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Author's Purpose & Text Structure

Grade 3 · Stretch challenge · 8 questions · Version PG-1K7M6D6-16IP

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

A primary source comes from the time studied. A secondary source interprets evidence later. What is the author's main purpose?

2.

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

3.

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

4.

Engineers revised a bridge model after its center bent. They added supports and tested again. How is this text mainly organized?

5.

A budget lists expected income and expenses. Comparing them helps a family plan spending. What is the author's main purpose?

6.

Warm ocean water adds energy to tropical storms. Cooler water usually weakens them. How is this text mainly organized?

7.

Pollinators move pollen between flowers. Without this transfer, many plants make fewer fruits. How is this text mainly organized?

8.

Some seeds travel on fur, while others float on wind or water. Each method spreads seeds. 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 6
  1. A primary source comes from the time studied. A secondary source interprets evidence later. What is the author's main purpose?To distinguish primary and secondary sources
  2. The council compared three playground plans for cost, safety, and accessibility before voting. How is this text mainly organized?Sequence
  3. 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
  4. Engineers revised a bridge model after its center bent. They added supports and tested again. How is this text mainly organized?Problem and solution
  5. A budget lists expected income and expenses. Comparing them helps a family plan spending. What is the author's main purpose?To explain why people use budgets
  6. Warm ocean water adds energy to tropical storms. Cooler water usually weakens them. How is this text mainly organized?Cause and effect
  7. Pollinators move pollen between flowers. Without this transfer, many plants make fewer fruits. How is this text mainly organized?Cause and effect
  8. 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

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.