Fun Brain
Fun Brain: Place Value Puzzler
An engaging and fast-paced game from FunBrain, where players activate their knowledge of place value and rounding. Numbers range in difficulty from easy to hard. However, for those who are up for a more serious challenge, there's also a...
Math Slice
Math Slice: Place Value Game
Test your knowledge of place value with whole numbers and decimals. A fast paced, interactive game that gives immediate feedback to responses.
Math2
Math2
This is a site for students and teachers of all grade levels. If you are looking for math tables, general information about math topics, or you would like to ask a question, this is the site to visit.
Other
Mathpower: Elementary Algebra Assignments
Test your algebra aptitude at this colorful website filled with algebra assignments for upper elementary and middle school students. Assignments explore algebra concepts using addition, subtraction, multiplication, fractions, division,...
ClassFlow
Class Flow: Multiplying Decimals by a Power of Ten
[Free Registration/Login Required] This lesson uses a dog named Decimal to introduce the concept of moving the decimal point to simplify multiplying a decimal by a power of ten. It uses Activotes to check for understanding of the concept.
Help Algebra
Help algebra.com: Percents
Converting percents to and from decimals and fractions is demonstrated in detailed examples. Once the concept is understood, you can use it to solve equations that contain percents.
CK-12 Foundation
Ck 12: Algebra: Scientific Notation
[Free Registration/Login may be required to access all resource tools.] Recognize the equivalence of decimal numbers in standard form, product form and scientific notation using very small and very large numbers
Houghton Mifflin Harcourt
Houghton Mifflin Harcourt: Saxon Activity Center: Graphing Calculator Activity: The Coordinate Plane [Pdf]
A graphing calculator lesson on coordinate planes. Detailed examples, demonstrations with key functions, and practice problems included. Acrobat Reader required.
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...
Texas Instruments
Texas Instruments: Numb3 Rs: Onion Peeler
Based off of the hit television show NUMB3RS, this lesson introduces students to the concept of changing number bases, as well as gives some insight into Internet privacy through "onion routing." Students translate hexadecimal numbers...
Math Slice
Math Slice: Fraction Slice Special Test
A succinct tool for assessing decimal and fraction concepts. Assessment is scored online. An excellent tool for use as a quick assessment.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Fracciones, Decimals Y Porcentajes
This interactive activity deals with the concepts of fractions, comparing fractions, all different arithmetic operations with fractions, converting a fraction to a decimal form and all different calculation with percents.
University of Texas at Austin
University of Texas: Elementary Math Club: "Guess the Number" Magic Trick
Learners investigate the concept of a number as a quantity. The activity has learners convert back and forth between decimal and binary expansions of numbers. The lesson plan includes an overview and a lesson toolkit.
National Council of Teachers of Mathematics
Ntcm: Math Challenge: Perplexing Percentages
Test your bargin shopping skills by figuring out which discount offers the greatest savings. A one page activity from the NCTM Math Challenges for Families series that focuses on understanding and calculating percentages. Connections...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percents Are Ratios
This Math Page tutorial explains how percents are ratios and then features a practice exercise.
Utah Education Network
Uen: Design Your Own Bedroom
Many middle schoolers dream of designing their ideal bedroom. In this exercise, students will be required to limit their designs by size (as a specific volume) and price (a specific amount). They must design the floor plan, including...
NumberNut
Number Nut: Division
An introduction to the concept of division, with an explanation of how it relates to fractions and decimal numbers. Includes links to practice activities.