Maths query for primary teachers

Discussion in 'Bulletin Board' started by tosh, Nov 9, 2020.

  1. tosh

    tosh Well-Known Member

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    My eight year old grand-daughter asked me to look at her maths homework and i was bemused by question 14.. There is a pic of a steam train and the question asks "how many times can you double 3 before you run out of steam"?. There are 8 answer boxes underneath and the first 2 are filled in i.e 3 & 6 leaving you to fill in the rest. I think I can see what they are aiming for but for me the question is definitely faulty. I think they are looking for 384 but my response was that I can only double 3 once which gives 6 and after that I am doubling a different number i.e. not 3 . Any teachers out there got a view?
     
    tosh, Nov 9, 2020
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  2. Redhelen

    Redhelen Well-Known Member

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    You can only ever double a number once though before it becomes another number. I assume they mean double 3 then double that answer?
     
    Redhelen, Nov 9, 2020
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  3. LiverpoolRed

    LiverpoolRed Well-Known Member

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    Just keep doubling the number until you run out of steam :):)
     
    LiverpoolRed, Nov 9, 2020
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  4. tosh

    tosh Well-Known Member

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    I would, but the question is so poorly written. They haven't even told me how much coal I have got.:)
     
    tosh, Nov 9, 2020
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  5. LiverpoolRed

    LiverpoolRed Well-Known Member

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    Set during the strike so you have to go coal picking first
     
    LiverpoolRed, Nov 9, 2020
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  6. Plankton Pete

    Plankton Pete Well-Known Member

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    It's a pun.
     
    Plankton Pete, Nov 9, 2020
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  7. Austiniho

    Austiniho Well-Known Member

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    Could you take a picture?
     
    Austiniho, Nov 9, 2020
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  8. Jack Tatty

    Jack Tatty Well-Known Member

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    Screenshot_20171217-182658.png
     
    Jack Tatty, Nov 9, 2020
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  9. tosh

    tosh Well-Known Member

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    tosh, Nov 9, 2020
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  10. Old Goat

    Old Goat Well-Known Member

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    If 42 is the answer to life, the universe and everything, then it must be the answer to this question too. In fact, you should be able to pass any maths exam by answering 42 to every question.
     
    Old Goat, Nov 10, 2020
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  11. Tyke_67

    Tyke_67 Well-Known Member

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    How many times can you double 3 and there are 8 answer boxes.

    That'll be 8 then,o_O or have I misread the question :confused:
     
    Tyke_67, Nov 10, 2020
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  12. Austiniho

    Austiniho Well-Known Member

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    I think you’ve done that correctly. At that age they will be looking at doubling skills. The question is poorly written. It does look like quite an old resource as well. How many times can you keep doubling when you start with the number 3 would be a better question.
     
    Austiniho, Nov 10, 2020
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  13. Rosco

    Rosco Well-Known Member

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    But the answer is infinitely.
     
    Rosco, Nov 10, 2020
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  14. Stephen Dawson

    Stephen Dawson Well-Known Member

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    Can someone fetch me a bucket of steam?
     
    Stephen Dawson, Nov 10, 2020
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  15. Ton

    Tonjytyke Well-Known Member

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    I think poor wording is a common thing. I thought I’d done really well to finish my jigsaw in three days when it said 3 to 5 years on the box.
     
    Tonjytyke, Nov 10, 2020
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  16. Tyke_67

    Tyke_67 Well-Known Member

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    Very funny! ;)
     
    Tyke_67, Nov 10, 2020
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  17. tosh

    tosh Well-Known Member

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    Not many 3-5's can read that well so i am surprised they wrote it on the box
     
    tosh, Nov 10, 2020
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  18. Redstone

    Redstone Well-Known Member

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    Reminds me of, why is Ireland such a rich Country?

    Because its capital is always Dublin
     
    Redstone, Nov 10, 2020
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