A matrix board is a closed set listening task that lets the therapist adjust play for a very large number of listening and speech-language goals. Auditory memory, grammatical formulation, auditory comprehension, storytelling, verb tense, subject-verbs agreement are all easily addressed for differentiated levels with these versatile games. Great for grammatical formulation for English Language Learners and students with language delays. These can also be printed in duplicate and used as a barrier