Here are some websites about subtraction:
http://www.sesamestreet.org/video_player?p_p_lifecycle=0&p_p_id=videoPlayer_WAR_sesameportlets4369&p_p_uid=218710e0-6d3e-4db2-a0d2-e8529d39a277 (song about subtraction)
http://www.youtube.com/watch?v=y223gPkk_lI&feature=PlayList&p=DFE16D3AA9E50A4C&playnext=1&index=36 (10-8 = 2 It gives an idea that subtraction is about taking away)
http://www.youtube.com/watch?v=Bzw3VxHqwbk&feature=PlayList&p=B477403E232DF6F3&playnext=1&index=24
http://www.youtube.com/watch?v=WfsSX1u8MUU (Idea of subtractionas taking away)
If case you are wondering how to teach subtraction, let this video give you some idea. In class, we use our fingers since it is within 10. Pupils also draw lines instead of circles if they are unable to use their fingers.
http://www.youtube.com/watch?v=4s5FaFzPK4c
Thursday, February 26, 2009
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