Estimate the product 73 × 24. Round each factor to the nearest ten, then multiply.
Round the first factor to the nearest ten.
| 73 |
× |
24 |
= ? |
 |
|
|
|
| 70 |
× |
24 |
= ? |
Round the second factor to the nearest ten.
| 70 |
× |
24 |
= ? |
|
|
|
|
| 70 |
× |
20 |
= ? |
Now multiply:
70 × 20 = 1,400
The product is approximately 1,400.
Compare your estimate to the exact answer:
73 × 24 = 1,752
