36
Section 1 Whole Numbers
Copyright by The Goodheart-Willcox Co., Inc.
To use this chart, the product of multiplying each number along the top row by each
number in the left column is found where the row and column intersect. For example, to find
the answer to 8 times 4, locate their intersecting squares. Following column 8 down to row 4
shows the answer to be 32. Likewise, following column 4 down to row 8 also results in 32.
Incidentally, there is no special reason why the multiplication table stopped at 12. It is
probably because most people did not want to memorize beyond that point. Even in this age
of electronic calculators, you should be very familiar with the multiplication table. You should
commit it to memory.
Method Used to Multiply Whole Numbers
Large numbers are calculated by writing them out. To begin, you should know the
appropriate terminology.
132 Multiplicand
× 23 Multiplier
3,036
Product
8 × 1 = 8 9 × 10 1 = 9 × 1 = 10 11 × 12 1 = 11 × 1 = 12
8 × 2 = 16 9 × 10 2 = 18 × 2 = 20 11 × 12 2 = 22 × 2 = 24
8 × 3 = 24 9 × 10 3 = 27 × 3 = 30 11 × 12 3 = 33 × 3 = 36
8 × 4 = 32 9 × 10 4 = 36 × 4 = 40 11 × 12 4 = 44 × 4 = 48
8 × 5 = 40 9 × 10 5 = 45 × 5 = 50 11 × 12 5 = 55 × 5 = 60
8 × 6 = 48 9 × 10 6 = 54 × 6 = 60 11 × 12 6 = 66 × 6 = 72
8 × 7 = 56 9 × 10 7 = 63 × 7 = 70 11 × 12 7 = 77 × 7 = 84
8 × 8 = 64 9 × 10 8 = 72 × 8 = 80 11 × 12 8 = 88 × 8 = 96
8 × 9 = 72 9 × 10 9 = 81 × 9 = 90 11 × 12 9 = 99 × 9 = 108
8 × 10 = 80 9 × 10 10 = 90 × 10 = 100 11 × 12 10 = 110 × 10 = 120
8 × 11 = 88 9 × 10 11 = 99 × 11 = 110 11 × 12 11 = 121 × 11 = 132
8 × 12 = 96 9 × 10 12 = 108 × 12 = 120 11 × 12 12 = 132 × 12 = 144
1 2 3 4 5 6 7 8 9 10 11 12
4 6 8 10 12 14 16 18 20 22 24 2 10 18
6 9 12 15 18 21 24 27 30 33 36 3 1 5 2 7
8 12 16 20 24 28 32 36 40 44 48 4 20 36
5 10 15 20 25 30 35 40 45 50 55 60
12 18 24 30 36 42 48 54 60 66 72 6 30 5 4
70 77 84 63 42 49 56 35 14 21 28 7
80 88 96 72 48 56 64 40 16 24 32 8
18 27 36 45 54 63 72 81 90 99 108 9
100 110 120 90 60 70 80 50 20 30 40 10
110 121 132 99 66 77 88 55 22 33 44 11
120 132 144 108 72 84 96 60 24 36 48 12