CCSS.ELA-LITERACY.L.1.2.B
Use end punctuation for sentences.
110.3.b.11.D.ix
Capitalization of months, days of the week, and the salutation and conclusion of a letter
CCSS.ELA-LITERACY.L.1.1.J
Produce and expand complete simple and compound declarative, interrogative, imperative, and exclamatory sentences in response to prompts.
