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.
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Khan Academy

Khan Academy: Estimating With Multiplying Decimals

For Students 4th - 6th Standards
Estimating with multiplying decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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.
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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.
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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...
Unit Plan
Khan Academy

Khan Academy: Multiplying Decimals 3 (Standard Algorithm)

For Students 5th - 7th
Practice multiplying 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.
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...
Website
Learning Wave Communications

Learning Wave: Decimals

For Students 5th - 8th Standards
This resource contains several links that lead to discussions on several topics of decimals, including converting and comparing with fractions, rounding, estimating, and basic operations. Each page includes examples and some sample...
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Street Orchestra: Fractions and Percentages

For Students 4th - 6th Standards
Adolfo loves Music and Math! Did you know musical notes can be expressed as fractions, decimals, and percents?
Activity
Hopelink

Hopelink: Teaching Percentages

For Teachers 9th - 10th
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: The Value of Education

For Teachers 4th - 8th
The purpose of this task is for students to add, subtract, multiply, and divide decimal numbers in a real-world context. The weekly income earned by each person in the task is the median weekly income for their education level, but they...
Unit Plan
Khan Academy

Khan Academy: Understanding Moving the Decimal

For Students 4th - 6th Standards
Give the number of tens a number is being multiplied or divided by when the decimal is moved to the left or right. 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
For 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.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Quotients Using Zero Placeholders

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Divide decimals by whole numbers using zero placeholders.
Activity
Texas Instruments

Texas Instruments: Decimal Defender App

For Teachers 5th - 7th
This App helps students practice multiplication and division with decimals in a fun environment. Students use this App to learn standard multiplication and division algorithms as well as understand topics such as scientific notation, the...
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Multiplication

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Multiply and divide decimals with and without rounding
Activity
Discovery Education

Discovery Education: Web Math: Convert Regular Decimals to Scientific Notation

For Students 9th - 10th Standards
This site gives an answer and explanation for any conversion requested by the user.
Whiteboard
ClassFlow

Class Flow: Dividing Decimals by Powers of Ten

For Teachers 3rd - 8th Standards
[Free Registration/Login Required] This chart was designed to go in tandem with a lesson on multiplying decimals by powers of ten. It uses a dog named Decimal and you take him for a walk. Activotes assess comfort and understanding of...
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.
Interactive
CK-12 Foundation

Ck 12: Math Grade 3

For Students 3rd
Browse resources related to third-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Activity
Other

Kid's Page Archive: Free Printable Math Worksheets

For Teachers Pre-K - 1st
Great source for math worksheets on all four whole number operations, fractions, and miscellaneous arithmetic topics. Could be used to assess basic arithmetic skills for areas that need remediation.
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Math Drills

Math Drills: Powers of Ten Worksheets

For Students 9th - 10th Standards
Download these free worksheets to sharpen your skills working with powers of ten. Sheets focus on whole numbers and decimals in comma/point and point/comma formats and are in both standard form and exponent form.
Website
Other

Mathpower: Math Fundamental Assignments

For Students 9th - 10th Standards
Math variety of concepts, this colorful website is sure to give your students the chance show what they know. Concepts covered include rounding, division with decimals, order of operations, ratio, percent, multiplication, and division of...
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: Fraction Facts

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