Search found 139 matches

by Oldschool
Wed Jul 22, 2015 2:16 pm
Forum: Secondary Schools - Academic Support
Topic: Lower Secondary Mathematics
Replies: 346
Views: 85744

Re: Lower Secondary Mathematics

Hi, ps help. Many tks and God Bless:) 2) I think of a two-digit number. The sum of the digits is 13. When I reverse the digits of the number, I get another number whose value is 9 more than the first number. What is the number I thought of? (Must use simultaneous Linear Equations) Hi, Let the two-d...
by Oldschool
Fri Sep 12, 2014 4:12 pm
Forum: Primary 5
Topic: Q&A - P5 Math
Replies: 7005
Views: 638183

Re: Q&A - P5 Math

Hi, Here is a question which I also have the steps to solving the problem but I need clarification on one step. Kindly assist. Mrs Lee made some cookies and packed them in 50 small boxes and 12 big boxes that had an equal number of cookies each. Each big box had 30 more cookies than each small box....
by Oldschool
Fri Aug 29, 2014 11:42 am
Forum: Primary 5
Topic: Q&A - P5 Math
Replies: 7005
Views: 638183

Re: Q&A - P5 Math

http://i62.tinypic.com/zk1v2g.jpg - please help me with this question Hi, You may have noted that (1) this is a "double if" or 2 scenario question (2) the total sum remained the same First Scenario You already established that the ratio of Tony : Alan : Total 10 : 2 : 12 Second Scenario The key lie...
by Oldschool
Sun Aug 24, 2014 2:56 pm
Forum: Primary 5
Topic: Q&A - P5 Math
Replies: 7005
Views: 638183

Re: Q&A - P5 Math

Sruthi wrote:Image . I need help to solve this problem .

Please help .

Thanks a lot ..

Hi,

I will just continue from where you have stopped.

Image

Regards
by Oldschool
Wed Feb 26, 2014 8:41 pm
Forum: Primary 6 & PSLE
Topic: Q&A - PSLE Math
Replies: 17002
Views: 2113357

Re: Q&A - PSLE Math

Hi all, Will need help on finding the area of the unshaded triangle. Thanks. http://i59.tinypic.com/wwhfl5.jpg Hi, Can you find the area of triangle from here? http://i61.tinypic.com/2hx3g49.jpg Regards Hi, Thanks for the reply. The triangles are not stated as right angle triangle. Is it possible t...
by Oldschool
Tue Feb 25, 2014 9:13 pm
Forum: Primary 6 & PSLE
Topic: Q&A - PSLE Math
Replies: 17002
Views: 2113357

Re: Q&A - PSLE Math

acehkr3009 wrote:Hi all,

Will need help on finding the area of the unshaded triangle.

Thanks.

Image
Hi,

Can you find the area of triangle from here?

Image

Regards
by Oldschool
Mon Feb 24, 2014 1:12 pm
Forum: Primary 6 & PSLE
Topic: Q&A - PSLE Math
Replies: 17002
Views: 2113357

Re: Q&A - PSLE Math

2) Catherine has a box containing some black and white counters. When she adds in 15 white counters, 65% of the counters in the box are black. If she adds in another 40 black counters , 75% of the counters in the box are black. How many white counters are there in the box at first? I used the follo...
by Oldschool
Sun Feb 23, 2014 3:35 pm
Forum: Primary 5
Topic: Q&A - P5 Math
Replies: 7005
Views: 638183

Re: Q&A - P5 Math

please help to solve this problem: Shannon and Tammy had a total of 709 beads. After Shannon bought another 74 beads and Tammy gave away 1/5 of her beads, both of them had the same number of beads left. Find the number of beads Shannon had at first. Looking forward on your replies... :) can solve t...
by Oldschool
Tue Jan 28, 2014 10:21 pm
Forum: Primary 6 & PSLE
Topic: Q&A - PSLE Math
Replies: 17002
Views: 2113357

Re: Q&A - PSLE Math

Hi, I have a query: The temperature of a cup of hot coffee was 70°C at 11.58a.m. Its temperature dropped by 3.5°C per minute. Its final temperature was 60% lower than the original temperature. At what time was the temperature 60% lower than the original temperature? Answer provided by assessment bo...
by Oldschool
Mon Jan 27, 2014 1:58 pm
Forum: Primary 5
Topic: Q&A - P5 Math
Replies: 7005
Views: 638183

Re: Q&A - P5 Math

chloecube wrote:Hi,

i got problem understanding this statement

" Ravi has 1.5 times more marble than May"
what does 1.5 times mean and how do i draw the model ?
thks

Hi,

You might want to take a look at this post from CIMMAN,

http://www.kiasuparents.com/kiasu/forum ... 2#p1000542

Regards