Interactive
University of Cambridge

University of Cambridge: Nrich: Games Pelmathism: Fractions, Decimals, & Percents

For Students 3rd - 8th
Use this game to improve your knowledge and understanding of fractions, decimals, and percents. You can set the topics you want to practice on this game.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Timed Mental Math

For Students 3rd - 8th Standards
This resource provides an interactive worksheet with just ten problems as an independent practice or a quick assessment.
Activity
Teaching Treasures Publications

Teaching Treasures: Year Eight Timed Mental Math

For Students 3rd - 8th Standards
Improve your computation skills using this timed interactive worksheet.
Interactive
Shmoop University

Shmoop: Converting Decimals

For Students 3rd - 8th Standards
This animation features the mathematical concept of converting decimals how to perform the calculation. 2:17sec.
Unit Plan
Shmoop University

Shmoop: Fractions & Decimals: Decimals

For Students 9th - 10th Standards
The mathematics resource introduces decimals as parts of a whole.
Unit Plan
Shmoop University

Shmoop: Fractions & Decimals: Visualizing Decimals

For Students 5th - 6th Standards
Students examine decimals by visualizing what a decimal would look like.
Unknown Type
Shmoop University

Shmoop: Fractions & Decimals: Decimals Word Problems

For Students 5th - 7th
Students explore word problems with decimals through examples and practice problems.
Unknown Type
That Quiz

That Quiz: Fracciones Y Decimales

For Students 5th - 7th Standards
These interactives are designed for the student to practice addition, subtraction, multiplication, and division of fractions and decimals.
Activity
AAA Math

Aaa Math: Fractions and Equivalent Decimals

For Students 9th - 10th Standards
Explains why decimals are a type of fraction. Gives practice recognizing equivalents and games to practice the skill.
Unit Plan
Math Is Fun

Math Is Fun: Comparing, Ordering Decimals

For Students 3rd - 8th Standards
This website gives a simple, easy strategy for how to compare decimals when they have a different number of decimal places. It provides examples in ascending and descending order and an ordering game for practice.
Handout
Purple Math

Purplemath: Place Value: Concepts

For Students 3rd - 5th Standards
Explains and illustrates the thinking behind the concept of place value.
Interactive
Doina Popovici

Math Play: Adding Decimals Game

For Students 3rd - 5th Standards
An interactive basketball game where students practice their decimal adding skills to make 3 point baskets.
Unit Plan
Houghton Mifflin Harcourt

Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: Common Denominators [Pdf]

For Students 9th - 10th Standards
A graphing calculator lesson focusing on common denominator. Lesson contains detailed examples, visual demonstrations with key functions, and practice problems. Acrobat Reader required.
Interactive
Doina Popovici

Math Play: Adding Decimals Soccer Game

For Students 3rd - 5th
Use this fun soccer game to practice adding decimals.
Handout
Science Struck

Science Struck: How to Convert Octal to Decimal

For Students 9th - 10th
Explains what the four different types of number systems are and what they are used for. Presents the formula used to convert octal numbers into decimals and models how to apply it in two example problems.
Interactive
Fun Brain

Fun Brain: Decimal Football (Division Game)

For Students 4th - 8th
Navigate to Division and score field goals by correctly dividing decimal numbers.
Unit Plan
Khan Academy

Khan Academy: Decimals in Written Form

For Students 4th - 6th
Practice converting decimals between standard form and written form. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Activity
BBC

Bbc Schools: Bitesize: What Are Decimals?

For Students 4th - 5th
Take the quiz to assess your mastery of decimal numbers. Links are provided that allow you to increase the screen size of your quiz, view the quiz in a different format, brush up on your decimal facts prior to taking the quiz, and enjoy...
Website
Ducksters

Ducksters: Kids Math: Multiplying and Dividing Decimals

For Students 1st - 9th Standards
Kids learn how to multiply and divide decimals. How to line up and move the decimal points. Example math problems are given.
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.
Activity
University of Waterloo (Canada)

Math Frog: Ordering Decimals

For Students 4th - 6th
Arrange the decimals by clicking them in order from lowest to highest. Included is a help button if you are stuck!
Unit Plan
Disfruta Las Matematicas

Disfruta Las Matematicas: Numeros Decimales!

For Students 4th - 6th Standards
This unit could be used as an introduction to decimals. It has good examples and also contains worksheets that could be printed with or without the answers.Read phonetically
Handout
Calculator Soup

Calculator Soup: Comparing Fractions Calculator

For Students 9th - 10th
Compare fractions to find which fraction is larger and which is smaller. You can also use this calculator to compare mixed numbers, compare decimals, compare integers, and compare improper fractions.
Graphic
Calculator Soup

Calculator Soup: Fractions Table

For Students 9th - 10th
Table shows incremental ordering of fractions with decimal and percentage equivalents.