__Math Trick__

How
to multiple two and three digits with short trick
helpful in many competitive exams

## TWO DIGIT MULTIPLY TRICKS

Two
digit- AB * CD

Ist step B *D

2

^{ND}STEP A * D + B * C
Last step A* C

For example
42*56

Ist
step 2 * 6 =12

_{1}2
2

^{ND}STEP 4* 6 + 2 * 5= 34_{3}4
Last step 4* 5=20

_{1}5
20

_{3}4_{1}2
ADDING THESE TERM LIKE THIS

31 ß base digits

+ 2042

----------------------

2352

### THREE DIGITS MULTIPLY TRICKS

Three
digit-
ABC * DEF

Ist
step C * F

2

^{ND}STEP B * F + C * E
3

^{ND}STEP A * F + B* E + c* D
4

^{TH}STEP A*E+ B * D
Last step A*D

For example

346 * 527

Ist step 6 * 7 = 42

_{4}2
2

^{ND}STEP 4* 7 + 6 * 2= 40_{4}0
3

^{ND}STEP 3 * 7 + 4* 2 + 6* 5=59_{5}9
4

^{TH}STEP 3* 2+ 4 * 5 =26_{2}6
Last step 3* 5 =15 15

_{ }Combine these term like this

_{ }

15

_{ 2}6_{5}9_{4}0_{4}2
ADDING THESE TERMS LIKE THIS

2544 ß base digits

+ 156902

----------------------

182342

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