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प्रश्न
Now make your own number surprises.
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उत्तर
Some examples are as follows:
Take a number = ______
Multiply by 4:
______ x 4 = ______
Add the number taken first:
______ + ______ = ______
Divide by 5:
______ ÷ 5 = ______
Let us take 11
11 × 4 = 44
44 + 11 = 55
55 ÷ 5 = 11
APPEARS IN
संबंधित प्रश्न
Circle the correct addition fact (by using casting out nine).
7632 + 2213 = 9845
Circle the correct subtraction fact (by using casting out nine).
6732 – 4361 = 2371
Circle the correct subtraction fact (by using casting out nine).
3264 − 1063 = 2200
Circle the correct multiplication fact (by using method of casting out nine).
723 × 24 = 17508
Complete the following sequence.
| 200 | 400 | 600 |
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.
Look at the numbers below. Look for the pattern. Can you take it forward?

