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प्रश्न
What if someone gives you to add ten numbers together?
Did you notice some pattern in the answers?
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उत्तर
In each succeeding pattern, the final sum is increased by 100.
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संबंधित प्रश्न
Circle the correct subtraction fact (by using casting out nine).
6732 – 4361 = 2371
Circle the correct subtraction fact (by using casting out nine).
2362 – 632 = 1720
Circle the correct multiplication fact (by using method of casting out nine).
312 × 36 = 11232
A9, B18, C27, D36, _______, ________, _________.
Complete the following sequence.
9 × 6 = 54
9 × 66 = 594
9 × 666 = 5994
9 × 6666 = 5 ______ 4
9 × 666666 = _____________
The school bell rings once in an hour, to indicate that the session ends/next session begins. And for break, it will be 20 minutes. Shall we try to fill this up?
Here is the time table.
| Period 1 | Period 2 | Break | Period 3 | Period 4 | Break | Period 5 | Period 6 |
| 9:00 | 10:00 | 11:00 | 2:40 |
Look at the calendar below.
Let us mark 3 × 3 boxes (9 dates) on the calendar and see some magic.
| Take the smallest number | 3 |
| Add 8 to it | +8 |
| = | 11 |
| Multiply it by 9 | ×9 |
| Total | 99 |
Now you choose any 3 × 3 boxes from a calendar and find the total in the same way.
Ask your friend rite — W down your A age. dd 5 to it. Multiply the sum by 2. Subtract 10 from it. Next, divide it by 2. What do you get?
Number Surprises
Look at this pattern of numbers and take it forward.
1 = 1 × 1
121 = 11 × 11
12321 = 111 × 111
1234321 = ?
