How it works
This 15 multiplication chart runs from 1 × 1 to 15 × 15 = 225. The 15 row and column are tinted, and that row starts like a clock: 15, 30, 45, 60, the quarter hours in minutes. Its 15 facts are listed further down.
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What a 15x15 multiplication chart adds
A multiplication chart to 15 adds rows 13, 14 and 15 to a 12 by 12 chart, taking it from 144 squares to 225. Those squares hold 89 different answers. Four tie for most common: 12, 24, 30 and 60, with 6 squares each. Counting a fact and its turnaround once gives 120 facts, 42 more than the smaller chart.
Fill in or print the multiplication chart 15 x 15
Choose Blank under Show the numbers and all 225 squares take answers on screen. Partly blank hides 56, 113 or 169 of them. Press Check, and Practice the ones you missed brings back only those squares. Print the chart turns the sheet on its side, and your multiplication chart 1-15 printable is done.
- To multiply by 15, take ten of the number and add half as much again: 15 × 8 is 80 + 40 = 120.
- Read the 15 row as minutes: 15 × 3 = 45 is three quarters of an hour and 15 × 8 = 120 is 2 hours.
Questions and answers
What number does a multiplication chart 1 to 15 go up to?
225, from 15 × 15 in the bottom right square. A 15 x 15 multiplication chart has 225 squares for the same reason: 15 rows of 15.
What is a 15s multiplication chart?
The 15 times table by itself, a multiplication chart of 15. Here it is the tinted row: count along the multiplication chart by 15 for 15, 30, 45, 60, on to 225. Tap any 90 to light every 90.
Why use a multiplication chart 15x15 when many stop at 12?
The 15s count quarter hours (15, 30, 45, 60) and land on 90 and 180, the degrees in a right angle and a half turn. Rows 13 and 14 give practice at splitting a number into ten and some more: 14 × 6 = 60 + 24 = 84.