HOW TO MULTIPLY TWO AND THREE DIGITS TRICKS

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

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For example 42*56

Ist step 2 * 6 =12 ₁2

2^ND STEP 4* 6 + 2 * 5= 34 ₃4

Last step 4* 5=20 ₁5

20₃4₁2

ADDING THESE TERM LIKE THIS

31 ß base digits

+ 2042

———————-

2352

Three digit- ABC * DEF

Ist step C * F

2^NDSTEP B * F + C * E

3^NDSTEP 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 ₄2

2^ND STEP 4* 7 + 6 * 2= 40 ₄0

3^ND STEP 3 * 7 + 4* 2 + 6* 5=59 ₅9

4^TH STEP 3* 2+ 4 * 5 =26 ₂6

Last step 3* 5 =15 15

Combine these term like this

15₂6₅9 ₄0₄2

ADDING THESE TERMS LIKE THIS

2544 ß base digits

+ 156902

———————-

182342

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