OER Commons
Oer Commons: Understanding Fractions & Decimals
Seventh graders use number lines to solve addition and subtraction problems involving positive and negative fractions and decimals.
Other
The Actuarial Foundation: Math Academy: Dining Out [Pdf]
Students will understand and apply concepts of fractions, decimals and percents to count money, make change, figure tax/tips and participate in other restaurant-related activities.
E-learning for Kids
E Learning for Kids: Math: Street Orchestra: Fractions
Discover fractions and decimals with Maria and the members of the orchestra.
E-learning for Kids
E Learning for Kids: Math: Music Center: Fractions & Decimals
Meet Marissa who manages a Music Center in Australia. Can you help her decide how many seats she sold?
E-learning for Kids
E Learning for Kids: Math: Soccer Stadium: Pattern and Function
Carlos wants to learn about calculating with decimals before his soccer practice starts. See if you can help!
AAA Math
Aaa Math: Estimation
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
AAA Math
Aaa Math: Aaa Math Lessons
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
AAA Math
Aaa Math: All About Percents and Ratios
This AAA Math tutorial covers calculating percents, relationships of percents to fractions and decimals, and uses of percents.
Hopelink
Hopelink: Teaching Percentages
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.
AAA Math
Aaa Math: Addition of Decimal Tenths
Students can practice adding decimal numbers in the tenths place through a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Subtraction of Decimal Tenths
This site describes how to subtract decimals. It provides exercises and games to practice the skill through the tenths place.
AAA Math
Aaa Math: Comparing Scientific and Standard Notation Numbers
The resource describes how to compare numbers in scientific and standard notation. It provides exercises and games to practice the skill.
AAA Math
Aaa Math: Converting Decimals to Scientific Notation
This resource allows students to practice writing decimals in scientific notation. Exercises and games are provided.
AAA Math
Aaa Math: Converting Scientfic Notation to Decimal Numbers
This site explains how to convert scientific notation into decimal numbers. Games and exercises are provided to practice the skill.
AAA Math
Aaa Math: Converting Decimal Numbers to Scientific Notation
Students investigate how to convert decimal numbers to scientific notation. Exercises are provided to practice the skill.
AAA Math
Aaa Math: Convert Scientific Notation to Decimal Numbers
Notes and practice problems explore how to convert scientific notation numbers to decimals numbers.
Arcademics
Arcademics: Hungry Puppies Making a Number Using Decimal Division
Feed the puppies by adding decimals correctly.
AAA Math
Aaa Math: Place Value
AAAMath: Place Value is a learning modual that students practice finidng place values
CK-12 Foundation
Ck 12: Elem Math: Comparing and Writing Decimal Inequalities
[Free Registration/Login may be required to access all resource tools.] The video shows how to compare two decimals using the appropriate inequality sign. The video is followed by practice problems to assess student understanding of the...
CK-12 Foundation
Ck 12: Elem Math: Solving Decimal Word Puzzles
[Free Registration/Login may be required to access all resource tools.] This interactive media source is practice writing decimals. Students have to understand place value for both whole numbers and decimals in order to correctly write...
CK-12 Foundation
Ck 12: Elem Math: Rounding to the Nearest Whole Number
[Free Registration/Login may be required to access all resource tools.] The video describes the process of rounding a decimal to the nearest whole number and gives an example. The video is followed by a series of practice questions to...
CK-12 Foundation
Ck 12: Elem Math: Round to the Nearest 2 Decimal Places or the Hundredths Place
[Free Registration/Login may be required to access all resource tools.] The video explains an example of rounding a number to the nearest hundredth. The video is followed by a series of practice questions to assess student comprehension...
University of Regina (Canada)
University of Regina: Math Central: Integers: Grade 6 (Using Thermometer)
Scroll partway down the page to find this lesson on decimals which incorporates the use of thermometers at an activity centre.
Visual Fractions
Visual Fractions: Platform Scale Subtraction
Weigh five little creatures on a metric scale, and subtract to find the mass to the hundredths place for each. A timer calculates your speed of computation.