Q&A - P3 Math

[Steadyberry]

Hi


8 similar packets of sweets were shared equally among 37 pupils. When another similar packet of sweet was given out, each pupil received 7 more sweets. How many sweets were given out altogether? The answer given is 2331. Can someone pls explain, show workings and/or draw models on how to get 2331. Thanks in advance.

[mother777]

Ok here goes simple working, don’t know how to upload drawing


Total pupils–> 37
One extra packet shared–> 7 sweets for each pupil
Total sweets in 1 packet–> 37 x 7 = 259

Total packets –> 8+ 1 =9
Total sweets –> 9 x 259 = 2331

[Steadyberry]

Hi mother777


Thx for yr explanation. I get it now.

[GreenQ]

Sorry dear parents, need solution for the question below.


Draw diagrams / Guess and Check.

There are 8 goats and ducks altogether.
Some had 2 legs and some had 4 legs.
The animals have 20 legs in all.
How many goats are there?

Thanks.

P/s: The sch teacher said to get as less as possible for the number of goats.

[catddy2002]

GreenQ:

Sorry dear parents, need solution for the question below.


Draw diagrams / Guess and Check.

There are 8 goats and ducks altogether.
Some had 2 legs and some had 4 legs.
The animals have 20 legs in all.
How many goats are there?

Thanks.

P/s: The sch teacher said to get as less as possible for the number of goats.

Hi,

This is my format.
Not sure whether your child need to follow his/her teacher's format.

[catddy2002]

Sorry, missed out the picture!

Here you are.

http://i48.tinypic.com/351iomc.jpg\">

[GreenQ]

Great! Thanks for your prompt reply... :love: :thankyou:

[Maths Olympiad Tutor]

quekcc:

GreenQ:

Sorry dear parents, need solution for the question below.


Draw diagrams / Guess and Check.

There are 8 goats and ducks altogether.
Some had 2 legs and some had 4 legs.
The animals have 20 legs in all.
How many goats are there?

Thanks.

P/s: The sch teacher said to get as less as possible for the number of goats.

Draw diagram.

http://i46.tinypic.com/2njysuq.png\">

When we assume there are 8 goats, there will be 32 legs, 12 more than what is mentioned.

A goat has 2 more legs than a duck.

Since there are 12 extra legs, there must be 12 / 2 = 6 ducks.

8 - 6 = 2 goats.

[mother777]

Ok here goes my method…


There are 8 goats and ducks altogether.
Some had 2 legs and some had 4 legs.
The animals have 20 legs in all.
How many goats are there?

Answer…
Assume all are ducks…
each duck–>2 legs
If 8 ducks, total legs–>8 x 2 = 16
balance legs–>20-16 = 4
these extra legs are from goats.
each goat 2 extra leg.
so number of goat–>4/2 = 2

Goat–>2
duck–>8-2 = 6…

[GreenQ]

Thanks and appreciate all for yours replies! :thankyou: