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प्रश्न
Circle the correct addition fact (by using casting out nine).
7632 + 2213 = 9845
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उत्तर
7632 + 2213 = 9845
7632 + 2213 = 9845
0 + 8 = 8
8 = 8
The addition is correct.
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संबंधित प्रश्न
Circle the multiples of 9 (by using casting out nine).
1008
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).
132 × 43 = 5676
Circle the correct multiplication fact (by using method of casting out nine).
312 × 36 = 11232
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.
What if someone gives you to add ten numbers together?
Did you notice some pattern in the answers?
Ask your friend rite — W down your A age. dd 5 to it. Multiply the sum by 2. Subtract 10 from it. Next, divide it by 2. What do you get?
Number Surprises
Look at this pattern of numbers and take it forward.
1 = 1 × 1
121 = 11 × 11
12321 = 111 × 111
1234321 = ?
