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17 Mar 2018

Operations on Numbers : Addition and Subtraction




READ THE NUMBERS

FIRST WATCH THE READ  NUMBERS VIDEOS AND THAN FOLLOW THE OTHER LESSONS.







SUBTRACT THE NUMBERS
















Operations on Numbers : Addition and Subtraction


Addition
          

We have learnt how to add numbers having up to five digits. We can add numbers having more than five digits using the same method. Study the following examples.



Ex. 1. Add                                                 
658003 + 804017                                    

TL
L
TTH
TH
H
T
U

+

6
8
5
0
8
4
0
0
0
1
3
7

1

1


1


1
4
6
2
0
2
0



Ex. 2. Add
890067 + 9989744

1
1
1


1
1


C
TL
L
TH
TH
H
T
U



8
9
0
0
6
7
+

9
9
8
9
7
4
4

1
0
8
7
9
8
1
1


Make a habit of keeping the carried over number in your mind rather than writing it down.

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