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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Adding 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.] This mathematics resource is a video demonstrating addition with decimals to the thousandths place, followed by practice problems adding numbers with digits in the...
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Khan Academy

Khan Academy: Adding Decimals: Thousandths

For Students 6th - 8th Standards
In this exercise, students practice adding decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Unknown Type
Khan Academy

Khan Academy: Dividing Decimals: Thousandths

For Students 6th - 8th Standards
In this exercise, students practice dividing decimals in the thousandths place. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Khan Academy

Khan Academy: Multiplying Decimals 3 (Standard Algorithm)

For Students 6th - 8th Standards
In this exercise, students practice multiplying decimals 3. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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...
Website
Discovery Education

Discovery Education: Web Math: General Math

For Students 3rd - 8th
An extraordinary site that will help you with your math homework. Presented in a format that is both easy to understand and educational. Navigate through numerous instant-answer, self-help math solvers to help you figure out your math...
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...
Unit Plan
Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 6th - 8th Standards
Practice adding and subtracting negative fractions, decimals, and percents. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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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Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers

For Students 7th Standards
Practice adding and subtracting rational numbers of different forms.
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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.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Predicting the Next Decimal in a Sequence

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with a sequence of decimal numbers and they must identify the pattern rule and predict the next decimal. Includes...
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Math Slice

Math Slice: Subtraction: Math Worksheets

For Students Pre-K - 1st Standards
This tool allows you to create worksheets where students solve subtraction equations at varying levels of difficulty.
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
Khan Academy

Khan Academy: Dividing Whole Numbers to Get a Decimal

For Students 5th - 7th Standards
Divide two whole numbers to get a quotient with a decimal. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Movie Tickets

For Teachers 6th Standards
In this task, 6th graders are asked to compare the buying power of $20 in 1987 and 2012 with respect to the cost of movie tickets. Aligns with 6.NS.B.3.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1

For Teachers 6th Standards
Sixth graders are presented with a completed multiplication equation and are asked to use it to find the answers to seven other equations. To do this, they must use their reasoning and estimation skills. Aligns with 6.NS.B.3.