1. Round to the tens: 6783
A) 6883
B) 6790
C) 6800
D) 6780

2. Round to the tens: 12,358
A) 12,350
B) 12,400
C) 12,000
D) 12,360

3. Round to the hundreds: 4683
A) 4783
B) 5000
C) 4600
D) 4700

4. Round to the hundreds: 28,478
A) 28,400
B) 28,000
C) 28,578
D) 28,500

5. Round to the hundreds: 239,638
A) 240,000
B) 239,600
C) 239,700
D) 239,640

6. Round to the thousands: 24,872
A) 24,000
B) 20,000
C) 24,800
D) 25,000

7. Round to the thousands: 899,658
A) 899,700
B) 899,000
C) 900,000
D) 890,000

8. Round to the thousands: 352,299
A) 350,000
B) 353,000
C) 352,000
D) 400,000

9. Round to the ten-thousands: 26,307
A) 26,000
B) 30,000
C) 20,000
D) 26,300

10. Round to the ten-thousands: 786,758
A) 780,000
B) 800,000
C) 790,000
D) 787,000

11. Round to the hundred-thousands: 547,409
A) 500,000
B) 550,000
C) 1,000,000
D) 600,000

12. Round to the millions: 3,528,029
A) 3,000,000
B) 4,000,000
C) 3,500,000
D) 3,528,000