Virginia SOL 3.RV.1.C

ELA3rd GradeReading and Vocabulary

The Standard

Determine the meaning of complex words using frequently occurring root words and inflectional affixes (e.g. -s, -ing, -ed).

Virginia Standards of Learning for English · Vocabulary Development and Word Analysis

Teacher's field guide

What This Standard Means

What Students Need to Do

Students separate a familiar base word from endings such as -s, -ing, and -ed. They combine the base meaning with the ending’s job, then check the sentence to explain the whole word.

What Mastery Looks Like

Given words such as plants, planted, and planting, a student identifies plant as the base and explains how each ending changes the meaning. The student uses context to decide whether -s marks a plural noun or a present-tense verb.

Common Misconceptions

Students may call every final s an ending, so they split bus into bu and s. They may think -s always means more than one, missing its job in runs. They may overlook spelling changes in stopped or carried and choose the wrong base word.

How to Assess It

Give this exit ticket: “The gardener planted seeds yesterday.” Students circle the base word in planted, underline the ending, and explain the word’s meaning.

Lesson moves

Ways to Teach It

  1. Give pairs word tiles for jump, plant, -s, -ing, and -ed, then have them build words and explain each meaning.

  2. Ask students to write how the meaning changes across “dogs bark,” “a dog barks,” and “the dog barked.”

  3. Play Base Word Detective: display an inflected word, and teams earn points for naming the base, ending, and whole-word meaning.

  4. Use a lunch menu or class notice to find words ending in -s, -ing, or -ed and explain them in context.

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