Grade 9 Notes: All CBC Subjects (Kenya, 2026)

Last reviewed: 31 October 2026

Updated October 2026. Grade 9 notes for all CBC learning areas in Kenya: short, original revision notes on the key topics in English, Kiswahili, Mathematics, Integrated Science, Social Studies, Agriculture and Nutrition, Pre-Technical Studies, Religious Education (CRE). Each section gives the core idea in plain words with an example, followed by free practice on the Grade 9 CBC Challenge and CBC quizzes. They follow the topics commonly taught in Grade 9 and build toward KJSEA at the end of Grade 9.

What to focus on in Grade 9

Grade 9 ends with KJSEA, and the results feed Grade 10 placement. Revise all three junior school years, not just Grade 9 topics. Do timed papers under exam conditions, review every mistake, and complete the Agriculture and other project work on time. Talk early about senior school pathways so subject choices fit your child’s strengths.

How to use these Grade 9 notes

1. Read one learning area a day.
2. Close the page and say or write the key points from memory.
3. Try ten questions on the Grade 9 challenge and check which topics you missed.

Grade 9 English notes

Comprehension

Infer the writer’s attitude and tone.

Grammar

Clauses, phrases and conditionals (‘If I had studied, I would have passed’).

Writing

Compositions and functional writing for KJSEA.

Grade 9 Kiswahili notes

Sarufi

Nyakati, hali na upatanisho.

Insha

Insha za kiuamilifu: barua, ripoti, hotuba.

Fasihi

Ushairi: beti, vina na mizani.

Grade 9 Mathematics notes

Algebra

Factorise x² + 5x + 6 = (x + 2)(x + 3).

Geometry and measurement

Area of a circle = πr²; volume of a cylinder = πr²h.

Probability and statistics

Probability = favourable outcomes ÷ total outcomes.

Grade 9 Integrated Science notes

Matter and the periodic table

Elements, compounds and mixtures; the first 20 elements.

Electricity and magnetism

Series and parallel circuits; magnets have north and south poles.

Human body systems

Digestive, respiratory and circulatory systems and their health.

Grade 9 Social Studies notes

Kenya and the world

International organisations: UN, AU, EAC.

Economic activities

Agriculture, tourism, industry.

Governance and human rights

The Bill of Rights in the Constitution.

Grade 9 Agriculture and Nutrition notes

Crop and animal production

Field practices and livestock health.

Agricultural project

Planning, records and reporting.

Nutrition

Meal planning for different groups.

Grade 9 Pre-Technical Studies notes

Technical drawing

Orthographic projection: front, side and top views.

Materials and tools

Joining methods: nails, screws, glue, welding.

Computing and business

Spreadsheets for budgets; simple business records.

Grade 9 Religious Education (CRE) notes

Prophets

Lessons from Elijah and Amos.

The early church

Pentecost and the spread of the gospel.

Christian ethics

Work, leisure and relationships.

Grade 9 quick self-test with answers

1. Factorise x² + 7x + 12.

Answer: (x + 3)(x + 4).

2. Find the area of a circle of radius 7 cm (π = 22/7).

Answer: 154 cm².

3. A bag has 3 red and 2 blue balls. Find P(red).

Answer: 3/5.

4. Name the three views in orthographic projection.

Answer: Front, side (end) and top (plan) views.

5. Give one difference between series and parallel circuits.

Answer: In series the same current flows through each component; in parallel each branch gets the full voltage.

6. Name two members of the East African Community.

Answer: Kenya and Tanzania.

7. What is a mixture?

Answer: Two or more substances combined physically, which can be separated by physical means.

Grade 9 notes term by term

Schools order topics differently, so use these notes alongside your child’s exercise books. Term 1 usually revisits the previous grade and starts the main number and reading topics, Term 2 carries the heaviest content, and Term 3 is for revision and end-of-year assessment. Printed revision papers for this grade are on Grade 9 revision papers.

Get ahead for January

The Ready for Grade 9 in January, KSh 500 course turns these topics into a short daily plan before school opens. See also 2027 reporting dates.

Frequently asked questions

Where can I get Grade 9 notes for all subjects?

This page summarises the key topics in every Grade 9 learning area, with links to practice.

Are these Grade 9 notes PDF downloads?

They are web notes you can read on any phone and print from the browser.

Do these notes follow the CBC curriculum?

They cover topics commonly taught in Grade 9 under CBC. They are independent study notes, not official curriculum documents.

How can my child test what they learnt?

Use the free Grade 9 CBC Challenge, then unlock full papers with a pass.

Want marked practice? Try any quiz free, then a Day Pass (KSh 20) or Weekly Pass unlocks full papers with answers. See all passes.

Keep revising with these: AI Starter Holiday Course for Kids (Grades 4–9); Grade 9 Social Studies Revision Guide: 5 Strands in Brief; Grade 9 Agriculture and Nutrition Revision Guide; Grade 9 Maths Revision Guide: Inequalities, Bearings, Money, Volume and Indices.