1831 Times (1831×) Multiplication Table
1831 times table, 1 to 20
| 1831 × 1 | 1,831 |
| 1831 × 2 | 3,662 |
| 1831 × 3 | 5,493 |
| 1831 × 4 | 7,324 |
| 1831 × 5 | 9,155 |
| 1831 × 6 | 10,986 |
| 1831 × 7 | 12,817 |
| 1831 × 8 | 14,648 |
| 1831 × 9 | 16,479 |
| 1831 × 10 | 18,310 |
| 1831 × 11 | 20,141 |
| 1831 × 12 | 21,972 |
| 1831 × 13 | 23,803 |
| 1831 × 14 | 25,634 |
| 1831 × 15 | 27,465 |
| 1831 × 16 | 29,296 |
| 1831 × 17 | 31,127 |
| 1831 × 18 | 32,958 |
| 1831 × 19 | 34,789 |
| 1831 × 20 | 36,620 |
Patterns that help you remember it
- The last digits repeat in a cycle of 10: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0.
- Split it into tens and ones: 1831 × k = 1830 × k + 1 × k.
- Each answer is 1831 more than the one before, so you can count on in steps of 1831.
Building it from tables you already know
To multiply 1831 by 9, multiply by 10 and take one 1831 away: 18,310 − 1831 = 16,479. To multiply by 11, multiply by 10 and add one more 1831: 18,310 + 1831 = 20,141. Multiplying by 4 is doubling twice: 1831 → 3,662 → 7,324.
Every multiple of 1831 is at least 1831, so there are none below 100 and 0 below 1,000. A number is in the 1831 times table exactly when it divides by 1831 with no remainder.
Odd, even and the last digit
Because 1831 is odd, the answers alternate between odd and even: 1831 × 1 = 1831 is odd, 1831 × 2 = 3,662 is even, and so on. Multiplying by 10 always puts a zero on the end: 1831 × 10 = 18,310, and 1831 × 100 = 183,100. Multiplying by 5 is half of multiplying by 10: half of 18,310 is 9,155.
Using the 1831 times table to divide
Every fact also works backwards: because 1831 × 7 = 12,817, you know 12,817 ÷ 1831 = 7 and 12,817 ÷ 7 = 1831. Practising the table and its division facts together halves the work.
1831 times table practice worksheet
- 1831 × 7 = ______
- 1831 × 11 = ______
- 1831 × 4 = ______
- 1831 × 3 = ______
- 1831 × 1 = ______
- 1831 × 12 = ______
- 1831 × 6 = ______
- 1831 × 7 = ______
- 1831 × 8 = ______
- 1831 × 1 = ______
- 1831 × 9 = ______
- 1831 × 3 = ______
Answer key
- 12,817
- 20,141
- 7,324
- 5,493
- 1,831
- 21,972
- 10,986
- 12,817
- 14,648
- 1,831
- 16,479
- 5,493
Word problems
Times tables are most useful when you can spot them in a question. Try these, then open each one to check:
- A box holds 1831 pencils. How many pencils are in 8 boxes?
Answer
8 × 1831 = 14,648 pencils. - Tickets cost $1831 each. How much do 9 tickets cost?
Answer
9 × $1831 = $16,479. - 3,662 chairs are set out in rows of 1831. How many rows are there?
Answer
3,662 ÷ 1831 = 2 rows. - A plant grows 1831 millimetres a week. How much does it grow in 6 weeks?
Answer
6 × 1831 = 10,986 millimetres.
Questions
What is 1831 × 12?
21,972.
What is half of 1831 × 8?
1831 × 8 = 14,648, and half of that is 7,324, which is 1831 × 4. Halving one factor halves the answer.
What is 1831 times 0?
0. Any number multiplied by zero is zero, because zero groups of 1831 contain nothing.
What is 1831 × 7 and 1831 × 8?
1831 × 7 = 12,817 and 1831 × 8 = 14,648. These two are the facts most people find hardest, so they are worth practising on their own.
Is 27,465 in the 1831 times table?
Yes: 27,465 ÷ 1831 = 15 with no remainder. 27,466 is not, because dividing it by 1831 leaves a remainder of 1.
How do I learn the 1831 times table quickly?
Learn it in order first, then use the patterns above and practise mixed questions; a few minutes a day works better than one long session.