Graphemes are the letters we use tp spell sounds. When explicitly and systematically teach students how to map letters to sounds and that we have 44 phonemes or sounds but over 200 ways to spell those sounds, we start to unlock the code of our English Language! These are easy to use and can be used every day in a variety of ways! Print and cut - laminate if you want to use them for years to come. Or just print on card stock and they will last a very long time.