13 times table

Every fact from 13 × 1 to 13 × 12, the one trick that makes the 13s easy, and a timed quiz to check you know them.

The trick: ten times plus three times

13 × n = 10 × n + 3 × n: 13 × 7 = 70 + 21 = 91. Watch for 91: it looks prime, but it's 7 × 13.

Patterns in the 13s

The last digits from 13 × 1 to 13 × 10 run 3, 6, 9, 2, 5, 8, 1, 4, 7, 0: every digit from 0 to 9 appears exactly once, so no two answers in the first ten share an ending.

The 13 times table is the 10 times table plus the 3 times table, row by row: 13 × 6 = 10 × 6 + 3 × 6 = 60 + 18 = 78.

Each answer is 13 more than the one before, so if you know 13 × 6 = 78, then 13 × 7 is 78 + 13 = 91.

The facts people miss

These are usually the slowest of the 13s to recall. Learn them first:

• 13 × 6 = 78
• 13 × 7 = 91
• 13 × 9 = 117

Frequently asked questions

What is 13 × 12?

13 × 12 = 156.

What is the trick for the 13 times table?

Ten times plus three times. 13 × n = 10 × n + 3 × n: 13 × 7 = 70 + 21 = 91. Watch for 91: it looks prime, but it's 7 × 13.

How do I practise the 13 times table?

Use the timed quiz on this page: it asks every fact from 13 × 1 to 13 × 12 in random order and shows which ones you missed. Repeat until every answer is instant.

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