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Common Core Sheets

Common Core Sheets: Number and Operations in Base Ten 5.nbt.7 Worksheets

For Teachers 5th Standards
Teachers can assess students' knowledge of adding, subtracting, multiplying, and dividing decimals to hundredths with these printable worksheets. You can even create your own worksheet or flashcards.
Unit Plan
Khan Academy

Khan Academy: One Step Addition & Subtraction Equations: Fractions & Decimals

For Students 5th - 7th
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...
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.
Interactive
Mangahigh

Mangahigh: Number: Calculator Problems Decimals

For Students 5th - 7th Standards
Test your knowledge of adding, subtracting, multiplying, and dividing decimals.
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Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 7th
Practice adding and subtracting negative fractions, decimals, and percents.
Interactive
CK-12 Foundation

Ck 12: Math Grade 5

For Students 5th
Browse resources related to fifth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
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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.
PPT
Sophia Learning

Sophia: Subtracting W/ Significant Figures: Lesson 2

For Students 9th - 10th Standards
This lesson should help a learner understand how to determine the appropriate amount of significant figures when subtracting numbers. It is 2 of 4 in the series titled "Subtracting w/ Significant Figures."
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.
Whiteboard
ClassFlow

Class Flow: Adding and Subtracting Integers

For Teachers 9th - 10th
[Free Registration/Login Required] The objectives of this flipchart are to show students how to add and subtract with integers and decimals, find absolute value and evaluate expressions.
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.
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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding and Subtracting Money Using Words

For Students 3rd - 5th
[Free Registration/Login may be required to access all resource tools.] The video walks you through an example of pulling out key words to know what operation to use when working with money word problems. The video models converting...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Front End Estimation Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences of decimals using front-end estimation.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Addition

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Add and subtract decimals with and without rounding
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Shodor Education Foundation

Shodor Interactivate: Fraction Quiz

For Students 9th - 10th
This activity allows the student to practice simplifying, converting, and multiplying decimals, percentages, and fractions. There are 3 levels of difficulty and the time limit may be set from no limit to 60 seconds. Additional...
Lesson Plan
Alabama Learning Exchange

Alex: Pizza! Pizza! Pizza!

For Teachers 3rd - 8th
In groups of two or three, students decide on what to order at a pizza place given a set budget and a menu.
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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.
Whiteboard
SMART Technologies

Smart: Foundational Math Concepts for Elementary Ages

For Teachers K - 1st Standards
Practice everyday math skills such as adding, subtracting, multiplying, dividing, place value, counting money, telling time, fractions, decimals, and more.
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Fraction Facts

For Teachers 6th - 8th
The Shodor Education Foundation provides this lesson plan to introduce middle schoolers to the basics of fractions including fraction operations and converting fractions both to decimals and percents. NCTM Standards are listed for this...
Lesson Plan
Hopelink

Hopelink: Using Your Checkbook: Eastside Literacy Program

For Teachers 9th - 10th
Show your student how to correctly write a check, fill out a deposit slip, and use a check register. Introduce the concept of balancing a checkbook. Requires the ability to add and subtract decimals, sign one's name, write number words,...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Subtraction

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Subtracting decimals with and without rounding
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Shmoop University

Shmoop: Fractions & Decimals: Adding and Subtractions Fractions

For Students 9th - 10th Standards
The mathematics resource explores adding and subtraction fractions. Students examine the topics through class notes and examples. Practice problems with solutions are available to check for comprehension of the concepts.
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Varsity Tutors

Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets

For Students 4th - 8th
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...

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