2 DIGIT 2 DIGIT SUBTRACTIOSUBTRACTIO

NN

(with regrouping)(with regrouping)

In In this this lesson lesson you will you will learn to subtractlearn to subtract 2-2-

digit digit numbers...numbers...

LookLook at at thethe following following

subtraction:subtraction:

4 54 5 - - 3 7 3 7 --------------

4 4 55 - - 3 3 77 --------------

3 153 15 4 4 55

- - 3 3 77 --------------

3 3 1515 44 55

- - 3 3 77 --------------

88

33 15 15 44 55

- - 33 77 --------------

0 80 8

Very Very goodgood, now , now try try to to do do thisthis other other

subtraction:subtraction:

5 15 1 - - 3 6 3 6 --------------

5 5 11 - - 3 3 66 --------------

4 114 11 55 11

- - 3 3 66 --------------

4 4 1111 55 11

- - 3 3 66 --------------

55

44 11 11 55 11

- - 33 6 6 --------------

1 51 5

Now, Now, let’s let’s look look at at another another example:example:

6 5 6 5 - - 2 8 2 8 --------------

6 6 55 - - 2 2 88 --------------

5 155 15 6 56 5 - - 2 2 88 --------------

5 5 1515 6 56 5 - - 2 2 88 --------------

77

55 1515 6 56 5 - - 2 2 88 --------------

3 73 7

Now Now you tryyou try it:it:

11.. 3 0 3 0 22.. 5 8 5 8 - - 1 5 1 5 - - 2 92 9 ----- ----------- ------

11.. 3 3 00 22.. 5 8 5 8 - - 1 1 5 5 - - 2 92 9 ----- ----------- ------

22 10 1011.. 3 3 00 22.. 5 8 5 8 - - 1 1 5 5 - - 2 92 9 ----- ----------- ------

22 10 1011.. 3 3 00 22.. 5 8 5 8 - - 1 1 5 5 - - 2 92 9 ----- ----------- ------

55

22 101011.. 3 3 00 22.. 5 8 5 8 - - 11 55 - - 2 92 9 ----- ----------- ------

1 51 5

22 101011.. 3 3 00 22.. 5 5 88 - - 11 55 - - 2 2 99 ----- ----------- ------

1 51 5

22 10 4 10 4 1818 11.. 3 3 00 22.. 5 5 88

- - 11 55 - - 2 2 99 ----- ----------- ------

1 51 5

2 10 4 2 10 4 1818 11.. 3 3 00 22.. 5 5 88

- - 11 55 - - 2 2 99 ----- ----------- ------

1 5 9 1 5 9

2 10 2 10 44 18 18 11.. 3 3 00 22.. 5 5 88

- - 11 55 - - 22 99 ----- ----------- ------

1 5 9 1 5 9

22 10 10 44 18 18 11.. 3 3 00 22.. 5 5 88

- - 11 55 - - 22 99 ----- ----------- ------

1 5 2 9 1 5 2 9

33.. 4 1 4 1 44.. 7 5 7 5 - - 1 3 1 3 - - 3 83 8 ----- ----------- ------

33.. 4 4 11 44.. 7 5 7 5 - - 1 1 33 - - 3 83 8 ----- ----------- ------

33 11 1133.. 44 11 44.. 7 5 7 5 - - 1 1 33 - - 3 83 8 ----- ----------- ------

33 11 1133.. 44 11 44.. 7 5 7 5 - - 1 1 33 - - 3 83 8 ------ ------------- -------

88

33 111133.. 44 11 44.. 7 5 7 5 - - 11 33 - - 3 83 8 ------ ------------- -------

2 82 8

3 3 111133.. 44 11 44.. 7 7 55 - - 1 1 33 - - 3 3 88 ------ ------------- -------

2 82 8

33 11 6 11 6 151533.. 44 11 44.. 7 7 55

- - 11 33 - - 3 3 88 ------ ------------- -------

2 82 8

33 11 6 11 6 151533.. 44 11 44.. 7 7 55

- - 1 1 33 - - 3 3 88 ------ ------------- -------

2 8 7 2 8 7

33 11 11 66 15 1533.. 44 11 44.. 7 7 55

- - 11 33 - - 33 88 ------ ------------- -------

2 8 7 2 8 7

33 11 11 66 15 1533.. 44 11 44.. 7 7 55

- - 11 33 - - 33 88 ------ ------------- -------

2 8 3 7 2 8 3 7

THE ENDTHE END