Class notes

Mathematics study notes

0 purchase

Course
Mathematics

Institution
8th Grade

Grade 8 notes documents can cover a variety of topics, including math, science, and reading, and can help students learn and understand concepts: Math A Grade 8 math notes document might cover topics like natural numbers, BODMAS, factors, multiples, prime numbers, and more

[Show more]

Preview 1 out of 2 pages

View example

Uploaded on November 16, 2024
Number of pages 2
Written in 2019/2020
Type Class notes
Professor(s) Mr naidoo
Contains Term 1- topic 1: whole numbers

grade 8

Institution 8th Grade
Course Mathematics
Schooljaar 103

TOPIC 1: WHOLE NUMBERS

GLOSSARY OF TERMS

Term and Explanation / Diagram

Whole Numbers The numbers 0 ; 1 ; 2; ; 3; ; 4……

Natural Numbers The numbers 1 ; 2 ; 3 ; 4 …….

BODMAS The order of operations that always needs to be followed.

Brackets ; Of ; Multiply and Divide ; Add and Subtract

Inverse operation The opposite operation that would ‘undo’ the last operation.

Addition and Subtraction are the inverse of each other.

Multiplication and Division are the inverse of each other.

Factors A number that can go into another number without a remainder.

Multiples A multiple of a number is that number multiplied by a natural number.

Commonly known as ‘times tables’.

Prime Numbers A number that has only two factors – one and itself.

The first five prime numbers are: 2 ; 3 ; 5 ; 7 ; 11

Composite numbers A number that has more than two factors.

The first five composite numbers are: 4 ; 6 ; 8 ; 9 ; 10

Highest Common factor (HCF):

The highest factor that can go into two or more numbers that is common to both of them.

For examples: the HCF of 10 and 15 is 5.

Lowest Common Multiple (LCM):

The lowest multiple of two or more numbers that is common to both of them.

For example: the LCM of 8 and 6 is 24.

Commutative An operation that works even if the numbers are swopped around.

Example : 5 + 2 is the same as 2 + 5

*Addition and multiplication are commutative.

*Division and subtraction are NOT commutative.

*Associative An operation that works if you start anywhere in the question.

Example: 3 + 6 + 5

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying this summary from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller alwande. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy this summary for R117,33. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

68175 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy summaries for 15 years now

Start selling