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Math: Working with brackets
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Published on Nov 19, 2015
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PRESENTATION OUTLINE
1.
Math: Working with brackets
By Mitchell Boribon
Photo by
woodleywonderworks
2.
b.O.D.M.A.S
B STANDS FOR BRACKETS AND ACCORDING TO BODAS B COMES FIRST.
WORK FROM THE INSIDE OUT
3.
examples
Subs a=1 b=2 c=3
c(a+b)
3x(1+2)
3x3
9
4.
examples
Subs a=1 b=2 c=3
6(a+b)
6x(1+2)
6x3
18
5.
examples
Subs a=7 b=13 c=16
7c(11a÷1b)
7x13[11x7÷(4+3)]
91[77÷7]
91x11 = 1 001
6.
Multiple Choice Questions
Subs. v=6 z=9 y=12
7.
6v(36+z)
6x(36+z)=270
6+(36+z)=51
6x(36+z)=81
6÷(36+z)=0.133
8.
4vz(2y+2y)
4xV+Zx(2+Y+2+Y)=276
4xVxZx(2xY+2xY)=10368
4+VxZx(2+Y+2+Y)=1516
4xVxZx(2xY+2xY)=1368
9.
7y(zv)
7+Yx(ZxV)=655
7xYx(Z+V)=120
7xY÷(ZxV)=126
7xYx(Z+V)=1260
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