You will learn
- Write a topic sentence.
- Add details.
- Explain the evidence.
- Close the paragraph.
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
- Topic sentence.
- Details.
- Explain.
- Closing sentence.
Words to know
a sentence stating the paragraph’s main point
a fact or example that develops the topic
a sentence that wraps up the paragraph
all sentences focused on one idea
1. Discover: A model paragraph
Mangrove forests protect coastlines. (topic sentence) Their tangled roots slow waves, which reduces erosion. For example, villages behind mangroves suffered less storm damage. (supporting details) This shows that mangroves act as natural barriers. (explanation) Therefore, protecting mangroves protects people. (closing sentence)
Every sentence focuses on one idea, giving paragraph unity.
Think: What does each sentence do?
2. Understand: Building a paragraph
Idea 1: Parts
A paragraph has a topic sentence, supporting details, explanation and a closing sentence.
Idea 2: Unity
Keep paragraph unity: one idea only.
Idea 3: Order
Order sentences logically with transitions.
3. Worked examples
Example 1 (I show you): Topic
What is the topic sentence?
- Mangroves protect.
Answer: mangrove forests protect coastlines
Example 2 (We do it together): Detail
Name a detail.
- Roots slow waves.
Answer: roots slow waves or villages suffered less damage
Example 3 (You try): Closing
What is the closing sentence?
Show the steps and answer
- Protecting mangroves.
Answer: protecting mangroves protects people
Did you know?
Many readers skim topic sentences first to understand a text quickly.
Why this matters
Well-built paragraphs make your explanation easy to follow.
4. Explore: Paragraph builder
Write a paragraph.
- Write a topic sentence.
- Add two details.
- Explain them.
- Add a closing sentence.
Think about it: what did you notice?
You can write a paragraph.
5. Practise
Say it in a sentence
Use these starters when you talk about the lesson. Say them out loud.
- The topic is ___.
- A detail is ___.
- This shows ___.
- In conclusion ___.
Guided practice
Question 1. A sentence stating the main point is the ___ sentence.
topic
Question 2. A fact or example developing it is a ___ detail.
supporting
Question 3. A sentence wrapping up is the ___ sentence.
closing
Independent practice
Level 1: Start
- A sentence stating the main point is the ___ sentence.
- A fact or example developing it is a ___ detail.
- A sentence wrapping up is the ___ sentence.
- One idea only is paragraph ___.
- Mangrove roots slow ___.
Level 2: Grow
- What reduces erosion?
- What did villages suffer less of?
- What word signals the closing sentence?
Level 3: Stretch
- Is the topic sentence first?
- Should all sentences relate?
- Is unity one idea?
Answers are in the answer key below. Try first, then check.
6. Apply: English in everyday life
Write one explanatory paragraph with all four parts.
Show a sample answer
a paragraph
Another one. Read a paragraph to a family member and ask them to name the topic sentence.
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 details.
- I can explain the evidence.
- I can close the paragraph.
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
- Topic sentence.
- Details.
- Explain.
- Closing sentence.
11. Next lesson
Next lesson: Cause-and-effect writing. 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.
- Name the four parts of a paragraph. [4 marks]
- What is paragraph unity? [1 mark]
- Write a topic sentence about clean water. [1 mark]
- Identify the closing sentence in the mangrove paragraph. [1 mark]
- Explain how to write an explanatory paragraph. [3 marks]
Total: 10 marks.
Marking guide and model answers
- topic sentence [1]; supporting details [1]; explanation [1]; closing sentence [1]
- all sentences focus on one idea [1]
- a clear main point such as clean water improves health [1]
- therefore, protecting mangroves protects people [1]
- state the topic [1]; add details and explain them [1]; close and keep unity [1]
Score guide: 9 to 10 = secure. 6 to 8 = nearly there, revise the parts you missed. Under 6 = work through the lesson again with a grown-up.
Printable worksheet
- A sentence stating the main point is the ___ sentence.
- A fact or example developing it is a ___ detail.
- A sentence wrapping up is the ___ sentence.
- One idea only is paragraph ___.
- Mangrove roots slow ___.
- What reduces erosion?
- What did villages suffer less of?
- What word signals the closing sentence?
- Is the topic sentence first?
- Should all sentences relate?
Homework
Read a paragraph to a family member and ask them to name the topic sentence.
Answer key and marking scheme
| Question | Expected response | Marks |
|---|---|---|
| 1. A sentence stating the main point is the ___ sentence. | topic | 1 |
| 2. A fact or example developing it is a ___ detail. | supporting | 1 |
| 3. A sentence wrapping up is the ___ sentence. | closing | 1 |
| 4. One idea only is paragraph ___. | unity | 1 |
| 5. Mangrove roots slow ___. | waves | 1 |
| 6. What reduces erosion? | tangled roots slowing waves | 1 |
| 7. What did villages suffer less of? | storm damage | 1 |
| 8. What word signals the closing sentence? | therefore | 1 |
| 9. Is the topic sentence first? | usually | 1 |
| 10. Should all sentences relate? | yes | 1 |
| Total | 10 |
Independent practice answers. Level 1: 1 topic; 2 supporting; 3 closing; 4 unity; 5 waves. Level 2: 1 tangled roots slowing waves; 2 storm damage; 3 therefore. Level 3: 1 usually; 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 details | 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 Explain the evidence | 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 Close the paragraph | 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 details; explain the evidence; close the paragraph.
Prerequisite knowledge. Supporting evidence.
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 10-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 6 » Writing; Grade 6 » 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.6.2 and W.6.4 (write informative texts; produce clear and coherent writing); Cambridge Primary English Stage 6 (paragraphing). These sources informed the lesson.