Tabliczka mnożenia = triki MULTIPLICATION TRICKS.pdf

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a
x 0 = 0
, a-any number
example:
4x0=0
ax1=a
example:
Multiplication
tricks
ax9
multiplying
numbers from 6 to 9
a x b ,
a + b ≠ 10
5x1=5
a
x 11 =
aa
, a-any number from 1 to 9
example:
7
x 11 =
77
ax2=a+a
example:
3x2=3+3=6
number of fingers below 7 and 9 equals (we
th
th
adding
them including 7 and 9 finger):
2 + 4 =
6 (tens)
Number of fingers above 7 and 9 equals (we
multiply
them): 3 x 1 =
3 (units)
a
x 5 = ?0 or ?5
a
x 6 =
a÷2
a
,
a - an even number: 2, 4, 6, 8, 10
example:
4
x 6 =
4
÷
2
4
= 24
if you multiply six by an
even
number , it will
end in the same digit
the number in the tens place will be half of
the number in the ones one
Magdalena Kotecka
Multiplying 2 digit numbers
Multiplying 2 digit numbers when numbers are with close nominals
Multiplying 2 digit number when second numbers are the same

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