TMO Mathematics

This page aims to provide learning about math and entertainment using math.

05/06/2024

LCM (questions with choices)

Full YT video link:
https://youtu.be/xJSDe52nopo

22/03/2024

LCM (three given numbers)

Sometimes, there are only two given numbers, but sometimes, there are three. The techniques for finding the LCM of two and three numbers have small differences, that are worth knowing.

YT video link
https://youtu.be/IKa2Binregc

22/03/2024

LCM (Ladder Method)

This is the best method of all methods. It is very effective for both small and big numbers.

YT video link
https://youtu.be/qMuPJHmUlSQ

19/03/2024

LCM (Prime Factorization Method)

This method is useful when the given numbers are relatively high such as two-digit numbers usually given in exams. Make you master this one.

YT video link
https://youtu.be/rKaZHB6pkzo

YT channel link
https://www.youtube.com//videos

18/03/2024

LCM (Listing Method)

This is one way to find the LCM of two or more given numbers. Normally, it is very effective when the given numbers are relatively low and have no common factors except 1.

YT video link
https://youtu.be/_7h3ssmiyl0

YT channel link
https://www.youtube.com//videos

https://youtu.be/_7h3ssmiyl0

15/03/2024

Least Common Multiple (LCM)

RELATED VIDEOS
1. Prime Factorization
https://youtu.be/O5O4ESbEMKQ
2. Divisibility Rules
Part 1: https://www.youtube.com/watch?v=pW9rIinP7-I
Part 2: https://www.youtube.com/watch?v=nXJmt99dU7E&t=46s
Part 3: https://www.youtube.com/watch?v=_pxF0ftMQDg&t=1s
Part 4: https://www.youtube.com/watch?v=-WJqCKHD4g4&t=25s
Part 5: https://www.youtube.com/watch?v=BRZmDGceCTA
3. Greatest Common Factor (GCF)
https://youtu.be/yE9-RdwKXF0

YT video link: https://youtu.be/VrxDbRCLxWA

14/03/2024

A faster way to find the GCF with the given choices

Short quiz link
https://docs.google.com/forms/d/1P65kDMri97iDU6dmFlxuK2OOcik06FbGvalzOzj1Qs0/viewform?edit_requested=true

RELATED VIDEOS
1. Greatest Common Factor (GCF)
Episode 1: https://youtu.be/yE9-RdwKXF0
Episode 2: https://youtu.be/WAd-nxGGyyQ
2. Parts of Equations Involving One Basic Operation
https://www.youtube.com/watch?v=zmAUfYdK3-Q&t=9s
3. Divisibility Rules
Part 1: https://www.youtube.com/watch?v=pW9rIinP7-I
Part 2: https://www.youtube.com/watch?v=nXJmt99dU7E&t=46s
Part 3: https://www.youtube.com/watch?v=_pxF0ftMQDg&t=1s
Part 4: https://www.youtube.com/watch?v=-WJqCKHD4g4&t=25s
Part 5: https://www.youtube.com/watch?v=BRZmDGceCTA

13/03/2024

GCF (Examples and Exercises)

This video includes even more examples of problems involving finding the GCF of two or more numbers.

RELATED VIDEOS
1. Greatest Common Factor (GCF)
https://youtu.be/yE9-RdwKXF0
2. Parts of Equations Involving One Basic Operation
https://www.youtube.com/watch?v=zmAUfYdK3-Q&t=9s
3. Divisibility Rules
Part 1
https://www.youtube.com/watch?v=pW9rIinP7-I
Part 2
https://www.youtube.com/watch?v=nXJmt99dU7E&t=46s
Part 3
https://www.youtube.com/watch?v=_pxF0ftMQDg&t=1s
Part 4
https://www.youtube.com/watch?v=-WJqCKHD4g4&t=25s
Part 5
https://www.youtube.com/watch?v=BRZmDGceCTA

YT video link
https://youtu.be/WAd-nxGGyyQ

YT channel link
https://www.youtube.com//videos

12/03/2024

GCF

This topic is a fundamental one. This would help you understand the simplification of fractions (finding its lowest term) which is important in most topics involving fractions.

YT video link
https://youtu.be/yE9-RdwKXF0

YT channel link
https://www.youtube.com/channel/UCnDJLhqefemdtHG8YOBcW-w