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Two interactive explorations to visualize fractions. Good for whole class activities, recognizing patterns. Provides different ways of representing fractions (pizza, candy bar, people, measuring cup)

This tool explores several representations for fractions with equivalent decimals and percents Use circles, rectangles, or sets to illustrate the fraction./ See fraction models II, III, and IV for more options. Whole class tool. with lesson plan.

Explore relationships between fractions and decimals with this interactive tool. Whole class tool.

Fill in the equivalent fraction to win each round. Fractions illustrated with pie chart. Students can set the time and choose from equivalent fraction families. Good whole class activity as well.

You must follow the rules to get throught the Cave maze. Choose easy, medium, hard. Improve your problem-solving with this game!

Learn to add and subtract multiples and near-multiples of 10 in your head using a graded set of activities on a 10x10 number grid with helpful popups along the way.

Learning the multiplication tables is made fun by testing yourself against your previous best score and the clock. When it gets too easy doing them in order, we mix them up! Use whole class or alone.

Plot the Robot is for online printing and offline mental arithmetic, calculator work, and coordinate graphing to draw pictures.

Help the farmer get the chicken, the fox, and the corn across the river without anything being eaten!

Try this...not as easy as it looks! What's your strategy??

Learning the multiplication tables is made fun by testing yourself against your previous best score and the clock. When it gets too easy doing them in order, we mix them up! Use whole class or alone.

Learn to add and subtract multiples and near-multiples of 10 in your head using a graded set of activities on a 10x10 number grid with helpful popups along the way.

This virtual manipulative displays a grid containing numbers from 1 to 200. You can use it to explore patterns and relationships involving multiples. Great for whole class.Click Instructions.

This excellent resource simulates what happens to a rabbit poulation by varying temperature, water and food. Follow up with adding a predator to the environment.

What do you know about the properties of materials. Fun game as a followup to the Illustrated Materials Database.

The Materials Database allows pupils to interrogate an illustrated database of the properties of everyday materials. At the simplest level they can click on a property to view all materials which have that property. Use the Teacher section for loads of lesson print materials.

An animated, interactive dictionary for students which explains 500 common mathematical terms in simple language.

Try these problem solving interactive investigations. You will need to use your logic and reasoning skills to complete the activities. Teacher introduction may be needed. Some actvities may be appropriate for gr4.

Interactive activity for basic fraction recognition. Activities are intuitive and require little reading. Good for introductory unit. Teachers should view support materials.

This exciting and interactive site, consisting of games, activities, information, and quizzes, is all about electric circuits. You'll learn what makes circuits work, and about conductors versus insulators, switches, changing circuits, and circuit diagrams.

Here's an online game that challenges students to estimate volumes of fluids using simple comparisons - without spilling anything! It's one of those great "not as simple as it looks" simulations that really does teach.

A brief slide show introducing a spreadsheet and pie/bar graphs. Appropriate for gr4-5