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Author's Purpose & Text Structure

Grade 3 · Building confidence · 8 questions · Version PG-1HADMS9-R4TK

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

A pond is smaller than a lake, but both are freshwater habitats that support living things. What is the author's main purpose?

2.

Some seeds travel on fur, while others float on wind or water. Each method spreads seeds. How is this text mainly organized?

3.

Mina read two reports about one event. She checked their sources before trusting the details. What is the author's main purpose?

4.

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

5.

During winter, a fox grows a thicker coat. The extra fur traps air and helps it stay warm. What is the author's main purpose?

6.

During winter, a fox grows a thicker coat. The extra fur traps air and helps it stay warm. How is this text mainly organized?

7.

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

8.

A lever is a rigid bar that turns around a fixed point. Moving that point changes the effort needed. How is this text mainly organized?

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 9
  1. A pond is smaller than a lake, but both are freshwater habitats that support living things. What is the author's main purpose?To compare ponds and lakes
  2. Some seeds travel on fur, while others float on wind or water. Each method spreads seeds. How is this text mainly organized?Compare and contrast
  3. Mina read two reports about one event. She checked their sources before trusting the details. What is the author's main purpose?To show how Mina evaluated information
  4. Warm ocean water adds energy to tropical storms. Cooler water usually weakens them. How is this text mainly organized?Cause and effect
  5. During winter, a fox grows a thicker coat. The extra fur traps air and helps it stay warm. What is the author's main purpose?To explain how fur helps a fox in winter
  6. During winter, a fox grows a thicker coat. The extra fur traps air and helps it stay warm. How is this text mainly organized?Cause and effect
  7. 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
  8. A lever is a rigid bar that turns around a fixed point. Moving that point changes the effort needed. How is this text mainly organized?Cause and effect

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.