Sitton Spelling and Word Skills® provides a tested progression of materials that enables building visual, spelling and language skills, proofreading, and assessment readiness! The program has an embedded school to home connection with many easy to follow Take-Home Tasks and useful Parent Letters. Students improve their knowledge of spelling rules, spelling patterns, and grammar. grasp of word roots and endings. application of word and language concepts in their writing. assessment confidence. How is Sitton Spelling and Word Skills different than other programs?