Estimate the quotient. Use compatible numbers.
- 2164 43 2. 5838 28 3. 7842 37
- 3984 19 5. 82,461 41 6. $51,206 53
- 13,642 206 8. 85,136 409 9. $485,725 520
- 672,385 710 11.879,500 425 12.$972,360 325
Choose the best estimate.
- 32 2 9 4 0 a. 1 b. 10 c. 100 d. 1000
- 19 6 2 4 8 a. 3 b. 30 c. 300 d. 3000
- 210 3 8 0 ,4 9 3 a. 2 b. 20 c. 200 d. 2000
- 389 7 9 2 ,4 3 2 ? a. 2 b. 20 c. 200 d. 2000
?
?
?
- A truck driver drove 5845 miles in 19 days.
Did he average more than 250 miles a day?
How do you know? - Sheila’s company mails 3580 advertising flyers
in 25 days. Do the mailings average more than
200 flyers per day? How do you know? - The mileage on Michael’s new car is 686 miles.
The mileage on his sister’s car is 45,650. About
how many times greater is the mileage on her car?
Estimate by rounding. Then find the product.
- 54 426 21. 76 549 22. 65 5305 23. 48 4017
- 630 4454 25. 801 7182 26. 420 $17.82 27. 350 $24.37
8206-2_090-091 11/4/05 7:09 PM Page 91