Friday, February 27, 2009

Subtraction..... taking away.....

More videos on subtrcation

http://www.youtube.com/watch?v=18nthFexzBc

http://www.youtube.com/watch?v=wX7tbkTW6Ys

Games on Subtraction

http://www.ictgames.com/soccer_subtraction.html In this direct free kick you must read the number sentence on the Brazil team shirts, then take away the correct number of players in the wall. Then click on the England player to score. Unusually, if you miss, Brazil gain a goal!

http://www.sums.co.uk/playground/c1a/playground.htm (Click on continue to start. Then click on easy to begin. Click on the number which is the answer to the question)

http://www.amblesideprimary.com/ambleweb/mentalmaths/subtractiontest.html (Click on level 1. The other levels are beyond 10)

http://www.bbc.co.uk/schools/laac/numbers/ch2.shtml (Interesting game that uses dots on a ladybird to find the answer. It also test the missing number in a question)

http://www.primarygames.com/takeaway/question%201.htm (Good mental sum on subtraction)

http://www.scweb4free.com/subtraction010.htm (A RACE to complete as many questions as possible correctly)

http://www.scweb4free.com/elemsub.html (good to test on the concept that bigger numbers take away smaller numbers)

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