B- BracketsE- ExponentsD- DivisonM- MultiplicationA- AdditionS- SubtractionWhen you do the Bed Mas question you look for any brackets or exponents. If the question has any brackets or exponents do them first. Next you look for divison and multiplication you do it from left to right. Then last you do addtion and subtraction from left to right.http://www.youtube.com/watch?v=Ef9EVFjSQso&feature=related

http://ca.ixl.com/math/grade-7

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