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प्रश्न
Circle the correct multiplication fact (by using method of casting out nine).
723 × 24 = 17508
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उत्तर
723 × 24 = 17508
3 × 6 = 12
18 = 12
1 + 8 = 1 + 2
9 = 3
The multiplication is not correct.
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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 addition fact (by using casting out nine).
4355 + 5369 = 9724
Circle the correct addition fact (by using casting out nine).
2436 + 5315 = 7701
Circle the correct subtraction fact (by using casting out nine).
2362 – 632 = 1720
Complete the following sequence.
| A100 | C300 | E500 |
The school bell rings once in an hour, to indicate that the session ends/next session begins. And for break, it will be 20 minutes. Shall we try to fill this up?
Here is the time table.
| Period 1 | Period 2 | Break | Period 3 | Period 4 | Break | Period 5 | Period 6 |
| 9:00 | 10:00 | 11:00 | 2:40 |
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?
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?
Now make your own number surprises.
