Whiteboard
ClassFlow

Class Flow: Decimals Addition Subtraction

For Teachers 4th - 6th Standards
[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.
Unit Plan
Lesson Tutor

Lesson Tutor: Addition and Subtraction of Decimals

For Students 4th - 6th Standards
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...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Street Orchestra: Decimals

For Students 5th - 6th Standards
Students complete interactive activities to explore decimal problems.
Interactive
Visual Fractions

Visual Fractions: Platform Scale Addition

For Students 3rd - 8th
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.
Interactive
Study Pad

Splash Learn: Decimal Arithmetic

For Students 5th Standards
[Free Registration/Login Required] This game provides practice in decimal arithmetic including addition, subtraction, multiplication, and division of decimals.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals #6

For Students 4th - 5th Standards
Practice adding whole numbers and decimals up to the hundredths place. Includes hints.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals #5

For Students 4th - 5th Standards
Practice adding whole numbers and decimals up to the hundredths place. Includes hints.
Unknown Type
Shmoop University

Shmoop: Fractions & Decimals: Adding and Subtracting Mixed Numbers

For Students 9th - 10th Standards
The mathematics resource explores addition and subtraction with mixed numbers. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.
Interactive
Doina Popovici

Math Play: Adding Decimals Baseball Game

For Students 3rd - 5th
Play ball! Practice adding decimals by using this interactive game that allows students to try to hit the ball after every correct answer.
Activity
OnlineMathLearning.com

Online Math Learning: Adding & Subtracting Positive & Negative Decimals

For Students 7th
An interactive worksheet for practice in the addition and subtraction of decimals with positive and negative signs.
Unknown Type
Application Magazine

Aplicaciones: Suma De Decimales

For Students 3rd - 8th Standards
This is a self-assessment of addition of decimals. Final score will be given at the end of each section.
Activity
Homeschool Math

Homeschool Math: Adding and Subtracting Decimals With Two Decimal Digits

For Students 4th - 5th
This is a complete lesson with instruction, word problems, and exercises about adding and subtracting decimals with two decimal digits (hundredths).
Interactive
Fun Brain

Fun Brain: Power Football (Decimal Game)

For Students 4th - 6th
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.
Unknown Type
Khan Academy

Khan Academy: Adding Decimals

For Students 5th
Start with simple problems like 0.2 + 0.4 and build to more complex problems like 10.3 + 36.75.
Lesson Plan
Alabama Learning Exchange

Alex: Get It Straight Mr. Decimal!

For Teachers 4th - 5th Standards
Students will review addition and subtraction of decimals with a hands-on, cooperative small group experience. They will be placed in small groups and solve problems on individual whiteboards. This lesson plan was created as a result of...
Lesson Plan
Better Lesson

Better Lesson: Adding, Subtracting, and Understanding Decimals

For Teachers 5th - 6th Standards
Students learn how to properly add and subtract decimal quantities.
Unknown Type
Khan Academy

Khan Academy: Add Decimals Like 40.1+7.6

For Students 5th
Add larger numbers with tenths like 40.1+7.6.
Unknown Type
Khan Academy

Khan Academy: Add Decimals Like 4+5.7

For Students 5th
Add whole numbers and tenths like 4 + 5.7.
Unknown Type
Khan Academy

Khan Academy: Add Decimals Like 0.7+0.5

For Students 5th
Add tenths like 0.7 + 0.5.
Unknown Type
Khan Academy

Khan Academy: Add Decimals Like 0.76+0.21

For Students 5th
Add hundredths like 0.76+0.21.
Unknown Type
Khan Academy

Khan Academy: Add Decimals Like 47.75+11.98

For Students 5th
Add more challenging whole numbers, tenths, and hundredths like 5.7+4.51 or47.75+11.98.
Unknown Type
Khan Academy

Khan Academy: Add Decimals Like 5.53+6.1

For Students 5th
Add whole numbers, tenths, and hundredths like 60+2.57 or 5.53+3.1.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Addition Using Front End Estimation

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Use front-end estimation to estimate decimal sums
Website
PBS

Pbs Learning Media: Several Short Rails Make More Than a Whole

For Students 3rd - 8th
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.

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