With resources for Pre-K to 8th grade, IXL Math is a good site for practice and drill. While the site also has a paid membership that includes comprehensive coverage of math skills, the free access provides plenty of interactive practice on a variety of skills arranged by age and topic. The coverage meets state standards and tracks your child's progress.
Before investing in any homeschooling resources, please read "How to Choose the Best Homeschool Curriculum."
Reviews are solely the opinions of the contributor.