While a PDF is static, many find that using the PDF alongside a YouTube teacher or an app reading the same pages makes it "easy."
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The primer teaches Arabic letters starting from their most basic forms (isolated), moving to joined letters, then to words, and finally to full Ayat (verses). It is famous for its "spelling" technique (similar to phonics in English), where a student sounds out every harakah (vowel) independently before saying the whole word.
Let's look at a typical timeline for a motivated English speaker using the for 30 minutes daily.