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What to do Maths-3D shapes-3rd class?

  • 05-01-2015 11:44PM
    #1
    zeebre12
    Registered Users, Registered Users 2 Posts: 554 ✭✭✭


    I have to teach 3rd class 3D shapes next week..what do they know about 3D shapes already?, and could u give me some ideas to introduce it?..thanks


Comments

  • #2
    gubbie
    Registered Users, Registered Users 2 Posts: 2,134 ✭✭✭gubbie


    TES is your friend.

    How long do you have to teach them? Make it hands on, give them physical shapes, get them active - go around the class looking for different shapes, there's probably a Youtube song

    I don't teach primary, only secondary but I wouldn't say that know much


  • #3
    evolving_doors
    Closed Accounts Posts: 11,812 ✭✭✭✭evolving_doors


    Nets! (i.e. the shape unfolded)...

    Draw 6 squares (t shape).. get em to cut it out an make a cube.

    Unfold pyramid and copy onto sheet then someone else can cut it out.

    Dice! predict what the number is on the other side if the dots have to sum to 7 ...

    edit: sorry im secondary so havn't a clue what they should know already.


  • #4
    byhookorbycrook
    Moderators, Education Moderators, Regional South East Moderators Posts: 12,534 Mod ✭✭✭✭byhookorbycrook


    In third they should be familiar with many 3 d shapes, they should also know most of the 2 d shapes. You could do an "I Spy" -show them an example of say a square and then see how many they can see in the room Then move on to the cube and do the same.

    You could give them nets of the 3 d-shapes to make too, or even use clay/marla/playdough.

    Nets here: http://www.senteacher.org/worksheet/12/NetsPolyhedra.html

    Liquorice All-Sorts are good for cylinders and cuboids!!

    Have a wander about on Pinterest for art ideas too.
    http://www.pinterest.com/pin/305541155940352557/
    http://www.pinterest.com/pin/384213411930854959/
    and the ever popular marshmallow and cocktail stick models:
    http://www.pinterest.com/pin/136726538658766959/


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