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.
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.
ClassFlow
Class Flow: Decimals Addition Subtraction
[Free Registration/Login Required] In this lesson students will add decimals to the tenths and hundredths place after first learning to line up the decimal. There is also an Activote session integrated into this flipchart.
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...
Texas Education Agency
Texas Gateway: Solving Problems That Include Fractions and Decimals
Given problem situations, the student will use addition, subtraction, multiplication, and division to solve problems involving positive and negative fractions and 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.
Khan Academy
Khan Academy: One Step Addition & Subtraction Equations: Fractions & Decimals
Practice solving equations in one step by adding or subtracting a number from both sides. These problems involve decimals and fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
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.
Varsity Tutors
Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets
Create customized decimal subtraction worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can...
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.
Lesson Tutor
Lesson Tutor: Addition and Subtraction of Decimals
This site is an online lesson plan and practice problems for students learning how to add and subtract two decimal values are provided here. Detailed explanation of both the methods and the practice questions are provided for easy...
Study Pad
Splash Learn: Decimal Arithmetic
[Free Registration/Login Required] This game provides practice in decimal arithmetic including addition, subtraction, multiplication, and division of decimals.
PBS
Pbs Learning Media: Math + Arts: Jack & the Giants: Jack Spends His Pay
For this lesson, students will create and solve word problems involving money (addition, subtraction, multiplication, and division of decimals), and develop a script for a short scene and perform it using the elements of performance....
Better Lesson
Better Lesson: Adding and Subtracting With Decimals
Sixth graders fluently add and subtract money with decimals using the standard algorithm.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition
[Free Registration/Login may be required to access all resource tools.] Find sums of decimals by adding vertically.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition
[Free Registration/Login may be required to access all resource tools.] Add decimals with and without rounding
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.
Math Aids
Math Aids: Decimals Worksheets
Great resource to practice and strengthen math skills pertaining to decimals. Math worksheets are printable, may be customized, and include answer keys.
Khan Academy
Khan Academy: One Step Addition and Subtraction Equations With Fractions and Dec
In this exercise, students practice one-step addition and subtraction equations with fractions and decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Mangahigh
Mangahigh: Number: Addition and Subtraction of Decimals
Test your knowledge of addition and subtraction of decimals.
Khan Academy
Khan Academy: Estimating With Adding Decimals
For example, estimate 12.93 + 6.1 to be 19. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Fracciones, Decimals Y Porcentajes
In Spanish. Interactive activity to help with the understanding of fraction, operation with fractions, converting fractions to decimals and percentages.
Math Slice
Basic Math: Subtraction
This resource covers basic addition where students can choose a range of numbers including negatives or even decimals. After selecting parameters students are timed completing ten problems with instant feedback and an opportunity to...