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प्रश्न
Number Surprises
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उत्तर
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संबंधित प्रश्न
Circle the multiples of 9 (by using casting out nine).
23769
Circle the correct subtraction fact (by using casting out nine).
6732 – 4361 = 2371
Circle the correct multiplication fact (by using method of casting out nine).
312 × 36 = 11232
Complete the following sequence.
| 200 | 400 | 600 |
Complete the following sequence.
9 × 6 = 54
9 × 66 = 594
9 × 666 = 5994
9 × 6666 = 5 ______ 4
9 × 666666 = _____________
Complete the following sequence.
9 × 111 = 999
9 × 222 = 1998
9 × 333 = 2997
9 × 444 = ________
9 × 555 = ________
9 × 666 = ________
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 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.
