# Addition Shortcuts (Mental Maths)

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In this post, we will show you how to do Additions Mentally. Have a look at the Following Examples........
• 342 + 557 + 629 + 746 + 825 = ?
• When we are adding three-digit numbers, first add-two-digits at a time (Units and Tens Place).
• 42 + 57 + 29 +| 46 + 25 = 199
• To add 42 and 57, mentally treat 57 as 50 + 7 ( Because 50 would facilitate quick addition)
• So, 42 + 57 = (42 + 50) + 7 = 92 + 7 = 99
• Similarly, 99 + 29 = (99 + 20_ + 9 = 128
• 128 + 46 = (128 + 40) + 6 = 174
• 174 + 25 = (174 + 20) + 5 = 199
• The last two digits (the units place and the tens place) of the addition are 99, while the digit 1 is to be carried forward).
• Now Add,
• 1 (Carried) + 3 + 5 + 6 + 7 + 8 = 30
• So, the answer of the above addition is 3099 (initially, it may look lil confusing. Just practice this method and you can find how efficient this method is :)
• The same logic can be extended to 4 digit additions too... have a look
• 6965 + 3246 + 1234 + 9847 + 8238 = ?
• Have a look at the solution below... (Click on the image to get a better view)

• 1598 + 5423 + 4627 + 7953 + 8675 = ?
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#### 44 comments:

1. :) nice mam !! plz provide content for short cut techniques req in statements and assumptions and similar ques asked in high level reasoning ?

2. yes mam ..please do the needful for the assumptions like questions ....looking forward ....very in need indeed ...

3. this website is really doing a worth job...really

4. SIR,
WHAT UR TELLING FOR US IS VERY VERY VERY USEFUL THANK U VERY MUCH SIR...

5. thank u sir, its really helpful...

6. THS IS REALLY HELPFUL FOR US

7. this site is doing really a great work..

8. superb trick.....thq very much...

9. sir/madam it is good we need more tricks to improve ourselves according to new update thank you lot.

10. Daer Sir/Mam
Plz provide the mothly magazine in the begning of the every month.

11. very good site....really helpful

12. very good site...really helpfulll

13. thanq so much.. :)

14. thanq admin..:)

15. very good...:)

16. spectacular............

17. spectacular.......

18. you guys are doing a great job hats off to you

19. I think above trick for addition is time consuming.....the better way is first add all thousand digits and then hundreds place digits and lastly add 10s place digits and units place..for example 1598+5423+4627+7953+8675
1000+5000+4000+7000+8000=25000 then 500+400+600+900+600=3000 and 90+20+20+50+70=250 and
8+3+7+3+5=26 then add all 25000+3000+250+26=28276

1. COOL this is also nice method

2. This is so interesting , nice idea

20. I love this site......

21. this is very easy when compared to previous one

22. this method is very easy when compared to previous one

23. Thank You. U PPL R doing gr8 job

24. GR8ambition was really great

25. mam.. ths website is really grt. thank you.
how do we do if its 5 digits?.

26. Sir
a very nice techniques and very easy

27. Sir

a very nice techniques and very easy method

28. good technique

29. good techniques ,,

30. NICE BUT I WANT SO MANY SHORTCUTS

31. thank you very much for your help

32. there are several questions of same numeric value such as
4+44+444+4444+44444
for these type always remember 1+11+111+1111+11111 = 12345
now multiply the term by 4 is ur answer.

n when the terms are in decimal such as
.8+.88+.888+.8888+.88888
then the sum of .1+.11+.111+.1111+.11111 is .54321
now multiply the term by 8 is ur answer..

33. Superb work....hats off.........

34. Nice site yar............

35. thanx shiv rk madam U made my day

36. 101+1001+2003+30005+9056
give short cut method for these type of questions