900 multiplied by 21 is 18900
900 × 21 = 18900
Explanation: Multiplication is repeated addition. So, 900 × 21 means adding 900, 21 times:
900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 + 900 = 18900
Word Problem Style
If you have 21 boxes and each box contains 900 apples, then the total number of apples is 18900.
Quick Facts
- 900 is called the multiplicand.
- 21 is called the multiplier.
- The result, 18900, is called the product.
Multiplication Table for 900
| 900 × N | Result |
|---|---|
| 900 × 1 | 900 |
| 900 × 2 | 1800 |
| 900 × 3 | 2700 |
| 900 × 4 | 3600 |
| 900 × 5 | 4500 |
| 900 × 6 | 5400 |
| 900 × 7 | 6300 |
| 900 × 8 | 7200 |
| 900 × 9 | 8100 |
| 900 × 10 | 9000 |
| 900 × 11 | 9900 |
| 900 × 12 | 10800 |