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Author's Purpose & Text Structure

Grade 3 · Stretch challenge · 8 questions · Version PG-1JDNDA9-16IP

Children investigate a leaf and a frog with a caregiver beside a pond.
1.

Warm ocean water adds energy to tropical storms. Cooler water usually weakens them. What is the author's main purpose?

2.

City trees shade sidewalks, absorb rainwater, and provide shelter for birds and insects. How is this text mainly organized?

3.

City trees shade sidewalks, absorb rainwater, and provide shelter for birds and insects. What is the author's main purpose?

4.

The council compared three playground plans for cost, safety, and accessibility before voting. How is this text mainly organized?

5.

Some seeds travel on fur, while others float on wind or water. Each method spreads seeds. What is the author's main purpose?

6.

Pollinators move pollen between flowers. Without this transfer, many plants make fewer fruits. What is the author's main purpose?

7.

A primary source comes from the time studied. A secondary source interprets evidence later. How is this text mainly organized?

8.

Engineers revised a bridge model after its center bent. They added supports and tested again. What is the author's main purpose?

Answers and teaching notes

Use the answers to check the work after the learner finishes. For writing prompts, the guide describes what a strong response should include.

Show answers for version 3
  1. Warm ocean water adds energy to tropical storms. Cooler water usually weakens them. What is the author's main purpose?To explain how ocean temperature affects storms
  2. City trees shade sidewalks, absorb rainwater, and provide shelter for birds and insects. How is this text mainly organized?Description
  3. City trees shade sidewalks, absorb rainwater, and provide shelter for birds and insects. What is the author's main purpose?To explain benefits of city trees
  4. The council compared three playground plans for cost, safety, and accessibility before voting. How is this text mainly organized?Sequence
  5. Some seeds travel on fur, while others float on wind or water. Each method spreads seeds. What is the author's main purpose?To compare methods of seed dispersal
  6. Pollinators move pollen between flowers. Without this transfer, many plants make fewer fruits. What is the author's main purpose?To explain the importance of pollinators
  7. A primary source comes from the time studied. A secondary source interprets evidence later. How is this text mainly organized?Compare and contrast
  8. Engineers revised a bridge model after its center bent. They added supports and tested again. What is the author's main purpose?To show how testing improves a design

Worked example

Use the author's choices and relationships between ideas to identify purpose and organization.

Common mistake

Choosing a structure from one transition word alone.

Helpful hint

Summarize how ideas relate across the whole passage.