Learn on PengiVocabulary from Classical Roots (Book 4)Chapter 3: Lesson 9-11

Lesson 10: Action in Office

In this Grade 3 vocabulary lesson from Vocabulary from Classical Roots Book 4, students explore the Latin roots act (to do) and offic (duty, work) to build understanding of eight related words including active, enact, officer, official, and officiate. Exercises guide students to use root clues, identify synonyms, and apply words in context. The lesson also introduces the adjective suffix -ive, showing how it transforms verbs like attract and invent into descriptive words.

Section 1

The Root 'act': To Do, To Act

Get ready to put your vocabulary into action! These words all share the Latin root 'act,' which means 'to do' or 'to act.'

Key Words

active (adj.)activity (n.)
actor (n.)actually (adv.)
enact (v.)

📝Example Usage:

Section 2

The Root 'offic': Duty, Work

Time to get down to business! The following words are built on the Latin root 'offic,' meaning 'duty' or 'work.'

Key Words

officer (n.)official (n./adj.)officiate (v.)

📝Example Usage:

  • The police officer directed traffic after the accident to keep everyone safe.
  • It was an official school rule that all students must wear their ID badges. (Here, official is used as an adjective to describe the rule).

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Chapter 3: Lesson 9-11

  1. Lesson 1

    Lesson 9: Special Families

  2. Lesson 2Current

    Lesson 10: Action in Office

  3. Lesson 3

    Lesson 11: Taking What Is Stated

Lesson overview

Expand to review the lesson summary and core properties.

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Section 1

The Root 'act': To Do, To Act

Get ready to put your vocabulary into action! These words all share the Latin root 'act,' which means 'to do' or 'to act.'

Key Words

active (adj.)activity (n.)
actor (n.)actually (adv.)
enact (v.)

📝Example Usage:

Section 2

The Root 'offic': Duty, Work

Time to get down to business! The following words are built on the Latin root 'offic,' meaning 'duty' or 'work.'

Key Words

officer (n.)official (n./adj.)officiate (v.)

📝Example Usage:

  • The police officer directed traffic after the accident to keep everyone safe.
  • It was an official school rule that all students must wear their ID badges. (Here, official is used as an adjective to describe the rule).

Book overview

Jump across lessons in the current chapter without opening the full course modal.

Continue this chapter

Chapter 3: Lesson 9-11

  1. Lesson 1

    Lesson 9: Special Families

  2. Lesson 2Current

    Lesson 10: Action in Office

  3. Lesson 3

    Lesson 11: Taking What Is Stated