Q&A - PSLE Math

[shurley197323]

[quote="tianzhu"]Hi shurley197323


As for Q2, I did a quick check, the answer is 179 marbles. I’ll post the solution at a later time if there is no solution coming from other members.

Hope this helps.

Best wishes


Hi.Tianzhu.As for Q2, I got the answers is 179 marbles too . Thanks again

[MathIzzzFun]

peggy:

MathIzzFun,


Got it !! Thanks.....

regards,
Peggy

Hi peggy,

avec plaisir

cheers.

[MathIzzzFun]

shurley197323:

Please help

1) Susie bought 5 kg of flour and 4 kg of sugar for $14.80. If 3/4 kg of flour coast as much as 3/5kg of sugar, find the cost of 1 kg of sugar ?

2)The no of marbles Aaron has is 8 more than 4 times that of Bala's. The no of marbles that Najib has is 5 more than 1/8 of Aaron's. Najib has 9 fewer marbles than Bala. How many marbles do they have altogether.

Hi


http://postimage.org/image/2ubnvmuw4/

cheers.

[tianzhu]

shurley197323:

Hi.Tianzhu.As for Q2, I got the answers is 179 marbles too . Thanks again

Hi shurley197323

You're welcome.

Great, you solved the question.

Best wishes.

[shurley197323]

MathIzzzFun:

shurley197323:

Please help

1) Susie bought 5 kg of flour and 4 kg of sugar for $14.80. If 3/4 kg of flour coast as much as 3/5kg of sugar, find the cost of 1 kg of sugar ?

2)The no of marbles Aaron has is 8 more than 4 times that of Bala's. The no of marbles that Najib has is 5 more than 1/8 of Aaron's. Najib has 9 fewer marbles than Bala. How many marbles do they have altogether.

Hi


http://postimage.org/image/2ubnvmuw4/

cheers.

Hi. MathIzzzFun

Thanks for you model.

[MathIzzzFun]

shurley197323:

MathIzzzFun:

[quote=\"shurley197323\"]Please help

1) Susie bought 5 kg of flour and 4 kg of sugar for $14.80. If 3/4 kg of flour coast as much as 3/5kg of sugar, find the cost of 1 kg of sugar ?

2)The no of marbles Aaron has is 8 more than 4 times that of Bala's. The no of marbles that Najib has is 5 more than 1/8 of Aaron's. Najib has 9 fewer marbles than Bala. How many marbles do they have altogether.

Hi


http://postimage.org/image/2ubnvmuw4/

cheers.

Hi. MathIzzzFun

Thanks for you model.[/quote]

Hi shurley197323

you are most welcome :lol:

cheers.

[ozora]

MathIzzzFun:

shurley197323:

[quote=\"MathIzzzFun\"]
Hi


http://postimage.org/image/2ubnvmuw4/

cheers.

[/quote]
Sorry MathIzzzFun
can highlight me why there is addition of 1 to be in 1/8 of Aaron?
My step is 9+5 which is wrong.

[MathIzzzFun]

ozora:

MathIzzzFun:

[quote=\"shurley197323\"]

Sorry MathIzzzFun
can highlight me why there is addition of 1 to be in 1/8 of Aaron?
My step is 9+5 which is wrong.

[/quote]Hi ozora,

Aaron had 8 units + 8, so 1/8 = 1/8 of 8 units + 1/8 of 8 = 1 unit + 1

cheers

[Hifive]

Hi


Need help with this question:

Karen made 120 more cookies than apple pies. After selling one third of the cookies and 25% of the apple pies, she had 70 more apple pies than cookies. What is the total number of cookies and apple pies that Karen made?

Thanks!

[tianzhu]

Hifive:

Karen made 120 more cookies than apple pies. After selling one third of the cookies and 25% of the apple pies, she had 70 more apple pies than cookies. What is the total number of cookies and apple pies that Karen made?

Hi

You may use MD to solve this question.

Some quick pointers for the MD.If needed, I’ll draw out the MD at a later time.

Cookies ----- 12 units + 120
Apple pies ------ 12 units

Cookies sold ------- 4 units + 40
Apple pies sold ------- 3 units

Cookies left ------ 8 units + 80
Apple pies left ------- 9 units

9 units ------- 8 units + 80 + 70
1 unit ------- 150

24 units -------- 3600
Total number -------- 3600+120 -------3720

Best wishes