CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition Using Front End Estimation
[Free Registration/Login may be required to access all resource tools.] Use front-end estimation to estimate decimal sums
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...
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...
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.
Arcademics
Arcademics: Hungry Puppies
Have your puppy choose the two decimals that will make the given sum when added together.
Visual Fractions
Visual Fractions: Platform Scale Addition
Weigh five little creatures on a metric scale, and add to find their total mass to the hundredths place as each one joins the group. A timer calculates your speed of computation.
Cool Math
Coolmath: Decimals How to Add Decimals
Learn how to add decimals by lining up the decimals.
Saddleback College
Algebra2go: Addition Using an Abacus Problem Sets
This resource contains three problem set for practcing addition using Abacus worksheet. Select a problem set, then select a question. Fill in the blank with the correct answer for each problem. When you have answered all of the...
Khan Academy
Khan Academy: Adding Decimals Hundredths
In this exercise, students practice adding decimals. 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.
Khan Academy
Khan Academy: Add Decimals 5
Add whole numbers, tenths, and hundredths like 60+2.57 or 5.53+3.1 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Decimals 4
Add hundredths like 0.76+0.21 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Decimals 6
Add more challenging whole numbers, tenths, and hundredths like 5.7+4.51 or 47.75+11.98. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Decimals 2
Add whole numbers and tenths like 4 + 5.7. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding Decimals: Tenths
Add two numbers that are either whole numbers or written to the tenths place value. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding Decimals: Hundredths
Add two numbers that are written to the ones, tenths, or hundredths place. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Decimals 1
Add tenths like 0.7 + 0.5. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add Decimals 3
Add larger numbers with tenths like 40.1+7.6 Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: 4.nf Adding Tenths and Hundredths
Find the sums. Aligns with 4.NF.C.5.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Jayden's Snacks
This is a simple task that checks students' understanding of decimal operations by having them do computations with money. Aligns with 6.NS.B.3.
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.
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.
Fun Brain
Fun Brain: Power Football (Decimal Game)
Four levels of play, from easy to super brain, challenge students to add, subtract, multiply, and divide decimals. Get three correct answers in a row and score a field goal.
Study Pad
Splash Learn: Add Decimals Using Models
[Free Registration/Login Required] This fun decimal addition worksheet introduces students to the world of operations with decimal numbers. Fifth graders use models to visualize the addition of numbers in the tenths and hundredths places...