Number systems and integers notes

Sections

Number systems and classification of real numbers

This section is the real-number system: how natural, whole, integer, rational and irrational numbers nest inside $\mathbb{R}$ , and how to classify a given number. Stay with sets and classification. The…

Operations with integers and prime factorisation

This section is operations with integers and prime factorisation for HCF and LCM. You will add, subtract, multiply and divide integers, apply BODMAS, and write numbers as products of prime factors…

Common questions

Can’t find your answer? Contact us

What is covered in Number systems and integers for Grade 9 Mathematics?

The Number systems and integers section covers all key concepts from the Grade 9 Mathematics CAPS curriculum, including detailed explanations, worked examples, and exam preparation tips.

Are the Number systems and integers notes free?

Yes. Each section has a free preview, and a free Hlayiso account lets you read the full notes.

How do these notes help with exam preparation?

Our Number systems and integers notes are CAPS-aligned and include worked examples, common mistakes to avoid, and exam tips — everything you need to prepare for your Grade 9 Mathematics exams.

Are there quizzes for Number systems and integers?

Yes. Hlayiso has quizzes for Number systems and integers in Grade 9 Mathematics. Test your understanding after reading the notes.

Study Number systems and integers on Hlayiso

Create a free account to read the full Grade 9 Mathematics notes and track your progress.

Start free

Free plan available. Paid plans from R49 a month.

Number systems and integers notes

Sections

Other topics

Common questions

Study Number systems and integers on Hlayiso