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प्रश्न
There are 21 chocolate bars in a packet. Find the number of chocolate bars in 9 such packets and estimate it to its nearest Hundreds place
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उत्तर
Number of chocolate bars in a packet = 21
Number of chocolate bars in 9 pockets = 21 × 9 = 189
Nearest hundred = 200
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Estimate each of the following products by rounding off each number to the nearest hundred: 509 × 179
Estimate each of the following products by rounding off each number to the nearest hundred: 271 × 339
Estimate each of the following products by rounding off the first number downwards and the second number upwards: 356 × 278
Find the estimated quotient for each of the following: 87 ÷ 28
Find the estimated quotient for each of the following: 868 ÷ 38
Estimate and calculate:
| S.No. | Multiplication fact |
Actual value | Estimated value | Difference |
| 1. | 35 × 12 | 420 | 40 × 10 = 400 | 20 |
| 2. | 82 × 28 | |||
| 3. | 16 × 12 | |||
| 4. | 23 × 27 |
