3C + 2B = 28 C + B = 11 2C + 2B = 22 C = 6 B = 5 2C + 3B = 12 + 15 = 27

Thanks Shakilah BanuBaby. Wonder is there any other methods?

Xavier has answered similar question posted mins ago. Wonder u know his workings?

Coz my child used the same method n i find it's abit tedious n my child sometimes make careless mistakes

Group of 6 results in a surplus of 5, group of 5 results in a surplus of 2 (same as short of 3). Using Xavier and Raymond's method, we can add 13 balloons to both cases and will end up with no surplus. LCM of 5 and 6 is 30. So 30 - 13 = 17.

Thanks Yeo See Yeong. We understand n get the LCM 30, but still couldn't figure out how to get 13.

4 x 7 - 2 = 26

Appreciate if u can show steps on how 4 n 7 being derived. Thanks Xavier

Serene Koon, if you realise that when you pack in groups of 4, 2 extra sweets also implies you are short of 2, the problem is easily solved. Step 1: Go & buy 2 more (fictitious) sweets. Now, whether you pack in 4 or 7, there will be no leftover Step 2: The lowest common multiple of 4 & 7 is 28 Step 3: Remove the 2 fictitious sweets. Tada... 28-2 =26

Thanks Raymond Ng. Greatly appreciate yr detail explanation.

Nothing wrong.... Multiple Answers...

The marker probably followed the answer key like a lemming without realizing that there are other permutations. Nothing wrong with what I saw.

Nothing wrong

Nothing wrong. Shld ask teacher for the mark.

Sometimes I find the teachers very confusing not the questions

The mother said the teacher's explanation was because cant use the number "x4" more than once in the equation.. I don't understand the explanation by the teacher.

Should write a note on the paper and ask the kid show to the teacher. It is not so much to get back the mark but let the kid know that his answer is correct.

Just to be fair, I know of many teachers who fought tooth and nail over the answers they deemed permissible during the vetting of the answer key. There were occasions where either the other teachers out voted those who objected or that the HODs wanted to simplify the marking process.

I think the teacher is confused with number vs digit. The mother should let the teacher know that she is not correct.

What the child wrote is correct,the explanation teacher gave is not valid , mother shld ask back .

Chong Ji Lian, I bet the said teacher couldn't understand his or her own explanation. I suspect it could be a face-saving exercise.

Its not a wrong answer.

This is which level maths?

Pri 1

Is ur kid confuse

It's on behalf of another mother. The mom is confused. How to explain to her daughter the correction

So simple, One & only answer Singapore schools teachers, what they expect as a answer our kids have to write.

It should be testing the concept As in must be a bigger number to minus a smaller number n the answer is correct That should be the way rather than making sure the figures follow the answer sheet

Suggest you speak with the school head of subject to get clarification since going through the teacher's route doesn't work. Thanks.

What primary level ques is this?

Jennifer Kai Xi see this

this is a P1 term 3 test paper from Rosyth School.

Pls clarify with the teacher and let us know the outcome? Because i do not see anything wrong here.

Yes the mummy of the child still cannot accept the teacher's explanation so she will go and ask again. The latest reason given is that (64-34) is repeated number. So cannot. But 64-30=34 can because 34 in this case is standalone. What kind of explanation is that??!!

I don't get it 😂 If I were the parent, I will clarify with the Principal.Not because I am hard up for the marks, but rather what concept is being tested? Any ambiguities in the phrasing of the question? Sigh poor kids....

Latest update. Child called the mom. Teacher finally marked her as correct! Case close.

Phew hahhaah

I don't see anything wrong with the question. To me The student is right! This is worrying if the teacher/school only has a one track mind

Hahahha case close, correct la... Lol Elysia Yap cmi

I would get down to the problem by meeting up with the teacher to have her explain why the student's answer is wrong. This is the only way.

BTW.. it is a 2014 Maths Test paper from Rosyth.

It should have been marked correct from the start. No questions / doubt about it .

Your kid is correct. A number is made up of digits. If they want to use the logic of 4 can not repeat, the instruction should be digit cannot repeat. Else by the same logic, 3 appears twice and that is wrong also.

This is a correct answer by the pupil but not in the teacher's range of standard answers.

Phew luckily the child was marked correct else I really have no confidence in our trs and moe.

Teacher follows standard answer.

Haha i dont see anything wrong either.

Worksheet-based syndrome...perhaps the teacher was referring on the answer key while checking this...

Nothing wrong. The child's answer is correct.

Both r correct. Your child is correct,. Must to check with teacher, why they give wrong.

Sigh... This shows that we are not hiring thinking teachers in schools but robots with a one track mind.

Hope teachers mark fairly esp when there could be multiple answers. Please follow up with the teacher may be she isnt aware.

Even the best teachers can make a mistake.

Maggie Lukes...even the best teacher makes mistake... But this mistake is unforgivable to me..it discouraged the child.. The teacher is just plain lazy and marked it wrong...oh!..Rosyth..no wonder the students there are stress... Even the teacher finally marked it as right.. If it is my kid...I would request a sincere apology from the teacher concerned.. No two ways about it....

Izam, I have been a teacher for a long time. I have always encouraged my students to question my marking. This teaches them to explain their answer and builds their confidence. Creating an atmosphere which encourages collaboration and discussion helps the students AND teacher learn. Should the teacher apologize? Yes, of course, but it need not be lengthy or grovelling. A "Good for you, you found a different answer than I expected." would do more for the student than a parent's interference.

Sometimes the teachers goes by textbook answer (rigid! ) Luckily u didn't stand down!

So curious how did the discussion with the teacher or principle go.

Teacher re marked it as correct. Maybe she is in this group. Haha...