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प्रश्न
Number Surprises
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उत्तर
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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).
4355 + 5369 = 9724
Circle the correct multiplication fact (by using method of casting out nine).
312 × 36 = 11232
Circle the multiples of 9
25, 27, 35, 36, 45, 46, 54, 55
Imagine you are a traffic inspector. You are asked to design the traffic signal timings. Can you design it?
| Red | Yellow/Orange | Green | Red | Green |
| 7:30 a.m |
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 make your own number surprises.
