Science, history, health, literature all come from the library. I browse sonlight book lists, ambleside online book lists, and any other lists I can get my hands on and get whatever I can through the library. Handwriting, grammar, and spelling are taught through copywork and dictation. My favorite low cost math book is Strayer - Upton Practical Arithmetics which is available through Rainbow resource online. It starts at 3rd grade and quickly moves through addition and subtraction so inexpensive workbooks would be a good starting point in first and second. All told school costs about $50 a year when I follow this plan.
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