Edit Delete - Last Modified By: dna at 11/03/2014 11:15:36 AM
Try this from the Oxford Big Ideas year 8 text
Edit Delete - Last Modified By: dna at 11/03/2014 12:02:31 PM
Here is some information from Maths is Fun. If you scroll to the very bottom, you will see links to practice problems
Edit Delete - Last Modified By: dna at 11/03/2014 12:04:10 PM
More online practice from AAA Math