Q&A - P3 Math

[teh_oh]

ksi:

teh_oh:

Hi Champion,

Long time no see.
I think ksi's answer is correct. Mine has typo error at the working; '102' mis-type into '120'. Had gotten child to check my model, but didn't get him to check my working. :oops: sorry.

teh-oh...no problem..... I actually withdrew my solution and wanted to do a check when I saw it differed from yours but too late... So you see...I also think I can make mistake cos we don't do it daily. What's important is we are all willing to share. :celebrate:

Hi ksi,
So embarrassed. The first time I attempted to use Excel to draw a model. Got child to check model to ensure I drew it correctly, but made the careless mistakes that regular P3-ers did :oops: .

[teh_oh]

Champion:

teh_oh:

[quote=\"Champion\"]
:thankyou: teh_oh! :salute: :hugs: Long time \"No See you around\" :snuggles:

:hugs:
Being busy with 'school' since start of the term. Child fell sick over the last long weekend. Has not done any 'real work' since school starts, or else you would have seen me at Science Thread.

H! teh_oh,
Appreciates your answer for the model :thankyou:

Me mind block and DD1 has Maths h/w tohand up by tmr .

Has no much chance to really sit down to do revision as weekend burnt due to her involvement in NDP Rehearsal [/quote]Hi Champion,
Your new avatar is very cute.
NDP Rehearsal is once-in-the-school-lifetime experiences. CA2 is after NDP. Still have time.

[corneyAmber]

teh_oh:

ksi:

[quote=\"teh_oh\"]Hi Champion,

Long time no see.
I think ksi's answer is correct. Mine has typo error at the working; '102' mis-type into '120'. Had gotten child to check my model, but didn't get him to check my working. :oops: sorry.

teh-oh...no problem..... I actually withdrew my solution and wanted to do a check when I saw it differed from yours but too late... So you see...I also think I can make mistake cos we don't do it daily. What's important is we are all willing to share. :celebrate:

Hi ksi,
So embarrassed. The first time I attempted to use Excel to draw a model. Got child to check model to ensure I drew it correctly, but made the careless mistakes that regular P3-ers did :oops: .[/quote]Don't be embarassed teh-oh...we are humans, allowed to make mistakes...afterall we are not drilling daily like the kids....my kid is also better than me in many things, I just take it that this is how nature works...so we have a chance to smell the roses when the young ones take over some of these challenging stuff from us. :hi5:

[Champion]

:thankyou: ksi & teh_oh for taken the time to post the answer! :udawoman: :udawoman:


Spent another hour with DD1 for other Maths problems ...Guess over this weekend, mummy here has to do brush up some reading and doing some \"Maths Problem Sums\" lioa :nailbite: :scared: ......Hope I won't :snooze: :snooze:

[chloecube]

hi all,


i need some expert help on these 2 sums :thankyou:

1) A number is a multiple of 3. It is between 10 and 40. It is also a factor of 45. What is the number?

is the answer : 15?

2) There are 943 apples in Box X and Box Y. There are 785 apples in Box Y and Box Z. How many apples are there in Box X than in Box Z?

[MathIzzzFun]

chloecube:

hi all,


i need some expert help on these 2 sums :thankyou:

1) A number is a multiple of 3. It is between 10 and 40. It is also a factor of 45. What is the number?

is the answer : 15?

2) There are 943 apples in Box X and Box Y. There are 785 apples in Box Y and Box Z. How many apples are there in Box X than in Box Z?

Hi

1) yes.

2)
[Box Y][**Box X**] = 943
[Box Y][*Box Z*] = 785
So [**Box X**] - [*Box Z*] = 943 - 785 = 158
There were 158 more apples in Box X than in Box Z.

cheers.

[chloecube]

MathIzzzFun:

chloecube:

hi all,


i need some expert help on these 2 sums :thankyou:

1) A number is a multiple of 3. It is between 10 and 40. It is also a factor of 45. What is the number?

is the answer : 15?

2) There are 943 apples in Box X and Box Y. There are 785 apples in Box Y and Box Z. How many apples are there in Box X than in Box Z?

Hi

1) yes.

2)
[Box Y][**Box X**] = 943
[Box Y][*Box Z*] = 785
So [**Box X**] - [*Box Z*] = 943 - 785 = 158
There were 158 more apples in Box X than in Box Z.

cheers.

thks MathIzzzFun

u have made Q2 looks so easy...and i feel so stupid... :oops:

[MathIzzzFun]

chloecube:

MathIzzzFun:

[quote=\"chloecube\"]hi all,


i need some expert help on these 2 sums :thankyou:

1) A number is a multiple of 3. It is between 10 and 40. It is also a factor of 45. What is the number?

is the answer : 15?

2) There are 943 apples in Box X and Box Y. There are 785 apples in Box Y and Box Z. How many apples are there in Box X than in Box Z?

Hi

1) yes.

2)
[Box Y][**Box X**] = 943
[Box Y][*Box Z*] = 785
So [**Box X**] - [*Box Z*] = 943 - 785 = 158
There were 158 more apples in Box X than in Box Z.

cheers.

thks MathIzzzFun

u have made Q2 looks so easy...and i feel so stupid... :oops:[/quote]Hi chloecube,

am glad to help.. we all are learning - step by step..

cheers.

[pinball]

Hi,


Need help with the following question

A truck carries newspaper. When it is half full of newspaper the truck has a mass of 1762kg. When it is quarter full the truck has a mass of 1426kg. What is the mass of the truck when it is full of newspaper?

[MathIzzzFun]

pinball:

Hi,


Need help with the following question

A truck carries newspaper. When it is half full of newspaper the truck has a mass of 1762kg. When it is quarter full the truck has a mass of 1426kg. What is the mass of the truck when it is full of newspaper?

Hi

[mass of truck][1/2 load] = 1762 kg
[mass of truck][1/4 load] = 1426 kg
so, [1/4 load] = 1762 -1426 = 336 kg,

[mass of truck][full load] = [mass of truck][1/2 load] + [1/2 load] = 1762 + 336 x 2 = 2434 kg

Mass of truck with full load of newspapers = 2434 kg

cheers.