Advertisements
Advertisements
प्रश्न
What if someone gives you to add ten numbers together?
Did you notice some pattern in the answers?
Advertisements
उत्तर
In each succeeding pattern, the final sum is increased by 100.
APPEARS IN
संबंधित प्रश्न
Circle the correct division fact (by using method of casting out nine).
7785 ÷ 9 = 865
Circle the correct addition fact (by using casting out nine).
4355 + 5369 = 9724
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).
723 × 24 = 17508
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 |
A city is planned in such a way that every 5 km has a circle and has 4 signals around.
So, can you guess where the signals and circle are there?
How many signals are needed for a 20 km distance?
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.
Take any number. Now multiply it by 2, 3, 4 ............... at every step. Also, add 3 to it at each step. Look at the difference in the answer. Is it the same at every step?
Now try doing it with some other number and also take a different number to add at each step.
Write a set of clues for a secret number of your own. Then give it to a friend to guess your secret number.
