. Practice adding fractions and mixed numbers with common denominators. Don't worry! If you need a little assistance, examples and explanations are included.
Math2
Math2.org: Basic Algebraic Identities
The basic identities and properties of addition and multiplication are listed. No explanation, simply the identities.
Quia
Quia: Addition Concentration Sums 10 to 18
This website for young children gives them practice adding sums from 10 to 18 in a concentration game type format.
Quia
Quia: Addition Flashcards Sums 0 to 9
This website for young children gives them practice adding sums from 0 to 9 in a flashcard type format.
Quia
Quia: Addition Concentration Sums 0 to 9
This website for young children gives them practice adding sums from 0 to 9 in a concentration game type format.