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Published on December 5, 2013

Author: aritrabhakat

Source: slideshare.net

## Description

Learn your BODMAS once and for all, and you'll realise it wasn't hard at all. Links: My homepage (original PPT): http://www.slideshare.net/aritrabhakat Font: Whiteboard Modern Demo: http://www.bittbox.com/fonts/bb-free-font-whiteboard-modern-demo Font: Permanent Marker: http://www.fontspace.com/font-diner/permanent-marker.

Learn your Bodmas easily B O The Order of DM Operations If the text comes in a strange AS font, go ahead to slide 2. Finding BODMAS complicated? An easy lesson on how to learn your BODMAS

Is the font bad? To view this PPT in the original font download the font “Whiteboard Modern Demo” from: and “Permanent Marker” from: If you don’t want to do that you can look at my other version of the PPT with a normal font on my SlideShare home page: If the hyperlinks don’t work the links are in the description. An easy lesson on how to learn your BODMAS

The Order of Operations •BODMAS are used so that we don’t have to overuse parenthesis. • If we want to multiply 2*3 and then add by 5*4 you can’t write it like 2*3+5*4. You would have to do like 2*3+(5*4). •The BODMAS system prioritizes the * before the +, which will let you use less brackets. • There are several more reasons which you can read at http://mathforum.org/library/drmath/view/72759. html An easy lesson on how to learn your BODMAS

The letters stand for: B rackets O rders D ivision M ultiplication A ddition S ubtraction An easy lesson on how to learn your BODMAS

B rackets O rders D ivision M ultiplication A ddition S ubtraction Meaning or example: ( ), { }, [ ] 2 5 , 25 25÷5 5x5 5+5 10-5 An easy lesson on how to learn your BODMAS

The ORDER of Operations 1 2 3 4 B O D M A S rackets rders ivision ul tiplication ddition ubtraction An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... Part 1 The exam paper says: √[4+18*2(-5+2⁴)]+5 5 Complicated, huh? But using bodmas? √[4+18*2(-5+2⁴)]+5 5 First, take out a calculator An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... part 2 Problem: You’ll have to calculate the √[4+18*2(-5+2⁴)]+5 numerator first (on the top) 5 Take the inside bracket first Exponents first! √[4+18*2(-5+2⁴)]+5= 2⁴=2*2*2*2=16 Use the BODMAS insIde the brackets: √[4+18*2(-5+16)]+5= -5+16=16-5= 11 There is no sign between two and the bracket, so 2* bracket: √[4+18*2(11)]+5= 2*11=22 Then following the BODMAS, take the multiplication: √[4+18*22]+5= (with calculator) 18*22=396 An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... Part 3 Problem: √[4+18*2(-5+2⁴)]+5 5 Then add the 2 numbers that are left inside the bracket: √[4+396] +5= 4+396=400 Now the square root: √400+5= (with calculator)√400=20 Then we only have 2 numbers left to add: 20+5= 20+5= 25 The last step is just to divide the answer by 5: 25/5= 5 25= 5 An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... Part 4 Problem: √[4+18*2(-5+2⁴)]+5 5 Now i can correctly state that: √[4+18*2(-5+2⁴)]+5=5 5 So the answer is: 5 An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... Part 5 Problem: √[4+18*2(-5+2⁴)]+5 5 Showing the work: √[4+18*2(-5+2⁴)]+5= 5 √[4+18*2(-5+16)]+5= 5 √[4+18*2(11)]+5= 5 √[4+18*22]+5= 5 √[4+396]+5= 5 Side notes: 2*2*2*2=16 -5+16=16-5=11 2*11=22 18*22=396 4+396=400 An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... Part 6 Problem: √[4+18*2(-5+2⁴)]+5 5 Showing the work: √400+5= 5 20+5= 5 25= 5 Answer: √[4+18*2(-5+2⁴)]+5= 5 5 Side notes: √400=20 20+5=25 25=5 5 An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... Part 7 Have some training (answers on next slide): 1) 2*6+3-4/2-5+20/5*3+50 2) (3+3-5)*(15-5)*10-99 3) 50/5-7*2+11+3*10/2-2+6*5 4) 4+5-7+8*5-12*2/8+6-3+20/2 5) 9*9-30/3+5-6+7-2+9*9 6) 10*4-6+7-8/2+3*3+(4+5-6/3)+1)/2 An easy lesson on how to learn your BODMAS

How to use it Continued on next slide... Part 8 Answers: 1) 70 2) 1 3) 50 4) 52 5) 156 6) 27 An easy lesson on how to learn your BODMAS

THE END Please ask questions on the comments below if you did not understand.Please follow and support me for more SlideShares (but I’ll do them anyways even if you won’t support me). Please suggest me some topics too. Greetings Aritra. An easy lesson on how to learn your BODMAS

 User name: Comment:

The Jewelry Store | 04/04/15
Nice article, It was funny. The Jewelry Store http://www.e2by.info/
The Jewelry Store | 06/04/15
Nice article, It was funny. The Jewelry Store http://www.e2by.info/

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