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Nice set of applets that let students explore fraction understanding from multiple perspectives and models. I love that they use a variety of models for fractional development, including bars (multiple versions), sets, and linear. From the site:  "Why Fractions? Fractions are one of the earliest stumbling blocks for students in math. Our goal is building conceptual understanding in fractions as a basis for comprehension in all later topics."

"A research team led by Carnegie Mellon University's Robert Siegler has identified a major source of the gap -- U. S. students' inadequate knowledge of fractions and division. Although fractions and division are taught in elementary school, even many college students have poor knowledge of them. The research team found that fifth graders' understanding of fractions and division predicted high school students' knowledge of algebra and overall math achievement, even after statistically controlling for parents' education and income and for the children's own age, gender, I.Q., reading comprehension, working memory, and knowledge of whole number addition, subtraction and multiplication. Published in Psychological Science, the findings demonstrate an immediate need to improve teaching and learning of fractions and division."

A useful fraction tool for your whiteboard. Show virtual fraction tiles to your class to aim their understanding of the relative size of the fraction. http://ictmagic.wikispaces.com/Maths

A useful flash fractions activity. You can either read fractions or make equivalents. A good resource for whiteboards. http://ictmagic.wikispaces.com/Maths

Interactive for equivalent fractions, simplest form, and improper fractions to mixed numbers

Interactive fraction game to teach the concept of fractions and mixed numbers via sharing

A great maths game were players add or subtract fractions to make their racing car go faster. http://ictmagic.wikispaces.com/maths

A great maths resource for learning about fractions. Play games and browse a good selection of support materials. http://ictmagic.wikispaces.com/Maths

The game aims to help children associate fractions with percentages. A cartoon Santa Clause introduces a snow scene with a group of identical parcels that contain either a fraction or a percentage. It is operated using the mouse, and the goal is to pair up matches, for example 1/3 and 33%, which pop out of the boxes. There are no instructions, but the game would be quite intuitive to children, though perhaps not to less inquisitive adults.

How to divide fractions using reciprocals ? There are two ways to divide fractions.

"This is a fun flash game where players help a turtle to swim and collect the correct equivalent fractions."

A great maths interactive videos and game about how to convert fractions to decimals. http://ictmagic.wikispaces.com/Maths

"Math games are a great way to help students improve their math facts accuracy. These games can be general math or focus on a specific math concept such as, solving integers. One math game is called "Fraction Face-Off." This game can also be modified to address a varied of math concepts."

In this lesson, students learn how to measure the area of the tire footprint on a car and to find air pressure using a tire gauge. Students then find the weight of the car using their fraction multiplication skills. Learning Objectives   Students will: Estimate weight of a large object Use a ruler and a tire gauge to take measurements Collect and record data Review square units of measure Calculate area by multiplying fractions Materials   Strips of poster board Ruler Tire gauge How Much Does a Car Weigh? Activity Sheet Computer with internet connection Car Instructional Plan In preparation for this lesson, place a car in a safe lcation for the students to measure the tire footprints and pressure. In case of bad weather, find a covered location. Be sure to measure the tire footprint and the pressure (in PSI) of each tire ahead of time, so that you will be able check the accuracy of students' measurements. Also, check the accuracy of your calculation by comparing to it to the weight of the car listed on the sticker inside the driver's door or in the vehicle manual. By the end of the day, data may change because air has leaked out of the tires while students were using the tire gauge. For safety, check the tires before driving home.

Students in grades 3-5 use various fraction concepts to guide the main character home.

Help your students understand equivalence between fractions, decimals and percentages with this visual number line flash resource. Peg the value to the correct position. http://ictmagic.wikispaces.com/Maths

"Most of these books are beginner level books, simply introducing the concept and terminology. However, there are a few at the end that are really great, and begin to introduce equivalent fractions and even discuss the numerator and denominator."

Play battleships along a numberline using a variety of maths skills, including fractions, decimals and measurements. http://ictmagic.wikispaces.com/Maths