Online Math Resources: Middle School 1

Fractions

Visual Fractions
Great site for studying all aspects of fractions: identifying, renaming, comparing, addition, subtraction, multiplication, division. Each topic is illustrated by either a number line or a circle with a Java applet. Also couple of games, for example: make cookies for Grampy.
www.visualfractions.com/

Who Wants Pizza?
Explains the concept of fraction, addition and multiplication with a pizza example, then has some interactive exercises.
math.rice.edu/~lanius/fractions/index.html

Fraction Model
Adjust the the numerator and the denominator, and the applet shows the fraction as a pie/rectangle/set model, as a decimal and as a percent.
illuminations.nctm.org/ActivityDetail.aspx?ID=44

Clara Fraction's Ice Cream Shop
Convert improper fractions to mixed numbers and scoop the right amount of ice cream flavors on the cone.
www.mrnussbaum.com/icecream/index.html

MathSplat
Click on the right answer to addition problems or the bug splats on your windshield! http://fen.com/studentactivities/MathSplat/mathsplat.htm
fen.com/studentactivities/MathSplat/mathsplat.htm

Equivalent Fractions from National Library of Virtual Manipulatives (NLVM)
See the equivalency of two fractions as the applet divides the whole into more pieces.
nlvm.usu.edu/en/nav/frames_asid_105_g_2_t_1.html

Equivalent Fractions
Draw two other, equivalent fractions to the given fraction. Choose either square or circle for the shape.
illuminations.nctm.org/ActivityDetail.aspx?ID=80

Fraction Frenzy
Click on pairs of equivalent fractions, as fast as you can. See how many levels you can get!
www.learningplanet.com/sam/ff/index.asp

Fresh Baked Fractions
Practice equivalent fractions by clicking on a fraction that is not equal to others.
www.funbrain.com/fract/index.html

Fractioncity
Make "fraction streets" and help kids with comparing fractions, equivalent fractions, addition of fractions of like and unlike denominators while they drive toy cars on the streets. This is not an online activity but has instructions of how to do it at home or at school.
www.teachnet.com/lesson/math/fractioncity.html

Visual Math Learning
Free tutorials with some interactivity about all the fraction operations. Emphasizes visual models and lets student interact with those.
www.visualmathlearning.com/pre_algebra/chapter_9/chap_9.html

Equivalent fractions
See the equivalency of two fractions as the applet divides the whole into more pieces.
matti.usu.edu/nlvm/nav/frames_asid_105_g_2_t_1.html" target="_blank

Math Mammoth Fractions 1 $4.50
Self-teaching printable workbook. Don't just memorize fraction rules - learn and understand! Covers mixed numbers, equivalent fractions, addition and subtraction.

Adding fractions
Illustrates with pictures finding the common denominator.
matti.usu.edu/nlvm/nav/frames_asid_106_g_2_t_1.html

Fraction Pie
The user selects the numerator and denominator, and the applet shows the fraction as a pie/rectangle/set model, as a decimal and as a percent.
illuminations.nctm.org/ActivityDetail.aspx?ID=45

Math Mammoth Fractions 2 worktext $4.00.
Don't just memorize fraction rules - learn fractions visually! Covers simplifying, multiplication and division of fractions and mixed numbers.

Old Egyptian Fractions
Puzzles to solve: add fractions like a true Old Egyptian Math Cat!
www.mathcats.com/explore/oldegyptianfractions.html

Comparing Fractions, Decimals, and Percentages
Has factsheets, a nice matching pairs game, online quiz, and printable worksheets.
www.bbc.co.uk/skillswise/numbers/fractiondecimalpercentage/comparing/comparingall3/index.shtml

Fraction Decimal Conversion
Practice fractions vs. decimal numbers online with a matching game, concentration, or flash cards.
www.quia.com/jg/65724.html"

Online Fraction Calculator
Add, subtract, multiply or divide fractions and mixed numbers.
www.homeschoolmath.net/worksheets/fraction_calculator.php

Fraction Worksheets: Addition, Subtraction, Multiplication, and Division
Create custom-made worksheets for the four operations with fractions and mixed numbers.
www.homeschoolmath.net/worksheets/fraction.php

Fraction Worksheets: Equivalent Fractions, Simplifying, Convert to Mixed Numbers
Create custom-made worksheets for some other fraction operations.
www.homeschoolmath.net/worksheets/fraction-b.php

Fraction/Decimal Worksheets
Change fractions to decimal numbers or decimal numbers to fractions.
www.homeschoolmath.net/worksheets/fraction-decimal.php

Fractions Vs. Decimals Calculator
www.counton.org/explorer/fractions/

Games and Activities to learn Fractions
Commercial games for teaching fractions, including Equivalent Fractions Card Game, Pie and Pizza Fractions, Fractions bingo, teaching fractions with chocolate.
lesson-plan.org/lesson-plan/math-lesson-plan.html?offer=frewebhost&pid=0

Online math tutors to help with math homework are available 24/7 at Tutor.com.

Software

FractionGen
Create customizable worksheets for the four basic operations of fractions/mixed numbers/whole numbers.  Answers included.  The program makes a simple text file which you can print from your text editor.
Price: Free
download.com/3000-2053-6897377.html?tag=lst-0-1

Decimals

Estimate
Estimate to which decimal the arrow is pointing on the number line. The game has the words "Evaluation version" across the screen, but is still playable.
www.interactiveresources.co.uk/mathspack1/estimate/estimate.html

Mathematical Interactivities
mathematics.hellam.net/
Find several games related to fractions and decimals in the Number Puzzles section, including:

• Decimal Challenge
  Guess the decimal number between 0 and 10. Each time feedback tells whether your guess was too high or too low.
  www.interactivestuff.org/sums4fun/decchall.html
  
  
• Sock
  Push the green blocks into the holes to make the target number.
  www.interactivestuff.org/sums4fun/sock.html
  
  
• Switch
  Put the sequence of decimal numbers into ascending order by switching them around. Refresh the page from your browser to get another problem to solve.
  www.interactivestuff.org/sums4fun/switch.html
  
  
• Scales
  Move the pointer to match the decimal number given to you. Refresh the page from your browser to get another problem to solve.
  www.interactivestuff.org/sums4fun/scales.html

Smaller and Smaller Maze
Practice ordering decimal numbers and find your way through the maze.
www.mathsyear2000.org/magnet/kaleidoscope/smaller/index.html

A Decimal Puzzle
Make every circle add up to 3.
nlvm.usu.edu/en/nav/frames_asid_187_g_2_t_1.htmlsopen=instructions&from=category_g_2_t_1.html

Decimals in Space
An asteroids style game where you first answer a question about the smallest decimal, then get to shoot asteroids, earning points based on the numbers on them.
themathgames.com/arithmetic-games/place-value/decimal-place-value-math-game.php

Fraction/Decimal Worksheets
Change fractions to decimal numbers or decimal numbers to fractions.
www.homeschoolmath.net/worksheets/fraction-decimal.php

Decimal and Square Root Gizmos from Explorelearning.com
Interactive "Gizmos" illustrating comparing and ordering decimals, multiplying with decimals, sums and differences with decimals, solving equations with decimals, and exploring square roots. Exploration guide and assessment questions included. By subscription, but has Free 30-day trial account. Excellent resources.
www.explorelearning.com/index.cfm?method=cResource.dspResourcesForCourse&CourseID=211

Decimal and Whole Number Jeopardy
Review place value and comparing and rounding numbers. Also, practice number patterns.
www.quia.com/cb/8142.html

Comparing Fractions, Decimals, and Percentages
Has factsheets, a nice matching pairs game, online quiz, and printable worksheets.
www.bbc.co.uk/skillswise/numbers/fractiondecimalpercentage/comparing/comparingall3/index.shtml

Fraction Decimal Conversion
Practice fractions vs. decimal numbers with a matching game, concentration, or flash cards.
www.quia.com/jg/65724.html

Learning Decimal Numbers
Tutorial for the teacher, filled with learning ideas, illustrations that work, common misconceptions, case studies etc. You can also buy this tutorial as a Teaching and Learning about Decimals CDROM/a>
extranet.edfac.unimelb.edu.au/DSME/decimals/SLIMversion/welcomeindex.shtml

Maths Teaching Ideas - Decimals
Ideas for activities, worksheets, printable decimal place value chart and number lines.
www.teachingideas.co.uk/maths/contents08fracdecperratprop.htm

Percent

Virtual Manipulative: Percentages
Interactive tool where you fill in any two of the three 'boxes' (whole, part, and percent) and it will calculate the missing part and show the result visually in two ways.
matti.usu.edu/nlvm/nav/frames_asid_160_g_2_t_1.html

Using the Proportion Method to Solve Percent Problems
Clear illustration of the proportion method, how to solve it, and online practice exercises.
amby.com/educate/math/4-2_prop.html" target=

A Conceptual Model for Solving Percent Problems
Explanation of how to use a 10 x 10 grid to explain basic concept of percent, AND solve various types of percent problems.
illuminations.nctm.org/LessonDetail.aspx?id=L249" target=

Penguin Waiter
Simple game where you calculate the correct tip to leave the penguin waiter.
www.funbrain.com/penguin/

Money Math
Crystal clear tutorial on interest.
www.intmath.com/Money-Math/Money-Maths.php

Proportioner
Interactive tool (Java). Manipulate images and compare their dimensions to the dimensions of other images. Specify image dimensions graphically, numerically or using a scale factor.
seeingmath.concord.org/resources_files/Proportioner.html

Math Goodies CD — self-paced instruction for grades 6-8 101 in-depth lessons - interactive learning modules 80-page worksheet library for easy printing An interactive puzzle library with 3 levels of difficulty. Interactive Integer Football game. Exercises with error trapping and immediate feedback. Available as a CD or as a download — read more!

Integers & Number Theory

Adding Real Numbers - Explorelearning.com
Interactive "Gizmo" illustrating addition of integers on a number line.  Comes with exploration guide and assessment questions.  By subscription, but has Free 30 day trial account.
www.explorelearning.com/index.cfm?method=cResource.dspResourcesForCourse&CourseID=211

Color Chips Addition
The user drags positive/negative chips to the working area, then combines them in pairs to see the sum.
matti.usu.edu/nlvm/nav/frames_asid_161_g_2_t_1.html

Number Balls Game
Click on the rotating number balls in the ascending order.
themathgames.com/arithmetic-games/integers/order-positive-negative-integers.php

MathCar Racing
Outdrive Funbrain's math car by getting the highest score and practice integer operations.
www.funbrain.com/osa/index.html"

Choose Operation Game
Choose the range to include negative numbers in this fun game to get practice in how to add/subtract/multiply/divide integers.
www.homeschoolmath.net/operation-game.php

Color Chips Subtraction
Drag positive/negative chips and zero pairs into working area as instructed, then subtract.
www.matti.usu.edu/nlvm/nav/frames_asid_162_g_2_t_1.html

Integers: Operations with Signed Numbers
Clear and cute presentations of the rules for integer operations, including The Party in the Mathland for determining the sign of multiplication/division result. Has a link to practice exercises with instant feedback.
www.Integers: Operations with Signed Numbers

Space Coupe to the Rescue
By choosing a positive or negative number, the player controls the vertical position of a spaceship. If the spaceship reaches the same vertical position as a virus pod, the pod is destroyed.
pbskids.org/cyberchase/games/negativenumbers/index.html

Flashcards with Negative Numbers
Interactive flashcards at AplusMath.com.
www.aplusmath.com/Flashcards/sub-nflash.html

How to Teach Integers
An article for the teacher about how to teach integer operations. Includes Add and Subtract Integers and Multiply & Divide Integers fact sheets (PDF).
www.homeschoolmath.net/teaching/integers.php

Introduction to primes and proof
An online book about basics of primes and unique factorization (The Fundamental Theorem of Arithmetic).
jax.hopto.org/maths/books/prime/