820 Times (820×) Multiplication Table
820 times table, 1 to 20
| 820 × 1 | 820 |
| 820 × 2 | 1,640 |
| 820 × 3 | 2,460 |
| 820 × 4 | 3,280 |
| 820 × 5 | 4,100 |
| 820 × 6 | 4,920 |
| 820 × 7 | 5,740 |
| 820 × 8 | 6,560 |
| 820 × 9 | 7,380 |
| 820 × 10 | 8,200 |
| 820 × 11 | 9,020 |
| 820 × 12 | 9,840 |
| 820 × 13 | 10,660 |
| 820 × 14 | 11,480 |
| 820 × 15 | 12,300 |
| 820 × 16 | 13,120 |
| 820 × 17 | 13,940 |
| 820 × 18 | 14,760 |
| 820 × 19 | 15,580 |
| 820 × 20 | 16,400 |
Patterns that help you remember it
- The last digits repeat in a cycle of 1: 0.
- Every answer is even, because 820 is even.
- Every answer ends in 0 or 5.
- Split it into tens and ones: 820 × k = 820 × k + 0 × k.
- Each answer is 820 more than the one before, so you can count on in steps of 820.
Building it from tables you already know
Every answer in the 820 times table is double the answer in the 410 times table: 410 × 6 = 2,460, so 820 × 6 = 4,920. To multiply 820 by 9, multiply by 10 and take one 820 away: 8,200 − 820 = 7,380. To multiply by 11, multiply by 10 and add one more 820: 8,200 + 820 = 9,020. Multiplying by 4 is doubling twice: 820 → 1,640 → 3,280.
Every multiple of 820 is at least 820, so there are none below 100 and 1 below 1,000. A number is in the 820 times table exactly when it divides by 820 with no remainder.
Odd, even and the last digit
Because 820 is even, every answer in its table is even, which is a quick way to catch a wrong answer. Multiplying by 10 always puts a zero on the end: 820 × 10 = 8,200, and 820 × 100 = 82,000. Multiplying by 5 is half of multiplying by 10: half of 8,200 is 4,100.
Using the 820 times table to divide
Every fact also works backwards: because 820 × 7 = 5,740, you know 5,740 ÷ 820 = 7 and 5,740 ÷ 7 = 820. Practising the table and its division facts together halves the work.
820 times table practice worksheet
- 820 × 12 = ______
- 820 × 7 = ______
- 820 × 9 = ______
- 820 × 2 = ______
- 820 × 11 = ______
- 820 × 3 = ______
- 820 × 9 = ______
- 820 × 6 = ______
- 820 × 2 = ______
- 820 × 6 = ______
- 820 × 7 = ______
- 820 × 6 = ______
Answer key
- 9,840
- 5,740
- 7,380
- 1,640
- 9,020
- 2,460
- 7,380
- 4,920
- 1,640
- 4,920
- 5,740
- 4,920
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 820 pencils. How many pencils are in 8 boxes?
Answer
8 × 820 = 6,560 pencils. - Tickets cost $820 each. How much do 7 tickets cost?
Answer
7 × $820 = $5,740. - 4,920 chairs are set out in rows of 820. How many rows are there?
Answer
4,920 ÷ 820 = 6 rows. - A plant grows 820 millimetres a week. How much does it grow in 11 weeks?
Answer
11 × 820 = 9,020 millimetres.
Questions
What is 820 × 12?
9,840.
What is half of 820 × 8?
820 × 8 = 6,560, and half of that is 3,280, which is 820 × 4. Halving one factor halves the answer.
What is 820 times 0?
0. Any number multiplied by zero is zero, because zero groups of 820 contain nothing.
What is 820 × 7 and 820 × 8?
820 × 7 = 5,740 and 820 × 8 = 6,560. These two are the facts most people find hardest, so they are worth practising on their own.
Is 12,300 in the 820 times table?
Yes: 12,300 ÷ 820 = 15 with no remainder. 12,301 is not, because dividing it by 820 leaves a remainder of 1.
How do I learn the 820 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.