Becoming fluent in math tables is necessary if you want to do complex mathematical calculations fast. Memorizing the tables becomes very helpful during exams as well as in our day-to-day lives.
Here’s the table of 81 which consists of the multiplication of 81 with the whole numbers:
Multiplication table of 81
Here’s the multiplication table of 81 up to x20:
| 81 times | Equals |
|---|---|
| 81 x 1 | 81 |
| 81 x 2 | 162 |
| 81 x 3 | 243 |
| 81 x 4 | 324 |
| 81 x 5 | 405 |
| 81 x 6 | 486 |
| 81 x 7 | 567 |
| 81 x 8 | 648 |
| 81 x 9 | 729 |
| 81 x 10 | 810 |
| 81 x 11 | 891 |
| 81 x 12 | 972 |
| 81 x 13 | 1053 |
| 81 x 14 | 1134 |
| 81 x 15 | 1215 |
| 81 x 16 | 1296 |
| 81 x 17 | 1377 |
| 81 x 18 | 1458 |
| 81 x 19 | 1539 |
| 81 x 20 | 1620 |
81 times table in words
- 81 times 1 is equal to 81
- 81 times 2 is equal to 162
- 81 times 3 is equal to 243
- 81 times 4 is equal to 324
- 81 times 5 is equal to 405
- 81 times 6 is equal to 486
- 81 times 7 is equal to 567
- 81 times 8 is equal to 648
- 81 times 9 is equal to 729
- 81 times 10 is equal to 810
- 81 times 11 is equal to 891
- 81 times 12 is equal to 972
- 81 times 13 is equal to 1053
- 81 times 14 is equal to 1134
- 81 times 15 is equal to 1215
- 81 times 16 is equal to 1296
- 81 times 17 is equal to 1377
- 81 times 18 is equal to 1458
- 81 times 19 is equal to 1539
- 81 times 20 is equal to 1620
Also see:
Multiplication table of 81 in the form of addition
Multiplication of natural numbers is repeated addition.
If you have to multiply 81 to 3 then it’s just the addition of 81 three times, i.e., 81 + 81 + 81 which ultimately gives you 243.
Let’s take a look at the full table of 81 below:
| Multiplication | Addition |
|---|---|
| 81 x 1 = 81 | 81 |
| 81 x 2 = 162 | 81 + 81 |
| 81 x 3 = 243 | 81 + 81 + 81 |
| 81 x 4 = 324 | 81 + 81 + 81 + 81 |
| 81 x 5 = 405 | 81 + 81 + 81 + 81 + 81 |
| 81 x 6 = 486 | 81 + 81 + 81 + 81 + 81 + 81 |
| 81 x 7 = 567 | 81 + 81 + 81 + 81 + 81 + 81 + 81 |
| 81 x 8 = 648 | 81 + 81 + 81 + 81 + 81 + 81 + 81 + 81 |
| 81 x 9 = 729 | 81 + 81 + 81 + 81 + 81 + 81 + 81 + 81 + 81 |
| 81 x 10 = 810 | 81 + 81 + 81 + 81 + 81 + 81 + 81 + 81 + 81 + 81 |
FAQs
1. How to count or read the table of 81?
You can read the table of 81 by following the below lines:
- 81 times one is 81
- 81 times two is 162
- 81 times three is 243
- 81 times four is 324
- 81 times five is 405
- 81 times six is 486
- 81 times seven is 567
- 81 times eight is 648
- 81 times nine is 729
- 81 times ten is 810
2. Why memorizing tables is important?
Memorizing tables makes mental calculations effortless and efficient, it makes people think. The multiplication tables come in very handy while doing geometry, algebra, trigonometry, calculus, number theory, etc.