Number sequence - for Year Four children (8 and 9yrs)
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Number sequence - for Year Four children (8 and 9yrs)
Thought this one was quite tricky for a Y4 question when I spoke to my colleague this morning.
Anyway, back to teaching my Y6s. Enjoy your afternoon.
5, 6, 14, 24, ___, ___
Reason: ______________________________________
Anyway, back to teaching my Y6s. Enjoy your afternoon.
5, 6, 14, 24, ___, ___
Reason: ______________________________________
Re: Number sequence - for Year Four children (8 and 9yrs)
Is the answer Jose Mourinho?
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Re: Number sequence - for Year Four children (8 and 9yrs)
If it is DC you’re asking the wrong question...
Last edited by bobinho on Fri Jan 29, 2021 2:16 pm, edited 1 time in total.
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Re: Number sequence - for Year Four children (8 and 9yrs)
32 & 33?
You start with 5 & 6 then 14 (1+4 = 5), 24 (2+4 = 6), 32 (3+2 = 5), 33 (3+3 = 6).
Probably completely wrong.
You start with 5 & 6 then 14 (1+4 = 5), 24 (2+4 = 6), 32 (3+2 = 5), 33 (3+3 = 6).
Probably completely wrong.
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Re: Number sequence - for Year Four children (8 and 9yrs)
5 add 6 add 14 = 25
25 minus 1 = 24
So next one is 6 + 14+ 24 minus 1 =
Whether that is the bang on right way I have no idea but I used to be intelligent. Now I'm not so sure.
25 minus 1 = 24
So next one is 6 + 14+ 24 minus 1 =
Whether that is the bang on right way I have no idea but I used to be intelligent. Now I'm not so sure.
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Re: Number sequence - for Year Four children (8 and 9yrs)
I’ve for 37 and 65.
Reason
Number of offsides between Chris Wood goals in the past 24 months.
Reason
Number of offsides between Chris Wood goals in the past 24 months.
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Re: Number sequence - for Year Four children (8 and 9yrs)
See there's a few people shying out of providing an explanation.
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Re: Number sequence - for Year Four children (8 and 9yrs)
If 43 wouldn’t it then be 73
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Re: Number sequence - for Year Four children (8 and 9yrs)
We've got 43 73
5+6+3=14
14+6+4=24
24+14+5=43
43+24+6=73
5+6+3=14
14+6+4=24
24+14+5=43
43+24+6=73
Re: Number sequence - for Year Four children (8 and 9yrs)
I will go for 7 & 8.
1 + 4 = 5.
2 + 4 = 6.
Next 2 numbers after 7 & 8 would be 25 & 35.
Probably way off the mark with this one. Homeschooling my 9 year old daughter this week and her maths sequence work has been counting in 25s and in 1000s, nowhere near as difficult as this one. A good question though!
1 + 4 = 5.
2 + 4 = 6.
Next 2 numbers after 7 & 8 would be 25 & 35.
Probably way off the mark with this one. Homeschooling my 9 year old daughter this week and her maths sequence work has been counting in 25s and in 1000s, nowhere near as difficult as this one. A good question though!
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Re: Number sequence - for Year Four children (8 and 9yrs)
Could just as easy be 7 & 8 and then 16 and 26leelad wrote: ↑Fri Jan 29, 2021 2:52 pmI will go for 7 & 8.
1 + 4 = 5.
2 + 4 = 6.
Next 2 numbers after 7 & 8 would be 25 & 35.
Probably way off the mark with this one. Homeschooling my 9 year old daughter this week and her maths sequence work has been counting in 25s and in 1000s, nowhere near as difficult as this one. A good question though!
5+6+3=14
14+6+4=24
24+14+5=43
43+24+6=73
Like beddie this is what I came up with but even that's a bit of a stretch.
Would love to know the answer.
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Re: Number sequence - for Year Four children (8 and 9yrs)
My answer will be wrong but I went for
Adding the first 3 numbers then -1 5+6+14 = 25 then -1 = 24
6+14+24 = 44 - 1 = 43
14+24+43 = 81 - 1 = 80
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Re: Number sequence - for Year Four children (8 and 9yrs)
I’ll go with Beddie’s answer and reason.
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Re: Number sequence - for Year Four children (8 and 9yrs)
I am also getting next 2 numbers to be 43 and 73
You add the last two terms together (as in a Fibonacci sequence) then add the term number.
so 5 + 6 and you are after the 3rd number so its 5+6+3
then 6+14 +4 = 24
so 14+24+5 =43
24+43 +6 = 73
Though this is tadge hard for year 4!!!!!!
You add the last two terms together (as in a Fibonacci sequence) then add the term number.
so 5 + 6 and you are after the 3rd number so its 5+6+3
then 6+14 +4 = 24
so 14+24+5 =43
24+43 +6 = 73
Though this is tadge hard for year 4!!!!!!
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Re: Number sequence - for Year Four children (8 and 9yrs)
for me this is the most likely answer, however my solution is equally tough for a year four, and also different2 Bee Holed wrote: ↑Fri Jan 29, 2021 3:19 pmI am also getting next 2 numbers to be 43 and 73
You add the last two terms together (as in a Fibonacci sequence) then add the term number.
so 5 + 6 and you are after the 3rd number so its 5+6+3
then 6+14 +4 = 24
so 14+24+5 =43
24+43 +6 = 73
Though this is tadge hard for year 4!!!!!!
the two numbers I got are 50 and 96.
alternating rule, double the previous number minus 4, then on the next number double it plus 2
5x2=10 -4 = 6
6x2=12 +2 = 14
14x2=28 -4 = 24
24x2= 48 +2 = 50
50x2= 100 -4 = 96
Robbo, just out of interest, if the maths added up, but wasn't the answer you were looking for, would you give the mark?
EDIT because if it isn't either of these two answers, but they are both reasonable explanations, then surely it is down to the question writer to ensure there is only one correct answer?
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Re: Number sequence - for Year Four children (8 and 9yrs)
Will somebody tell me the answer so I know who’s reply I can copy
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Re: Number sequence - for Year Four children (8 and 9yrs)
Wrong thread Wilks. You need the Spot the Ball thread
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Re: Number sequence - for Year Four children (8 and 9yrs)
43 and 73 for me too.
5+6+3= 14
6+14+4 = 24
14+24+5 = 43
24+43+6 = 73
However, it does seem a bit convoluted for that age group tbh.
5+6+3= 14
6+14+4 = 24
14+24+5 = 43
24+43+6 = 73
However, it does seem a bit convoluted for that age group tbh.
Re: Number sequence - for Year Four children (8 and 9yrs)
This is an (surely the) answer.claretburns wrote: ↑Fri Jan 29, 2021 2:16 pm32 & 33?
You start with 5 & 6 then 14 (1+4 = 5), 24 (2+4 = 6), 32 (3+2 = 5), 33 (3+3 = 6).
Probably completely wrong.
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Re: Number sequence - for Year Four children (8 and 9yrs)
Dante.El.Chunk wrote: ↑Fri Jan 29, 2021 3:46 pmfor me this is the most likely answer, however my solution is equally tough for a year four, and also different
the two numbers I got are 50 and 96.
alternating rule, double the previous number minus 4, then on the next number double it plus 2
5x2=10 -4 = 6
6x2=12 +2 = 14
14x2=28 -4 = 24
24x2= 48 +2 = 50
50x2= 100 -4 = 96
Robbo, just out of interest, if the maths added up, but wasn't the answer you were looking for, would you give the mark?
EDIT because if it isn't either of these two answers, but they are both reasonable explanations, then surely it is down to the question writer to ensure there is only one correct answer?
We were having this discussion. If there's more than one possible sequence, then of course, as long as the maths 'added up' then yes, the mark would be given.
I was discussing this with the Year Five teacher at my work...her daughter is in Year 4 and this was the question given to her in today's work on sequencing. We both agreed that whilst it provides good stretch, it is convoluted and wasn't completely in-line with what should have been taught. However, it has clearly generated a good discussion amongst both children and adults, which is a good thing.
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Re: Number sequence - for Year Four children (8 and 9yrs)
43 and 73 were the official answers.
Well done to those who have proven themselves to be good enough for Year Four maths!
Well done to those who have proven themselves to be good enough for Year Four maths!
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Re: Number sequence - for Year Four children (8 and 9yrs)
I'm glad I taught English !
Re: Number sequence - for Year Four children (8 and 9yrs)
What I don't get with this answer (43, 73) is how in the sequence, which seems to go up with each number (as opposed to pairs of numbers like the answer below), do you get from 5 to 6 (0 + 5 + 2 = 7)?
I Iike this answer better unless there is something you haven't told us?claretburns wrote: ↑Fri Jan 29, 2021 2:16 pm32 & 33?
You start with 5 & 6 then 14 (1+4 = 5), 24 (2+4 = 6), 32 (3+2 = 5), 33 (3+3 = 6).
Probably completely wrong.
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Re: Number sequence - for Year Four children (8 and 9yrs)
Having taught top set yr11 for many years, I can say with certainty that that would have taxed all but 10 pupils I have ever taught.
Never mind year 4.
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Re: Number sequence - for Year Four children (8 and 9yrs)
I'm with Hipper, I don't see how that sequencing works with the initial numbers given.
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Re: Number sequence - for Year Four children (8 and 9yrs)
5, 6, 14, 24, ___, ___
5*5 =25
6*6=36
14*14=196
24*24= 576
576-196-36-25=319
319 (total) /6 (frequency)
=53.16
Reason: 53.16 is a double-coated electrode combining the running characteristics of a rutile electrode. Sir.
5*5 =25
6*6=36
14*14=196
24*24= 576
576-196-36-25=319
319 (total) /6 (frequency)
=53.16
Reason: 53.16 is a double-coated electrode combining the running characteristics of a rutile electrode. Sir.
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Re: Number sequence - for Year Four children (8 and 9yrs)
As I said earlier, that was the official answer given, but like you, I also am in favour of 32 and 33. We didn’t set the question at our school, it was given to the daughter of our year five teacher, who thought it an inappropriate question for an eight-year-old.
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Re: Number sequence - for Year Four children (8 and 9yrs)
The 43 , 73 answer was what I worked out from the numbers given. There is no 0 given, therefore, the first number is 5 and then it is a case of working out the relationship to the other numbers given. In that answer you can see that the number added each time does go up in sequence to give the result.Hipper » Fri Jan 29, 2021 6:01 pm
jdrobbo wrote: ↑
Fri Jan 29, 2021 5:01 pm
43 and 73 were the official answers.
Well done to those who have proven themselves to be good enough for Year Four maths!
jdrobbo wrote: ↑
Fri Jan 29, 2021 2:26 pm
See there's a few people shying out of providing an explanation.
beddie wrote: ↑
Fri Jan 29, 2021 2:39 pm
We've got 43 73
5+6+3=14
14+6+4=24
24+14+5=43
43+24+6=73
What I don't get with this answer (43, 73) is how in the sequence, which seems to go up with each number (as opposed to pairs of numbers like the answer below), do you get from 5 to 6 (0 + 5 + 2 = 7)?
claretburns wrote: ↑
Fri Jan 29, 2021 2:16 pm
32 & 33?
You start with 5 & 6 then 14 (1+4 = 5), 24 (2+4 = 6), 32 (3+2 = 5), 33 (3+3 = 6).
Probably completely wrong.
I Iike this answer better unless there is something you haven't told us?
The other answer is also quite logical if you consider that the sequence is 5,6,5,6 etc., however, what would come next in the sequence after 33?
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Re: Number sequence - for Year Four children (8 and 9yrs)
I’m a mathematician and didn’t get it, let alone year 4.2 Bee Holed wrote: ↑Fri Jan 29, 2021 6:11 pmHaving taught top set yr11 for many years, I can say with certainty that that would have taxed all but 10 pupils I have ever taught.
Never mind year 4.
Re: Number sequence - for Year Four children (8 and 9yrs)
The number before 5 would be - 1, and before that the whole thing gets wildly erratic. Plotting this and you'd get something like a cat being sick.
6+14+4=24
5+6+3=14
-1+5+2=6
5-1+1=5
-6+5+0=-1
12-6-1=5
-16+12-2=-6
31-16-3=12
-43+31-4=-16
6+14+4=24
5+6+3=14
-1+5+2=6
5-1+1=5
-6+5+0=-1
12-6-1=5
-16+12-2=-6
31-16-3=12
-43+31-4=-16
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Re: Number sequence - for Year Four children (8 and 9yrs)
Very tricky and there will be an algebraic formula somewhere.
5 to 6 is a jump of +1
6 to 14 is a jump of +8
14 to 24 is a jump of +10
24 to 43 is a jump of +19
43 to 73 is a jump of +30
Each step in the sequence is the previous two increases +1 added to the last number.
If that sequence continues the next 2 numbers will be 123 , 204
As the old saying goes - "put that in your pipe and smoke it".
Happy headaches everyone!
5 to 6 is a jump of +1
6 to 14 is a jump of +8
14 to 24 is a jump of +10
24 to 43 is a jump of +19
43 to 73 is a jump of +30
Each step in the sequence is the previous two increases +1 added to the last number.
If that sequence continues the next 2 numbers will be 123 , 204
As the old saying goes - "put that in your pipe and smoke it".
Happy headaches everyone!
Re: Number sequence - for Year Four children (8 and 9yrs)
As a maths teacher i despair at questions like that. The sequence is obscure and not long enough to be deduced with any certainty. Just a very poor question more at home on tiktok than in a classroom.
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Re: Number sequence - for Year Four children (8 and 9yrs)
I work with stats for a living, advising governments (among others), for my sins.
I also have a child in Y4 who I am helping give a maths lesson to every morning.
On this one - I hadn’t the foggiest. Not sure if that says more about me or the question. I have no idea how any 8 or 9 year old could get that correct, and if they did, I’m not sure what it tells us. Probably that they’re a bit weird, but we need a few like that to be our master scientists of the future.
Our school do “emerging”, “expected” and “greater depth” questions each lesson - some of the latter are so abstract I get quite bemused. My kiddie just goes into a trance when it gets hard in a silly way and blanks the whole lesson - the teacher doing it on Zoom of course is totally unaware, no fault of their own. Luckily we don’t have a handful of kids so can keep an eye on things. Spent today debating whether “chunking” is a relevant technique to learn for division given the meltdown it caused. Year 4 teachers - respect, it’s a tough job
I also have a child in Y4 who I am helping give a maths lesson to every morning.
On this one - I hadn’t the foggiest. Not sure if that says more about me or the question. I have no idea how any 8 or 9 year old could get that correct, and if they did, I’m not sure what it tells us. Probably that they’re a bit weird, but we need a few like that to be our master scientists of the future.
Our school do “emerging”, “expected” and “greater depth” questions each lesson - some of the latter are so abstract I get quite bemused. My kiddie just goes into a trance when it gets hard in a silly way and blanks the whole lesson - the teacher doing it on Zoom of course is totally unaware, no fault of their own. Luckily we don’t have a handful of kids so can keep an eye on things. Spent today debating whether “chunking” is a relevant technique to learn for division given the meltdown it caused. Year 4 teachers - respect, it’s a tough job
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Re: Number sequence - for Year Four children (8 and 9yrs)
You and me both! A poor question, but glad it’s created so much of a discussion on here.
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Re: Number sequence - for Year Four children (8 and 9yrs)
CrosspoolClarets wrote: ↑Sat Jan 30, 2021 12:21 amI work with stats for a living, advising governments (among others), for my sins.
I also have a child in Y4 who I am helping give a maths lesson to every morning.
On this one - I hadn’t the foggiest. Not sure if that says more about me or the question. I have no idea how any 8 or 9 year old could get that correct, and if they did, I’m not sure what it tells us. Probably that they’re a bit weird, but we need a few like that to be our master scientists of the future.
Our school do “emerging”, “expected” and “greater depth” questions each lesson - some of the latter are so abstract I get quite bemused. My kiddie just goes into a trance when it gets hard in a silly way and blanks the whole lesson - the teacher doing it on Zoom of course is totally unaware, no fault of their own. Luckily we don’t have a handful of kids so can keep an eye on things. Spent today debating whether “chunking” is a relevant technique to learn for division given the meltdown it caused. Year 4 teachers - respect, it’s a tough job
It’s interesting is chunking: it is is taught at our school, along with standard long division. In the last four years I’ve had 121 chn in my year six class and I know for certain that only seven of them have chosen chunking over long division.
Re: Number sequence - for Year Four children (8 and 9yrs)
OK, can anyone solve this one? I thought for a minute that it was the solution to the original but then found it was one out.
5, 6, 14, 23, 40, _, _
5, 6, 14, 23, 40, _, _
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Re: Number sequence - for Year Four children (8 and 9yrs)
66, 109
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Re: Number sequence - for Year Four children (8 and 9yrs)
I feel neglected
I want a gold star
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Re: Number sequence - for Year Four children (8 and 9yrs)
Aah see that punctuation stuff does my head in
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Re: Number sequence - for Year Four children (8 and 9yrs)
Not quite sure what this is supposed to test, as it’s clearly non-progressive. Answer is 32, 33 - but it ends there! Can only think the compiler had a rough day?
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Re: Number sequence - for Year Four children (8 and 9yrs)
You should be made to sit in the corner for attention seeking. No gold stars and you are not getting in our gang.
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