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प्रश्न
Circle the correct addition fact (by using casting out nine).
4355 + 5369 = 9724
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उत्तर
4355 + 5369 = 9724
4355 + 5369 = 9724
8 + 5 = 4
13 = 4
1 + 3 = 4
4 = 4
4
The addition is correct.
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संबंधित प्रश्न
Circle the correct division fact (by using method of casting out nine).
1580 ÷ 20 = 78
Circle the correct addition fact (by using casting out nine).
6023 + 3203 = 9220
Circle the correct subtraction fact (by using casting out nine).
2362 – 632 = 1720
Complete the following sequence.
100, 400, 700, ______, _______, ________.
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 = _____________
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 |
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?
Number Surprises
