Multiplication chart: 1 to 12
This is the full multiplication chart from 1×1 to 12×12 — the range used in most US classrooms, one step beyond the 1-to-10 table taught elsewhere. Read any product by crossing a row with a column: row 7, column 8 gives 56.
| × | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| 2 | 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| 3 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30 | 33 | 36 |
| 4 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 | 44 | 48 |
| 5 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 |
| 6 | 6 | 12 | 18 | 24 | 30 | 36 | 42 | 48 | 54 | 60 | 66 | 72 |
| 7 | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70 | 77 | 84 |
| 8 | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | 80 | 88 | 96 |
| 9 | 9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 | 90 | 99 | 108 |
| 10 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 |
| 11 | 11 | 22 | 33 | 44 | 55 | 66 | 77 | 88 | 99 | 110 | 121 | 132 |
| 12 | 12 | 24 | 36 | 48 | 60 | 72 | 84 | 96 | 108 | 120 | 132 | 144 |
Como ler este número
Why the chart is symmetric
O que fazer com isso
The trick for the 9s
Como ler este número
The diagonal is the squares
Why memorize the multiplication chart at all?
Every product on this chart gets used constantly outside school: splitting a bill, converting units, scaling a recipe, estimating a total at the store. Memorizing it trades a few seconds of mental arithmetic now for years of not reaching for a calculator for small numbers.
The chart has 144 cells, but only 78 of them are actually new information, because of the mirror symmetry across the diagonal (7×8 = 8×7) — and 21 of those 78 are the easy ×1 and ×10 rows. What is left to really memorize is a much smaller core, mostly the 6×7, 6×8, 7×8, 7×9, 8×9 group that most people find hardest.
What does 7 times 8 actually mean?
Multiplication is repeated addition: 7×8 means eight groups of seven (or seven groups of eight — same result), which is why skip-counting by 7s eight times — 7, 14, 21, 28, 35, 42, 49, 56 — lands on the same 56 found by crossing row 7 with column 8 on the chart above.