Website: http://www.hslda.org/docs/GetDoc.asp?DAC=MjQ5LFBERiwwMDAw.pdf
You may also like
Website: http://www.edudps.com/WWTB.html
Website: http://etchomeschool.tripod.com
Website: https://faithhomeschool.net/
Website: http://www.mathlearningcenter.org/