🌟 Multiplication by 9 & Division by 9 🌟
Let's discover the magical world of 9s!
🎯 What is Multiplication by 9?
Multiplication by 9 means:
Taking a number NINE times!
It's like adding the same number to itself 9 times!
Example: 9 × 3 means:
3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 = 27
That's 3 added NINE times!
📊 The Amazing 9 Times Table!
| Multiplication | Answer | Digit Sum |
|---|---|---|
| 9 × 1 | 9 | 9 |
| 9 × 2 | 18 | 1+8=9 |
| 9 × 3 | 27 | 2+7=9 |
| 9 × 4 | 36 | 3+6=9 |
| 9 × 5 | 45 | 4+5=9 |
| 9 × 6 | 54 | 5+4=9 |
| 9 × 7 | 63 | 6+3=9 |
| 9 × 8 | 72 | 7+2=9 |
| 9 × 9 | 81 | 8+1=9 |
| 9 × 10 | 90 | 9+0=9 |
🎉 Magic Pattern!
The digits of EVERY answer add up to 9!
Interactive visualization — available in the full lesson