English Language Arts · 5th Grade · Word Power: Vocabulary, Grammar, and Usage · Weeks 28-36

Using Reference Materials

Consulting dictionaries, glossaries, and thesauruses to find the meaning, pronunciation, and synonyms of words.

• Common Core State Standards
• CCSS.ELA-Literacy.L.5.4.c

About This Topic

Using reference materials builds fifth graders' independence in determining word meanings, pronunciations, and synonyms through dictionaries, glossaries, and thesauruses. Students practice guide words to locate entries quickly, phonetic symbols for correct pronunciation, and multiple definitions to select context-appropriate ones. This skill, aligned with CCSS.ELA-Literacy.L.5.4.c, supports comprehension of grade-level texts and precise expression in writing.

In the Word Power unit, students differentiate dictionaries, which provide definitions and usage examples, from thesauruses that offer synonyms and antonyms, and glossaries tailored to domain-specific vocabulary. They evaluate digital tools like online dictionaries for speed and accuracy, connecting to broader vocabulary, grammar, and research skills. These practices prepare students for cross-curricular reading demands.

Active learning benefits this topic because students apply tools in authentic contexts, such as annotating texts or revising sentences. Collaborative hunts and timed challenges make navigation engaging, while creating personal glossaries reinforces retention through repeated use and peer teaching.

Key Questions

1. Differentiate between the information found in a dictionary and a thesaurus.
2. Explain how to effectively use a glossary to understand domain-specific vocabulary.
3. Evaluate the most efficient way to find the definition of a word using digital tools.

Learning Objectives

• Compare the information provided by a dictionary versus a thesaurus for a given word.
• Explain the function of a glossary in defining domain-specific vocabulary within a science or social studies text.
• Evaluate the efficiency of using online dictionary tools versus print versions for word lookups.
• Demonstrate how to use guide words to locate entries in a dictionary or glossary.
• Identify synonyms and antonyms for a word using a thesaurus.

Before You Start

Identifying the Main Idea and Supporting Details

Why: Students need to understand how to extract key information from text to effectively use reference materials for clarification.

Parts of Speech

Why: Knowledge of nouns, verbs, adjectives, and adverbs helps students understand dictionary entries and select appropriate synonyms from a thesaurus.

Key Vocabulary

Dictionary	A reference book or tool that lists words alphabetically and provides their meanings, pronunciations, and other information.
Thesaurus	A reference book or tool that lists words in groups of synonyms and sometimes antonyms.
Glossary	An alphabetical list of terms or words found in or relating to a specific subject, text, or dialect, with explanations; typically found at the end of a book.
Guide Words	The words at the top of a dictionary or glossary page that indicate the first and last words on that page, helping users find entries quickly.
Phonetic Symbols	Written symbols that represent the sounds of speech, used to indicate correct pronunciation of words.

Watch Out for These Misconceptions

Common Misconception

Dictionaries provide synonyms the same way thesauruses do.

What to Teach Instead

Dictionaries emphasize definitions, etymology, and usage examples, while thesauruses list word alternatives. Partner comparison activities help students side-by-side analyze entries, clarifying distinctions through discussion and application in sentences.

Common Misconception

Glossaries are only found at the back of textbooks.

What to Teach Instead

Glossaries define specialized terms for any subject or context. Hands-on creation of subject-specific glossaries from various sources shows their versatility, with groups debating entries to deepen understanding.

Common Misconception

Digital searches like Google are always the fastest and best option.

What to Teach Instead

Digital tools can be quick but often yield unreliable results without verification. Timed individual challenges comparing digital and print references teach evaluation skills and strategic selection.

Active Learning Ideas

Partner Relay: Dictionary Dash

Pairs receive a list of 10 challenging words from a class text. One partner locates the definition and pronunciation in a print dictionary within 1 minute, then tags the other to record it. Switch for the next five words and compare results as a class.

25 min·Pairs

Thesaurus Rewrite Challenge: Small Groups

Small groups select sentences from student writing samples lacking variety. Using thesauruses, they rewrite each with synonyms, noting shades of meaning. Groups share one revision, and the class votes on the most effective changes.

30 min·Small Groups

Glossary Creation Stations: Small Groups

Set up stations with science, history, and literature texts. Groups use glossaries and dictionaries to define five domain-specific words per station, then compile a class glossary. Rotate stations and add entries.

40 min·Small Groups

Digital Tool Showdown: Individual

Students time themselves finding definitions, pronunciations, and synonyms for eight words using school-approved digital tools versus print references. Record results in a chart and discuss efficiencies in pairs.

20 min·Individual

Real-World Connections

• Journalists use dictionaries and thesauruses daily to ensure precise word choice and accurate reporting, verifying definitions and finding the most impactful synonyms for their articles.
• Researchers in scientific fields consult specialized glossaries within academic papers to understand technical terms and jargon specific to their area of study, ensuring clear communication of findings.
• Students preparing for standardized tests often use online dictionaries and thesauruses to improve their vocabulary and writing, practicing quick lookups to understand unfamiliar words encountered in practice passages.

Assessment Ideas

Quick Check

Provide students with a short passage containing several unfamiliar words. Ask them to identify one word they would look up in a dictionary and one word they might find a synonym for in a thesaurus, explaining their choice for each.

Exit Ticket

Give students a word and ask them to write down its definition from a dictionary, two synonyms from a thesaurus, and one sentence using the word correctly. They should also note which reference material they used for each piece of information.

Discussion Prompt

Pose the question: 'When would a glossary be more helpful than a dictionary for understanding a word in a science textbook?' Facilitate a class discussion where students share examples and justify their reasoning.

Frequently Asked Questions

How do you differentiate dictionary and thesaurus use for 5th graders?

Start with anchor charts showing dictionary features like pronunciations and parts of speech versus thesaurus synonym lists. Use paired texts where students locate information in both, then discuss in small groups why each tool fits specific needs. Follow with writing tasks requiring both, reinforcing choices through peer feedback. This builds precise tool selection over time.

What active learning strategies work best for teaching reference materials?

Incorporate scavenger hunts where pairs hunt words in texts and race to references for details, fostering quick navigation. Thesaurus relay games in small groups encourage synonym swaps in sentences, with class voting on improvements. Glossary-building stations across subjects make domain vocabulary contextual, while digital versus print timed trials reveal efficiencies through personal data analysis.

How can glossaries help with domain-specific vocabulary in ELA?

Glossaries clarify terms from science or history texts read in ELA, bridging subjects. Students first encounter unfamiliar words in context, then use glossaries to define and exemplify. Class co-creation of glossaries from unit readings ensures ownership, with quizzes using them to check understanding and application in discussions.

What are efficient ways to use digital reference tools in 5th grade?

Teach bookmarks for reliable sites like Merriam-Webster Kids or dictionary.com, with lessons on keyword searches and verifying multiple sources. Practice with side-by-side timers comparing digital to print, noting pros like audio pronunciations. Integrate into daily reading by having students log lookups, reviewing patterns to refine strategies.