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Seek The
Multiplication Treasure
2009-2010
Copy this problem. Multiply the
factors in the top row by the digit in
the ones place in the second factor.
342
x 23
1
342
x 3
1026
Since 4 • 3=12 Carry the 1
and
write 4
down
Multiply
Multiply
Multiply
•33 ••the
23 +2 1
Now you will multiply the top factor
by the tens digit in the second factor.
In this problem, you multiply by the
2 in the tens place or 20.
342
x 23
342
x 23
1026
Since the 2 actually represents 2 tens or 20,
we will want to put a zero in the ones place
in the second row of our work before we
multiply anything else.
342
x 23
342
x 23
1026
0
Multiply the 2 times every digit in the top
factor and write the answer in the second
row below the line.
342
x 23
342
x 23
1026
6 84 0
To check to see if you are ready to add,
count the number of digits in the second
factor.
342
x 23
There are two
digits in the
second factor.
342
x 23
1026
6 84 0
Since there are two digits in the second
factor there should be two rows of numbers
to add to get the product.
342
x 23
There are two
digits in the
second factor.
342
x 23
1026
6 84 0
one
two
Since the number of digits matches the
number of rows, we now add the rows
together to get the product of the original
problem.
342
x 23
There are two
digits in the
second factor.
342
x 23
1026
+ 6 84 0
one
two
Since the number of digits matches the
number of rows, we now add the rows
together to get the product of the original
problem.
342
x 23
342
x 23
1026
+ 6 84 0
7866
Work the following problem following the
steps used in the previous problem.
914
x 48
Work the following problem following the
steps used in the previous problem.
1
914
x 48
7312
+ 36560
43,872
Work the following problem following the
steps used in the previous problem.
55
66
767
x 89
6903
+ 61360
68,263
Are you up to the adventure of
finding the multiplication
treasure? Remember X
(multiplication) marks the spot!