OER Commons
Oer Commons: Understanding Fractions & Decimals
Seventh graders use number lines to solve addition and subtraction problems involving positive and negative fractions and decimals.
CK-12 Foundation
Ck 12: Elem Math: Adding Decimals by Inserting Place Holding Zeros
[Free Registration/Login may be required to access all resource tools.] The mathematics resource is a video tutorial solving addition with decimals that require zero place holders to operate. Additional practice problems also include...
CK-12 Foundation
Ck 12: Elem Math: Adding Decimals Word Problems
[Free Registration/Login may be required to access all resource tools.] The resource starts with a quick video modeling the process of adding decimals in word problems. In addition to the video are practice problems with real-world...
CK-12 Foundation
Ck 12: Elem Math: Adding Decimals From the Thousandths Place to the Tens Place
[Free Registration/Login may be required to access all resource tools.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...
McGraw Hill
Glencoe: Self Check Quizzes 1 Adding and Subtracting Decimals
Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting decimals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
McGraw Hill
Glencoe: Self Check Chapter Test Adding and Subtracting Decimals
Students are assessed on decimal addition and subtraction. The self-checking test includes hints and solutions.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add Whole Numbers, Add Decimals
This website explains and defines adding whole numbers and decimals. Content explores addition with regrouping and how to align numbers in a written calculation. There are even practice problems at the end of the lesson.
CK-12 Foundation
Ck 12: Arithmetic: Commutative Property of Addition With Decimals
[Free Registration/Login may be required to access all resource tools.] Identify and apply the commutative and associative properties of addition in decimal operations
Cool Math
Coolmath: Decimals How to Add Decimals
Learn how to add decimals by lining up the decimals.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Comparison
[Free Registration/Login may be required to access all resource tools.] Compare decimals and order them from least to greatest or greatest to least.
Better Lesson
Better Lesson: Quiz: Adding, Subtracting, Multiplying, & Dividing Decimals
Assess progress in calculating with decimals.
CK-12 Foundation
Ck 12: Algebra: Inverse Property of Addition in Decimal Equations
[Free Registration/Login may be required to access all resource tools.] Identify and apply the inverse property of addition in decimal operations with expressions
Learning Wave Communications
Learning Wave: Decimals
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
The Math League
The Math League: Decimals, Whole Numbers and Exponents
This tutorial has definitions and examples of decimals, whole numbers, and exponents. In addition, a variety of topics are covered, such as comparing, multiplying and subtracting.
E-learning for Kids
E Learning for Kids: Math: Husky Sled: Fractions and Decimals
In this interactive website students practice various skills including adding fractions with common denominators, adding fractions with different denominators, adding decimals, finding equivalent fractions, and calculating averages.
E-learning for Kids
E Learning for Kids: Math: Truck Stop: Decimals
Students will play interactive learning games to practice ordering, adding, subtracting, and multiplying decimals.
Arcademics
Arcademics: Hungry Puppies Making a Number Using Decimal Division
Feed the puppies by adding decimals correctly.
Mr. Martini's Classroom
Mr. Martini's Classroom: Adding Decimals to the Tenths Place
Students add decimals on these interactive flashcards. The problem changes color when the correct sum is typed.
Mr. Martini's Classroom
Mr. Martini's Classroom: Decimal Addition Math Quiz
Learners can test their ability to add decimals using this interactive, graded quiz.
AAA Math
Aaa Math: Addition of Decimal Tenths
Students can practice adding decimal numbers in the tenths place through a series of self-check exercises and timed learning games.
CK-12 Foundation
Ck 12: Elem Math: Decimal Multiplication and Addition Word Problems
[Free Registration/Login may be required to access all resource tools.] For this learning module, students are asked to solve word problems that involve the multiplication and addition of decimals. Includes video demonstrating a sample...
Scholastic
Scholastic: Study Jams! Math: Adding and Subtracting Decimals
Explore how to add and subtract decimals with this interactive lesson. Then test your knowledge with a quick quiz.
Khan Academy
Khan Academy: Adding Decimals: Thousandths
In this exercise, students practice adding decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Adding Decimals 0.5
In this exercise, students practice adding decimals 0.5. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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