Q&A - P3 Math
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I note that usually the teachers have a standard answer marking scheme, so if the answer provided by the child differs in working, rigid teachers consider them as wrong. I personally feel that it is not right to penalise kids for such "errors". On one hand, children are told to "think out of the box" but on the other hand, they are being penalise for doing so…
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The education system was originally formulated as a factory assembly style system in order to produce workers who are obedient (and not questioning) and similarly skilled after the industrial revolution. I read somewhere that the idea of schooling is actually a relatively recent development. Even though MOE has tried to make changes, sadly whatever faults left lies with the original design of the system.
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Need help on this P3 math question:
The cost of 7 erasers and 3 rulers is $5.05.
The cost of 2 erasers and 6 rulers is $3.95.
Find the cost of 2 erasers and 2 rulers.
Thank you. -
chokos:
Add them up ....u get cost of 9 erasers and 9 rulers.Need help on this P3 math question:
The cost of 7 erasers and 3 rulers is $5.05.
The cost of 2 erasers and 6 rulers is $3.95.
Find the cost of 2 erasers and 2 rulers.
Thank you. -
How to solve the P3 math question:
There were a total of 50 cockroaches and spiders in a container.
There were 356 legs altogether.
How many cockroaches were there in the container?
Answer is 22 cockroaches. -
There were a total of 50 cockroaches and spiders in a container.
Assume all are cockroaches = 50x6 = 300 legs
356-300= 56
Different between the cockroaches legs = 8-2
No. of spider =56/2 = 28
No. of cockroaches = 50-28= 22 -
Jay and Lak were given an equal amount of money by their parents.
After Jay spent $24 and Lak spent $12, Lak had 4 times as much as Jay had left. How much was each of them given at first? Pls help to solve using models … TIA -
bitchymum:
Jay and Lak were given an equal amount of money by their parents.
After Jay spent $24 and Lak spent $12, Lak had 4 times as much as Jay had left. How much was each of them given at first? Pls help to solve using models ... TIA
http://www.postimage.org/image.php?v=Pq9WRB9 -
Hi, I need help in these 2 qns
1) Ann spent $5850 on some bags and wallets. She bought 5 times as many bags as wallets. She paid $4400 more for bags than wallets. Each bag cost $60 more than a wallet. Find the cost of one wallet.
2)Eileen gets $2 more allowance than Mabel each week. Each girl spends $21 per week and saves the rest. When Eileen saves $72, Mabel only saves $48. How much allowance does Mabel get each week?
Thanks in advance
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Dear Amberzbon
1) Ann spent $5850 on some bags and wallets. She bought 5 times as many bags as wallets. She paid $4400 more for bags than wallets. Each bag cost $60 more than a wallet. Find the cost of one wallet.
b [ ][ ][ ][ ][ ] + difference ** (b + w = 5850)
w [ ]
4u + difference = 4400
6u + difference = 5850, 2u = 5850 - 4400 = 1450
1u = 725
4u (bag) + difference = 4400
difference = 4400 - (4x725) = 1500
no. of bags = 1500 divide 60 = 25
therefore, no. of wallets –> 25 divide 5 = 5
5 wallets cost $725, 1 wallet therefore cost $145
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