Hi,
I need help on this question. Can someone help as I need to explain to my gal?
1. Ali has a total of $76. Some are $2 notes and the rest are $5 notes. He has 4 more $5 notes than $2 notes. How many $2 notes and $5 notes does Ali have?
Thank you!
P3 Maths
Academic support for Primary 3

Bunny27  OrangeBelt
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Re: P3 Maths
by alfretztay » Fri Apr 24, 2015 7:00 pm
Bunny27 wrote:Hi,
I need help on this question. Can someone help as I need to explain to my gal?
1. Ali has a total of $76. Some are $2 notes and the rest are $5 notes. He has 4 more $5 notes than $2 notes. How many $2 notes and $5 notes does Ali have?
Thank you!
4 more $5 notes > $20
(? x $2) + (? x $5) + $20 = $76
$2 + $5 = $7
? > ($76  $20)/$7 = 8
8 + 4 = 12
Ans : 8 $2 notes and 12 $5 notes.

alfretztay  KiasuGrandMaster
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Re: P3 Maths
by Swift Formula » Sun Jun 28, 2015 6:49 am
Bunny27 wrote:Hi,
I need help on this question. Can someone help as I need to explain to my gal?
1. Ali has a total of $76. Some are $2 notes and the rest are $5 notes. He has 4 more $5 notes than $2 notes. How many $2 notes and $5 notes does Ali have?
Thank you!
Take out $2 and $5. Set a simple question. Using 2 and 3 as answer.
Ali has $19, some are $2, some are $5. He has 1 more $5 note than $2 note.
Once solved, increase 2 and 3 to 4 and 7 then 14 and 19.
In case u need help to solve question or show working.
$76  4x $5 = $56. (Remove 4x extra $5, so same amount of $2 and $5 notes)
$2+$5 = $7 (1 group of $2 and $5 = $7, group them so can find number of groups)
$56 / $7 = 8 (groups of $2 and $5, there 8x$2 and 8x$5, don't forget 4 extra $5 subtracted earlier on)
8 + 4 = 12

Swift Formula  BrownBelt
 Posts: 505
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 Total Likes: 2
Re: P3 Maths
by Blue Pearl » Wed Aug 05, 2015 4:44 pm
Swift Formula wrote:Bunny27 wrote:Hi,
I need help on this question. Can someone help as I need to explain to my gal?
1. Ali has a total of $76. Some are $2 notes and the rest are $5 notes. He has 4 more $5 notes than $2 notes. How many $2 notes and $5 notes does Ali have?
Thank you!
Take out $2 and $5. Set a simple question. Using 2 and 3 as answer.
Ali has $19, some are $2, some are $5. He has 1 more $5 note than $2 note.
Once solved, increase 2 and 3 to 4 and 7 then 14 and 19.
In case u need help to solve question or show working.
$76  4x $5 = $56. (Remove 4x extra $5, so same amount of $2 and $5 notes)
$2+$5 = $7 (1 group of $2 and $5 = $7, group them so can find number of groups)
$56 / $7 = 8 (groups of $2 and $5, there 8x$2 and 8x$5, don't forget 4 extra $5 subtracted earlier on)
8 + 4 = 12
Do we need to draw model for this type of question? Is it a must. Will teacher deduct marks if children did not draw model. Thank you.

Blue Pearl  BlackBelt
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Re: P3 Maths
by Swift Formula » Wed Aug 05, 2015 10:23 pm
PSLE markings is based on understanding of the question .
If his/her workings and methods can solve the question and have proof of understandings, it will be accepted .
Model is encourage to help students to visualise only .
If his/her workings and methods can solve the question and have proof of understandings, it will be accepted .
Model is encourage to help students to visualise only .

Swift Formula  BrownBelt
 Posts: 505
 Joined: Thu Jun 25, 2015 5:15 am
 Total Likes: 2
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