That’s a difficult question.
Math- Sonlight Mathtacular DVDs
English- English handbook from the publisher you are using or your favorite, such as Rod and Staff’s English Handbook. Also, Five in a Row and SCM titles.
American History- The Light and the Glory and the 2 kids versions, Liberty’s Kids dvds, YWAM biographies,
World History- Stories of the World from SCM. Louise Vernon books, The Chestry Oak, YWAM biographies,
Science- Thornton Burgess books, James Herriot books, Masterbooks World of Animals and World of Science,
Foreign Language- dictionaries in chosen language, online resources with video or audio.