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Interactive
University of Waterloo (Canada)

Mathfrog: Decimal Mania Add or Subtract the Decimals

For Students 3rd - 5th Standards
Add or subtract by entering one digit in each box.
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Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Decimals Word Problems

For Students 5th - 7th
Practice solving word problems by adding or subtracting decimal numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Adding Decimals: Thousandths

For Students 5th - 7th
Practice adding two numbers that are written to the tenths, hundredths, or thousandths place. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Adding Decimals: Hundredths

For Students 5th
Add two numbers that are written to the ones, tenths, or hundredths place.
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Unit Plan
PBS

Pbs: Logical Leaps: Adding Fractions and Decimals From 0 to 1 on the Vertical Number Line

For Students 6th - 8th
In this interactive, use logic to solve riddles involving flea circus high jumps. Then, add two consecutive jumps and place them on a vertical number line. This often requires you to find equivalent fractions with common denominators....
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Unit Plan
AAA Math

Aaa Math: Addition of Decimals

For Students 4th - 5th Standards
This lesson explains how to add decimals of the tenths place value. Gives practice and games to work on this skill.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Soccer Stadium: Pattern and Function

For Students 5th - 6th Standards
Carlos wants to learn about calculating with decimals before his soccer practice starts. See if you can help!
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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.
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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.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: School Bus: Decimals

For Students 4th - 6th Standards
Do you like candy? Help John count his pocket money and he will buy you a treat!
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Activity
Homeschool Math

Homeschool Math: Add and Subtract Decimals: Practice Problems

For Students 4th - 5th
This lesson contains a variety of exercises for adding and subtracting decimals with up to two decimal digits,
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Activity
Homeschool Math

Homeschool Math: Adding and Subtracting Decimals (One Decimal Digit)

For Students 4th - 5th
This is a complete lesson with instruction and a variety of exercises, teaching how to add and subtract decimals with one decimal digit (tenths).
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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).
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Unknown Type
Math Is Fun

Math Is Fun: Adding Decimals

For Students 3rd - 8th Standards
Learn to add decimals by viewing simple steps and examples. Follow links to decimal worksheets, as well as steps for subtracting, multiplying, and dividing decimals.
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Website
Ducksters

Ducksters: Kids Math: Adding and Subtracting Decimals

For Students 3rd - 8th Standards
Kids learn how to add and subtract decimals by lining up the decimal point on this website. The site has example math problems.
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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.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtracting Decimals by Inserting Place Holding Zeroes

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers using place-holding zeroes. [1:48]
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Subtract Decimals From the Thousandths Place to the Tens Place

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to subtract decimal numbers from the tens place to the thousandths decimal place. [0:47]
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Converting Integer and Fraction Sums Into Decimals

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must convert the sum of integers and fractions into a decimal total. Includes video demonstrating a sample problem [1:00] and a...
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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.
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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.
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Whiteboard
ClassFlow

Class Flow: Decimals Cents

For Teachers 4th - 6th
[Free Registration/Login Required] During this lesson students will learn the relationship between decimals and money. They will use banking terminology to add and subtract dollar and cent amounts in a checkbook-like situation.
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Unknown Type
Khan Academy

Khan Academy: One Step Addition and Subtraction Equations With Fractions and Dec

For Students 6th - 8th
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.
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Unknown Type
Khan Academy

Khan Academy: Practice: Adding Decimals: Thousandths

For Students 5th - 6th Standards
Practice adding two decimal numbers from the tenths to the thousandths place.

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