Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
Take the smallest number = 4
Add 8 to it, 4 + 8 = 12
Multiplying it by 9, 12 × 9 = 108
So, the sum of all the numbers in the selected box is 108.
APPEARS IN
संबंधित प्रश्न
Circle the multiples of 9 (by using casting out nine).
9443
Circle the correct addition fact (by using casting out nine).
7632 + 2213 = 9845
Circle the correct addition fact (by using casting out nine).
4355 + 5369 = 9724
Circle the correct subtraction fact (by using casting out nine).
3264 − 1063 = 2200
A9, B18, C27, D36, _______, ________, _________.
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?
Write a set of clues for a secret number of your own. Then give it to a friend to guess your secret number.
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
Now make your own number surprises.
