Pei Hwa Presbyterian Primary
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notabox:
A + B = 23 => one is an even number, the other is an odd numberHi Parents,
For a qn like this: A + B = 23 and A - B = 9. What is the value of A and B?
Is there a way to narrow down the number range before applying the guess and check method?
or other method should be used to solve such qn?
Please help, TIA!
becos A + B = 23 is more than 10, hv to consider double digit number for one of the number.
Then use number bond method to solve via guess & check for the lower pri level -
drickymummy:
He always wanted only gal leh..he was disappointed the first time n this time again.
I wanted to have only boys. Though I wish to hv a girl now, it is kind of too late- no energy n no time n not in tip top condition.
Hubby's 1st sister is going to deliver in 2 weeks time but weight of baby < 2kg.
My brother's wife also had a baby when she was past 40 years old. The baby also weighed < 2kg and had to stay in the ICU for many days, then in the hospital for almost a mth before can discharge.
During my prime years, both of boys weighed only 2.5 kg. I cant imagine if I were to hv a 3rd one, how light it would be :nailbite: -
php:
the best way is to start from the middle....ie 12...and increase/decrease the value thereafter...
got it, thank you!php:
do you mean that a min. of 3 combinations must be shown in the workings? Ds likes to pick a number he fancies and sometimes, he could get it right with the first combination. Does he need to list another 2 entries still?for guess and check method, PSLE's requirement is minimum 3 entries...so train your kid to do at least 3 entries in his/her solution....
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notabox:
even the first pick is the correct answer, must teach them to leave it for the last entry....fill the first 2 entries with the wrong answer....php:
the best way is to start from the middle....ie 12...and increase/decrease the value thereafter...
got it, thank you!php:
do you mean that a min. of 3 combinations must be shown in the workings? Ds likes to pick a number he fancies and sometimes, he could get it right with the first combination. Does he need to list another 2 entries still?for guess and check method, PSLE's requirement is minimum 3 entries...so train your kid to do at least 3 entries in his/her solution....
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php:
even the first pick is the correct answer, must teach them to leave it for the last entry....fill the first 2 entries with the wrong answer....
I see, thanks for advice! -
buds:
Bringing the boy boy home means HE is the ONE ! I think FQW will scan boy from head to toe at the doorstep. :rotflmao:Janet, can also be like Meet The Fockers!
His nick starts with \"F\" mah. :rotflmao: Am sure he'd want to scan the ILs as well! Not just the ah-boi must match his expectations... the ILs must not be like those from our ILs thread!
Drickymummy, in the first place I dun think he would allow his ah-ger to even have a boyfriend. What more bring the boi home..
Looks like our poor sons will be scrutinized by their future in-laws. -
Got the form for P1 registration form from DS...my DD is going to register under Phase 1......wat a breeze this year!....no more emotional rollercoaster or heart-attacks, no more moving house, no more sleepless nites... :imcool: By the way...DD also qualify for Phase 2A for St Nicks...but DD wants to be in same sch with kor kor...and my whole family wants both of them in the same sch..so i lose my vote.
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XYZ1:
Got the form for P1 registration form from DS...my DD is going to register under Phase 1......wat a breeze this year!....no more emotional rollercoaster or heart-attacks, no more moving house, no more sleepless nites... :imcool: By the way...DD also qualify for Phase 2A for St Nicks...but DD wants to be in same sch with kor kor...and my whole family wants both of them in the same sch..so i lose my vote.
I enjoyed that privilege 3 years ago
My hubby said register daughter in all girls school bcos he likes the idea of her going to single sex school. Daughter was asked which school she wanted to attend. Her reply, 'same school as mummy'. My son hopes to attend all boys sec school. So I encouraged him to work very hard.
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Jennifer:
Jennifer, do you mean to say that the older we are... we are prone to having smaller/lighter kids? 2.5kg is really small.Hubby's 1st sister is going to deliver in 2 weeks time but weight of baby < 2kg.
My brother's wife also had a baby when she was past 40 years old. The baby also weighed < 2kg and had to stay in the ICU for many days, then in the hospital for almost a mth before can discharge.
During my prime years, both of boys weighed only 2.5 kg. I cant imagine if I were to hv a 3rd one, how light it would be :nailbite:
I have experience with NICU with my 2.4kg DD1. She was early by like 3 weeks, extremely jaundiced, extremely sickly. Now she has just recovered from her over-weight status. -
janet_lee88:
He got say he may come to a point where \"no ah-boi\" will be good enuff for his DD. :faint:
Bringing the boy boy home means HE is the ONE ! I think FQW will scan boy from head to toe at the doorstep. :rotflmao: Looks like our poor sons will be scrutinized by their future in-laws.buds:
Janet, can also be like Meet The Fockers!
His nick starts with \"F\" mah. :rotflmao: Am sure he'd want to scan the ILs as well! Not just the ah-boi must match his expectations... the ILs must not be like those from our ILs thread!
Drickymummy, in the first place I dun think he would allow his ah-ger to even have a boyfriend. What more bring the boi home..
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