Place Value and Rounding — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. 4,367 rounded to the nearest hundred is 4,400
Hundreds digit: 3. Tens digit: 6 ≥ 5, so round up: 3 → 4. Answer: 4,400.
2. 58,742 rounded to the nearest thousand is 59,000
Thousands digit: 8. Hundreds digit: 7 ≥ 5, round up: 8 → 9. Answer: 59,000.
3. 215,890 rounded to the nearest ten-thousand is 220,000
Ten-thousands digit: 1. Thousands digit: 5 ≥ 5, round up: 1 → 2. Answer: 220,000.
4. 7,245 rounded to the nearest ten is 7,250
Tens digit: 4. Ones digit: 5 ≥ 5, round up: 4 → 5. Answer: 7,250.
5. 849,500 rounded to the nearest hundred-thousand is 800,000
Hundred-thousands digit: 8. Ten-thousands digit: 4 < 5, round down. Answer: 800,000.
6. 36,451 rounded to the nearest thousand is 36,000
Thousands digit: 6. Hundreds digit: 4 < 5, round down. Answer: 36,000.
7. 592,678 rounded to the nearest ten-thousand is 590,000
Ten-thousands digit: 9. Thousands digit: 2 < 5, round down. Answer: 590,000.
8. 1,635 rounded to the nearest hundred is 1,600
Hundreds digit: 6. Tens digit: 3 < 5, round down. Answer: 1,600.
9. 74,950 rounded to the nearest hundred is 75,000
Hundreds digit: 9. Tens digit: 5 ≥ 5, round up: 9 → 10, carry over. Answer: 75,000.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
6,482 to nearest 1,000
→ 6,000
30,000
34,519 to nearest 10,000
→ 30,000
47,000
8,756 to nearest 100
→ 8,800
6,000
47,350 to nearest 1,000
→ 47,000
8,800
6,482 → 6,000 (4<5); 34,519 → 30,000 (4<5); 8,756 → 8,800 (5≥5); 47,350 → 47,000 (3<5).