A multiplication chart is two things at once: a reference to pin up, and — in its blank form — one of the better ways to practice. Filling an empty grid is harder than answering a row of questions, because you have to hold the whole structure in mind, and the patterns that appear as it fills in are worth seeing. The diagonal of square numbers, the symmetry either side of it, the column of tens that never needs thinking about: all of that is visible on a chart and invisible on a worksheet.
Filled 12 x 12 charts sized to read from across a room, blank grids with the row and column headers printed for completion from memory, and partly filled versions that supply roughly half the grid and leave the rest empty. The partly filled sheets are the most useful for practice, since they remove the pattern you would otherwise count along. One chart per US Letter page, black and white.
What patterns can you see in a multiplication chart?
The square numbers run down the diagonal, and the grid is symmetrical about it because 6 x 8 and 8 x 6 give the same answer — which means there is only about half as much to learn as the grid suggests. The tens column and row are constant, the fives alternate between 0 and 5 endings, and the nines run diagonally with digits summing to nine.
Should a child use a chart while doing worksheets?
In the early stages, yes. A chart used as a reference keeps a student working on the actual task instead of stalling on a fact, and repeated lookups of the same square tend to become memory. The point to withdraw it is when they can find the answer faster in their head than on the grid.
Blank chart or filled chart?
Filled charts are for reference; blank ones are for practice. Filling a blank grid against the clock is a demanding exercise that reveals gaps immediately, since the empty squares at the end are exactly the facts that are missing.
Does a chart need to go to 12?
These charts run to 12 x 12, which covers the 10 x 10 range as well — the first ten rows and columns are exactly the smaller grid. School systems differ on whether facts to 10 or to 12 are expected, so if only the tens are needed, use the top-left corner and ignore the rest.