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 21 which consists of the multiplication of 21 with the whole numbers:
Multiplication table of 21
Here’s the multiplication table of 21 up to x20:
| 21 times | Equals |
|---|---|
| 21 x 1 | 21 |
| 21 x 2 | 42 |
| 21 x 3 | 63 |
| 21 x 4 | 84 |
| 21 x 5 | 105 |
| 21 x 6 | 126 |
| 21 x 7 | 147 |
| 21 x 8 | 168 |
| 21 x 9 | 189 |
| 21 x 10 | 210 |
| 21 x 11 | 231 |
| 21 x 12 | 252 |
| 21 x 13 | 273 |
| 21 x 14 | 294 |
| 21 x 15 | 315 |
| 21 x 16 | 336 |
| 21 x 17 | 357 |
| 21 x 18 | 378 |
| 21 x 19 | 399 |
| 21 x 20 | 420 |
21 times table in words
- 21 times 1 is equal to 21
- 21 times 2 is equal to 42
- 21 times 3 is equal to 63
- 21 times 4 is equal to 84
- 21 times 5 is equal to 105
- 21 times 6 is equal to 126
- 21 times 7 is equal to 147
- 21 times 8 is equal to 168
- 21 times 9 is equal to 189
- 21 times 10 is equal to 210
- 21 times 11 is equal to 231
- 21 times 12 is equal to 252
- 21 times 13 is equal to 273
- 21 times 14 is equal to 294
- 21 times 15 is equal to 315
- 21 times 16 is equal to 336
- 21 times 17 is equal to 357
- 21 times 18 is equal to 378
- 21 times 19 is equal to 399
- 21 times 20 is equal to 420
Also see:
Multiplication table of 21 in the form of addition
Multiplication of natural numbers is repeated addition.
If you have to multiply 21 to 3 then it’s just the addition of 21 three times, i.e., 21 + 21 + 21 which ultimately gives you 63.
Let’s take a look at the full table of 21 below:
| Multiplication | Addition |
|---|---|
| 21 x 1 = 21 | 21 |
| 21 x 2 = 42 | 21 + 21 |
| 21 x 3 = 63 | 21 + 21 + 21 |
| 21 x 4 = 84 | 21 + 21 + 21 + 21 |
| 21 x 5 = 105 | 21 + 21 + 21 + 21 + 21 |
| 21 x 6 = 126 | 21 + 21 + 21 + 21 + 21 + 21 |
| 21 x 7 = 147 | 21 + 21 + 21 + 21 + 21 + 21 + 21 |
| 21 x 8 = 168 | 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 |
| 21 x 9 = 189 | 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 |
| 21 x 10 = 210 | 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 + 21 |
FAQs
1. How to count or read the table of 21?
You can read the table of 21 by following the below lines:
- 21 times one is 21
- 21 times two is 42
- 21 times three is 63
- 21 times four is 84
- 21 times five is 105
- 21 times six is 126
- 21 times seven is 147
- 21 times eight is 168
- 21 times nine is 189
- 21 times ten is 210
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.