## Lower Secondary Mathematics

### Re: Lower Secondary Mathematics

Hi

I need help to clarify on natural number. Can someone help on this?

Is "0" included in a natural number?

What about fraction/decimals? Are they included in natural number?

Can explain? Thank you in advance.

I need help to clarify on natural number. Can someone help on this?

Is "0" included in a natural number?

What about fraction/decimals? Are they included in natural number?

Can explain? Thank you in advance.

- BayMax_dad
- YellowBelt
**Posts:**19**Joined:**Wed Jan 21,

### Re: Lower Secondary Mathematics

Hi, anyone enroll their kids with SmartLab before? Heard they are now introducing their year end holiday programs with revision classes, enrichments classes, labs and also head start classes. Should be a good opportunity to enroll my kids so they can learn something during the 2 months school holidays if not this long break will make them forget what they learnt before and it’s always good to start early. Lol good to be kiasu abit.

### Re: Q&A - PSLE Math

Hi everyone!

Why is (2/3x-2) - (1/ 2-3x) = (3/3x-2) [Note: They are all fractions]

Thank you!

Why is (2/3x-2) - (1/ 2-3x) = (3/3x-2) [Note: They are all fractions]

Thank you!

### Re: Q&A - PSLE Math

Doesn't look like psle question. Anyway....PollutedS wrote:Hi everyone!

Why is (2/3x-2) - (1/ 2-3x) = (3/3x-2) [Note: They are all fractions]

Thank you!

(2/3x-2) + [1/-(2-3x)] = 2/3x-2 + 1/3x-2 = 3/3x-2

Might be MO kind but I'm not sure. Definitely not psle so no worries.

- Swift Formula
- BlueBelt
**Posts:**246**Joined:**Thu Jun 25,**Total Likes:**2

### Re: Q&A - PSLE Math

PollutedS wrote:Hi everyone!

Why is (2/3x-2) - (1/ 2-3x) = (3/3x-2) [Note: They are all fractions]

Thank you!

*Right Click -> View Image*

This forum likes to post square images only

This is secondary school level

Proving LeftHandSide = RightHandSide

LHS = RHS

### Re: Q&A - PSLE Math

PollutedS wrote:Hi everyone!

Why is (2/3x-2) - (1/ 2-3x) = (3/3x-2) [Note: They are all fractions]

Thank you!

chk two denominators :

3x-2 vs 2-3x

if 2-3x can be re-written as...

2-3x = -(3x-2)

...

### Re: Lower Secondary Mathematics

wouldn't it be great if there were online 'tuition' services that help our kids with homework - like online tutors who can explain to our kids how to do math questions. homework these days are so difficult.

### Re: Lower Secondary Mathematics

Hi,

Is looking for sec 1 Maths textbook "New Syllabus Mathematics 6th Edition by publisher Shinglee" Anyone willing to let go? Is orange with green book cover. Kindly let me know if you have this book.

TIA

Is looking for sec 1 Maths textbook "New Syllabus Mathematics 6th Edition by publisher Shinglee" Anyone willing to let go? Is orange with green book cover. Kindly let me know if you have this book.

TIA

### Re: Lower Secondary Mathematics

Need help with the following question. Thanks in advance.

The length of a rectangle is 20 m, correct to the nearest metre. If the area of the field is 332m2, correct to the nearest square metre, find the least possible breadth of the field, giving your answer correct to 3 significant figures.

The length of a rectangle is 20 m, correct to the nearest metre. If the area of the field is 332m2, correct to the nearest square metre, find the least possible breadth of the field, giving your answer correct to 3 significant figures.