What is the times table for 21?
| 21 Times Table up to 10 | |
|---|---|
| 21 × 1 = 21 | 21 × 6 = 126 |
| 21× 2 = 42 | 21 × 7 = 147 |
| 21 × 3 = 63 | 21 × 8 = 168 |
| 21 × 4 = 84 | 21 × 9 = 189 |
IS 21 in the 7 times table?
The 7 times table is: 1 × 7 = 7. 2 × 7 = 14. 3 × 7 = 21.
IS 21 in the 3 times tables?
The above diagram will help us to read and write the 3 times table. Now we will learn how to do forward counting and backward counting by 3’s. Forward counting by 3’s: 0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, ……
What multiplication makes 21?
1 x 21 = 21. 3 x 7 = 21. 7 x 3 = 21. 21 x 1 = 21.
What is the table of3?
Table of 3 can be calculated by repeated addition like 3 + 3 = 6 which is equivalent to 3 × 2. Learning table of 3 helps the child to gain a deeper understanding of multiplication which is helpful in the long run….Table of 3 from 11 to 20.
| 3 × 11 = 33 | 3 × 16 = 48 |
|---|---|
| 3 × 15 = 45 | 3 × 20 = 60 |
What are the factors of 21?
Factors of 21
- Factors of 21: 1, 3, 7 and 21.
- Negative Factors of 21: -1, -3, -7 and -21.
- Prime Factors of 21: 3, 7.
- Prime Factorization of 21: 3 × 7 = 3 × 7.
- Sum of Factors of 21: 32.
What makes 72 in the times table?
The repeated addition of 72 is the multiplication table of 72. For example, 72 + 72 + 72 = 3 × 72 = 216. On this page, you can find the table of 72 up to 20….Table of 72 up to 10.
| 72 × 1 = 72 | 72 × 6 = 432 |
|---|---|
| 72 × 3 = 216 | 72 × 8 = 576 |
| 72 × 4 = 288 | 72 × 9 = 648 |
| 72 × 5 = 360 | 72 × 10 = 720 |
What are the factors for 21?