[S1] LESSON 35 : EOY Revision – Numbers Updates/Debrief

[S1 Maths + Science PMCians]

What we did in 2 hours:

This lesson, we kicked-start our first lesson on Maths EOY Revision.

The topics covered include:

1) Prime Factorisation – We did a quick recap on prime factorisation and went through different types of questions related to HCF/LCM.

2) Real Number – A rational number is a number that can be written as a ratio of two integers whereas an irrational number can’t.

3) Approximation and Estimation – We recalled how to identify significant figures and approximate/estimate numbers to the required significant figure.


What you received:

Do take time to attempt the questions in Put On Your Oven Gloves for HCF & LCM.The solutions are available here: 



Special Mention:

Next lesson, we will finish off our Maths EOY Revision on Real Number and start on Algebra.


See you! 🙂



Your friendly tutors,

The S1MA+SCI Team

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