Advertisements
Advertisements
प्रश्न
Number Surprises
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
Circle the correct multiplication fact (by using method of casting out nine).
132 × 43 = 5676
Circle the correct division fact (by using method of casting out nine).
728 ÷ 4 = 182
Circle the correct addition fact (by using casting out nine).
6023 + 3203 = 9220
90, 180, 270, _______, ________, ________.
Complete the following sequence.
| 200 | 400 | 600 |
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.
Take the first two odd numbers. Now add them, see what you get. Now, at every step, add the next odd number.|
How far can you go on?
Write a set of clues for a secret number of your own. Then give it to a friend to guess your secret number.
