1. Phonics: Building on what was learned in earlier grades, third-grade students need to learn more complex sound-letter patterns, including multi-syllable words, and how to use them to decode and spell words.
2. Vocabulary: Students need to continue to learn new words and their meanings through context, word-picture associations, root words, and word families.
3. Reading comprehension: Students need to learn how to make inferences and predictions, identify cause and effect, and understand the main idea and supporting details in a text.
4. Grammar: Students need to learn more advanced grammar concepts such as parts of speech, sentence structure, and use of punctuation.
5. Writing: Students need to learn how to write complete paragraphs and short essays, using proper grammar, punctuation, and sentence structure.
6. Handwriting: Students need to continue to improve their handwriting legibility and neatness.
7. Speaking and listening: Students need to learn how to participate in group discussions and presentations, as well as how to ask and answer questions and give effective oral presentations.
8. Literature: Students need to be exposed to a variety of literature, such as novels and historical fiction, and learn how to analyze and interpret them.
9. Poetry: Students need to learn about different types of poetry, such as sonnets and free verse, and how to write their own poems.
10. Informational text: Students need to learn how to understand and analyze nonfiction texts, such as biographies and articles, and how to locate information using text features.

It’s important to note that these are just some of the topics that third-grade students should learn, and that the specific curriculum and objectives will vary depending on the school district and state. Additionally, as a teacher, you should also be aware of different learning styles and strategies to adapt the teaching to meet the needs of all students.

Essential Vocabulary that third graders need to learn

1. Sight words: Third-grade students need to continue to learn and practice basic and advanced sight words, as well as irregular sight words that don’t follow regular phonics rules.
2. High-frequency words: Students need to learn words that are commonly used in reading and writing, such as “although,” “because,” “before,” “could,” “should,” etc.
3. Vocabulary: Students need to learn words that are specific to certain subject matter, such as science and social studies, as well as words that are used in literature and other texts they read.
4. Nouns: Students need to continue to learn how to identify and use nouns in sentences, including singular and plural forms, common and proper nouns, and collective nouns.
5. Verbs: Students need to continue to learn how to identify and use verbs in sentences, including action verbs, linking verbs, and helping verbs.
6. Adjectives: Students need to continue to learn how to use adjectives to describe nouns, including comparative and superlative forms.
7. Pronouns: Students need to continue to learn how to use personal pronouns, possessive pronouns, and reflexive pronouns, as well as relative pronouns.
8. Adverbs: Students need to continue to learn how to use adverbs to describe verbs, including comparative and superlative forms.
9. Prepositions: Students need to continue to learn how to use prepositions to show location, time, and direction.
10. Conjunctions: Students need to continue to learn how to use conjunctions to connect words, phrases, and clauses, including coordinating and subordinating conjunctions