The Hyphen quiz helps students understand when and how to use hyphens in their writing. The Colons and Semicolons quiz provides examples of how to use them correctly. Changing sentences - Adding Commas quiz helps students use commas correctly, and to reinforce learning.Hyphens, semicolons, colons, and commas are all punctuation marks used in written language to convey meaning, structure, and clarity. They are tools that writers use to communicate effectively and convey their message more preci