Haris and allan math presentation
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Haris and allan math presentation

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Student presentation on order of operations.

Student presentation on order of operations.

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Haris and allan math presentation Haris and allan math presentation Presentation Transcript

  • Order of OperationsWe use BDMAS because all of the different countries in the worldmust have a standardized system for completing large equations. BDMAS stands for: ●Brackets ●Division ●Multiplication ●Addition ●Subtraction
  • BracketsThe first step in BDMAS are Brackets. Brackets in math looklike this (). They go around a single equation or multipleequations. The reason of brackets are to change the answer.They work because when you put them around an equation itwill change when it is answered so it will affect the otherequations.ex. ↓ ↓ ↓ ↓2+3x4=14 (2+3)x4=20No brackets. With brackets.
  • Multiplication/DivisionThe second step in BDMAS is multiplication and division. To tellwhich operation (x or ÷) you do first is to look and see whichone is in front of the others and that equation is what you do.We do multiplication and division as you would normally on asingle equation. They look like this x ÷.ex.↓ ↓ ↓ ↓6x4÷4=6 6x4÷2=12
  • Addition/subtractionThe third step in BDMAS is addition and subtraction. To tellwhich operation (+ or -) you do first is to look and see which oneis in front of the others and that equation is what you do. We doaddition and subtraction as you would normally on a singleequation. They look like this + -.ex. ↓ ↓ ↓ ↓10-6+3=7 10-6+3=1
  • Examples of BDMAS BDMAS 8÷2x6-7+8=25 9-8+7x6÷7=7 5-3+9÷3x4=14
  • Thanks for watching By: Allan and Haris