This is a great site for angle estimation. The computer gives you an angle measure, and you have to click when you think it's that big.

Use critical thinking to pour amounts of liquids from one container to another.

### Interactive Stuff

Though this SLE list volume only in relationship to capacity, this is a great site for the volume of a rectangular prism. Make sure to have building cubes available for student use.

### Crickweb

This site lacks context, but the competitiveness of playing with another player will make students quickly realize the tricks needed to solve the problems. It can be set for a variety of difficulty levels to provide for differentiation.

### Harcourt

This is a demo of a fee program, but it gives kids some problems and allows them to work them with regrouping. It also shows the numbers contextually as arrays, so it would be a good precurser to 2 digit x 2 digit division.

### WISC

This interactive site lets you create a stem and leaf plot from scratch.

### Learn Alberta

This interactive video lesson gives a great demonstration of growing patterns. It's a wonderful tie in to functions. Either watch or skip the intro, then click Lessons at the bottom of the screen, then Patterns.

### Active Maths

This site gives great visuals of adding and subtracting fractions with different denomenators. The computer will find the LCD and perform the operations.

This is a great site to introduce this concept. It explains it with contextual examples.

### WWW Math

Use the order of operations to solve problems. You must complete 8 out of 10 before you move to harder problems.

### Primary Resources

This is a good site for practicing 3D vocab. It's important to talk with the kids about this being a site from the UK. They refer to rectangular prisms as cuboids.

### Math is Fun

This site offers an opportunity to locate fractions on a number line.

Use your knowledge of the order of operations to figure out where to place numbers in equations.

Use critical thinking to move liquid from one container to another.

### Eduplace

These cards could be used for either a concentration or a Go Fish game where students have to find sets of four related cards.

### Math Frog

Scroll down to Powerama.

### Learn Alberta

This video lesson gives great examples of growing patterns and how to find the rules. Either skip or watch the intro, then click Lessons at the bottom, then Patterns.

### Crickweb

This is a good site for teaching about regular and irregular polygons. It isn't self checking for independent work, but it does allow students to print their work.

### Family Education

Great practice to download. You have to give a website to access it. I set up an account just so I'd have an extra website to give when I wasn't sure if I'd get spam.

### Math Goodies

Read the explanations, then do the problems in your math journal.

### Shodor

This site lets you explore prisms to find both.

### NLVM

Use this site to explain with visuals the concept of multiplying 2 digit by 2 digit numbers. Be sure to include estimation as this is part of your SLE.

### Eduplace

These cards could either be used for a concentration game or for a Go Fish type game where each player had to collect 4 cards in a set.

### Family Education

Great practice for order of operations.

### Learn Alberta

This site offers great practice with both types of patterns. For grades 4-5, teachers may want to help the students make connections to function tables as they work through these.