You will learn
- Write a topic sentence.
- Add supporting sentences.
- Write a concluding sentence.
- Keep to one idea.
Version 0.2 · expanded edition · built from cited public sources Content is based on the official frameworks and sources listed under Sources and standards. No official endorsement is claimed. Written in the style of common primary school assessments. No exam result is promised.
Student lesson
- Decide the one main idea.
- Write the topic sentence.
- Add 3 supporting sentences.
- End with a closing sentence.
Words to know
a group of sentences about one idea
a sentence stating the main idea
a sentence giving a detail or example
a sentence that wraps up the idea
1. Discover: A paragraph about rice
Rice is an important food in many countries. It is eaten at almost every meal in many homes. It grows well in warm, wet fields called paddies. Farmers plant, water and harvest it by hand or with machines. For these reasons, rice feeds billions of people.
Think: Which sentence is the topic sentence?
2. Understand: One idea, well built
Idea 1: Topic sentence
The topic sentence states the main idea of the paragraph: Rice is an important food in many countries.
Idea 2: Supporting sentences
Supporting sentences give details and examples: where rice grows and how it is farmed.
Idea 3: Concluding sentence
The concluding sentence wraps up: For these reasons, rice feeds billions of people. Keep every sentence on the one idea.
3. Worked examples
Example 1 (I show you): Topic
Which is the topic sentence?
- First.
Answer: Rice is an important food in many countries.
Example 2 (We do it together): Support
Give one supporting sentence.
- A detail.
Answer: It grows well in warm, wet fields called paddies.
Example 3 (You try): Conclude
Which is the concluding sentence?
Show the steps and answer
- Last.
Answer: For these reasons, rice feeds billions of people.
Did you know?
Paragraph breaks give readers a place to rest and show where a new idea begins.
Why this matters
Organised paragraphs make your ideas clear.
4. Explore: Build a paragraph
Write a paragraph.
- Choose a topic.
- Write a topic sentence.
- Add three supporting sentences.
- Add a concluding sentence.
Think about it: what did you notice?
You can organise a paragraph.
5. Practise
Say it in a sentence
Use these starters when you talk about the lesson. Say them out loud.
- ___ is important because ___.
- One reason is ___.
- For example, ___.
- For these reasons, ___.
Guided practice
Question 1. A group of sentences about one idea is a ___.
paragraph
Question 2. A sentence stating the main idea is a ___ sentence.
topic
Question 3. A sentence giving a detail is a ___ sentence.
supporting
Independent practice
Level 1: Start
- A group of sentences about one idea is a ___.
- A sentence stating the main idea is a ___ sentence.
- A sentence giving a detail is a ___ sentence.
- A sentence that wraps up is a ___ sentence.
- Rice grows in warm, wet ___.
Level 2: Grow
- What is rice called in its fields?
- What does rice feed?
- How is rice harvested?
Level 3: Stretch
- Should a paragraph stick to one idea?
- Does the topic sentence state the main idea?
- Is a concluding sentence needed?
Answers are in the answer key below. Try first, then check.
6. Apply: English in everyday life
Write a paragraph on a topic you know with all three parts.
Show a sample answer
a paragraph
Another one. Write a paragraph on a topic of your choice with a topic sentence and a conclusion.
Show a sample answer
a completed task
7. Common mistakes
Fix: Slow down and check your work.
Fix: Study the example first, then try.
8. Lesson summary and revision card
- I can write a topic sentence.
- I can add supporting sentences.
- I can write a concluding sentence.
- I can keep to one idea.
9. Check and master
Answer all 14 questions. You will see feedback after each one.
Your result appears here after you answer every question.
10. Key takeaways
- Decide the one main idea.
- Write the topic sentence.
- Add 3 supporting sentences.
- End with a closing sentence.
11. Next lesson
Next lesson: Introductions. Keep going with the next idea in this course.
Exam practice
These questions are written in the style of common school and international primary assessments. Try them on your own, without looking back. Then check your answers in the marking guide. The marks are shown in brackets.
- What is a paragraph? [1 mark]
- Name the three parts of a paragraph. [3 marks]
- Which sentence is the topic sentence of the rice paragraph? [1 mark]
- Write a topic sentence about maize. [1 mark]
- Explain how to write an organised paragraph. [3 marks]
Total: 9 marks.
Marking guide and model answers
- a group of sentences about one idea [1]
- topic sentence [1]; supporting sentences [1]; concluding sentence [1]
- Rice is an important food in many countries. [1]
- a clear statement of main idea [1]
- state the main idea in a topic sentence [1]; add supporting details on the same idea [1]; finish with a concluding sentence [1]
Score guide: 8 to 9 = secure. 6 to 7 = nearly there, revise the parts you missed. Under 6 = work through the lesson again with a grown-up.
Printable worksheet
- A group of sentences about one idea is a ___.
- A sentence stating the main idea is a ___ sentence.
- A sentence giving a detail is a ___ sentence.
- A sentence that wraps up is a ___ sentence.
- Rice grows in warm, wet ___.
- What is rice called in its fields?
- What does rice feed?
- How is rice harvested?
- Should a paragraph stick to one idea?
- Does the topic sentence state the main idea?
Homework
Write a paragraph on a topic of your choice with a topic sentence and a conclusion.
Answer key and marking scheme
| Question | Expected response | Marks |
|---|---|---|
| 1. A group of sentences about one idea is a ___. | paragraph | 1 |
| 2. A sentence stating the main idea is a ___ sentence. | topic | 1 |
| 3. A sentence giving a detail is a ___ sentence. | supporting | 1 |
| 4. A sentence that wraps up is a ___ sentence. | concluding | 1 |
| 5. Rice grows in warm, wet ___. | fields | 1 |
| 6. What is rice called in its fields? | paddies | 1 |
| 7. What does rice feed? | billions of people | 1 |
| 8. How is rice harvested? | by hand or with machines | 1 |
| 9. Should a paragraph stick to one idea? | yes | 1 |
| 10. Does the topic sentence state the main idea? | yes | 1 |
| Total | 10 |
Independent practice answers. Level 1: 1 paragraph; 2 topic; 3 supporting; 4 concluding; 5 fields. Level 2: 1 paddies; 2 billions of people; 3 by hand or with machines. Level 3: 1 yes; 2 yes; 3 yes.
Quiz answers: 1 B, 2 C, 3 A, 4 B, 5 C, 6 A, 7 B, 8 C, 9 A, 10 B, 11 C, 12 A, Challenge 1 B, Challenge 2 C.
Mastery and remediation
| Objective | Bronze (Developing) | Silver (Proficient) | Gold (Advanced) |
|---|---|---|---|
| O1 Write a topic sentence | Shows this with help from an adult or a picture | Does this independently and explains how they know | Explains it clearly and uses it in a new situation |
| O2 Add supporting sentences | Shows this with help from an adult or a picture | Does this independently and explains how they know | Explains it clearly and uses it in a new situation |
| O3 Write a concluding sentence | Shows this with help from an adult or a picture | Does this independently and explains how they know | Explains it clearly and uses it in a new situation |
| O4 Keep to one idea | Shows this with help from an adult or a picture | Does this independently and explains how they know | Explains it clearly and uses it in a new situation |
Courseversity badge thresholds (overall quiz score): Gold = 90–100%; Silver = 80–89.9%; Bronze = 70–79.9%. A badge is never a full record of progress.
If a learner struggles
- Find the misconception: Rushing without checking. Slow down and check your work.
- Explain another way: use real objects, pictures or actions first, then words.
- Show a simpler example: Re-read the examples slowly and use the sentence frames.
- Guided practice: work through one example together and let the learner try the next one.
- Reassess: use the quiz again or the worksheet.
- Move on when the learner shows Silver-level evidence independently.
For parents and guardians
In this lesson your child practises a key Grade 3 English skill with clear examples and a quiz. You do not need to be an expert to help.
- Listen while your child explains the idea.
- Ask for one new example.
- Praise effort and careful work.
- Ask “how do you know?” after each answer, and listen.
- Praise effort, not only right answers. Mistakes are how we learn.
- Ten to fifteen minutes a day is better than one long session.
Teacher package
1–5. Objectives, prerequisites, materials, preparation, duration
Lesson objectives. Learners will: write a topic sentence; add supporting sentences; write a concluding sentence; keep to one idea.
Prerequisite knowledge. Grade 3 writing.
Materials. Chart paper or board, pencils, picture or word cards, a reading book if available. Low-resource options: use chalk or charcoal on a board or wall, drawings in the sand, and objects from the classroom instead of printed materials.
Preparation. Write the key words and examples on the board or on cards before the lesson.
Suggested duration. 45–60 minutes. It can be split into two shorter sessions.
6–9. Teaching procedure, explanation notes, guided and independent activities
Introduction (5 min). Introduce the idea with the opening example.
Explanation (10 min). Teach the key words.
Guided activity (10 min). Practise together.
Independent activity (10 min). Check understanding with the quiz.
Assessment and reflection (5 min). Ask each learner to say one thing they learned and how they know it.
Key questions. What is the key idea? Can I give my own example?
Teacher explanation notes. Move from the spoken word to pictures and then to print. Read aloud often, point to the words, and let learners hear and say before they read and write.
10–12. Differentiation, formative assessment, common misconceptions
Support. Use the sentence frames and work with a partner. Extension. Create a harder example of your own.
Formative assessment. Listen to learners read and explain, ask “how do you know?”, and check the independent work.
Misconceptions. Rushing without checking. Slow down and check your work.
13–15. Assessment questions, answer keys, marking scheme
Use the quiz, the 9-mark exam practice and the worksheet on this page. All answers and marking guides are in the answer sections above. Re-check every answer before use.
16–19. Remediation, enrichment, homework, teacher reflection
Remediation. Re-read the examples slowly and use the sentence frames. Enrichment. Make up your own example and teach it to someone at home. Homework. See above.
Teacher reflection. After teaching, record: which ideas learners understood; which misconceptions occurred; which activities worked; which learners need more practice; and what to improve next time.
Sources and standards
This lesson is based on the sources below, and no official endorsement is claimed. Reference starting points: Common Core State Standards for English Language Arts, Cambridge Primary and the IB Primary Years Programme. Where a standard code is named, it points to the official framework.
Official standards for this topic area. Common Core State Standards for English Language Arts (official site): Grade 4 » Writing; Grade 4 » Language. These pages list the standards that cover this topic area; read them alongside the lesson.
Research used to shape this lesson. Common Core W.4.2a and W.4.2d (introduce a topic clearly and group related information in paragraphs); Cambridge Primary English Stage 4 (paragraphing). These sources informed the lesson.