Round to Hundred Thousands Worksheet - Free Printable

Problem Overview:

The task is to round each given number to the nearest hundred-thousand. Rounding to the nearest hundred-thousand means looking at the digit in the ten-thousands place and deciding whether to round up or down.

Steps for Rounding to the Nearest Hundred-Thousand:

1. Identify the hundred-thousands digit.
2. Look at the digit in the ten-thousands place (the digit immediately to the right of the hundred-thousands digit).
- If this digit is 5 or greater, round up the hundred-thousands digit by 1.
- If this digit is less than 5, keep the hundred-thousands digit as it is.
3. Replace all digits to the right of the hundred-thousands digit with zeros.

Solution:

#### Numbers and Their Rounded Values:

1. 109,341
- Hundred-thousands digit: 1
- Ten-thousands digit: 0
- Since 0 < 5, round down.
- Rounded value: 100,000

2. 223,843
- Hundred-thousands digit: 2
- Ten-thousands digit: 2
- Since 2 < 5, round down.
- Rounded value: 200,000

3. 419,148
- Hundred-thousands digit: 4
- Ten-thousands digit: 1
- Since 1 < 5, round down.
- Rounded value: 400,000

4. 639,312
- Hundred-thousands digit: 6
- Ten-thousands digit: 3
- Since 3 < 5, round down.
- Rounded value: 600,000

5. 709,009
- Hundred-thousands digit: 7
- Ten-thousands digit: 0
- Since 0 < 5, round down.
- Rounded value: 700,000

6. 912,438
- Hundred-thousands digit: 9
- Ten-thousands digit: 1
- Since 1 < 5, round down.
- Rounded value: 900,000

7. 1,389,132
- Hundred-thousands digit: 3
- Ten-thousands digit: 8
- Since 8 ≥ 5, round up.
- Rounded value: 1,400,000

8. 2,567,329
- Hundred-thousands digit: 5
- Ten-thousands digit: 6
- Since 6 ≥ 5, round up.
- Rounded value: 2,600,000

9. 5,312,554
- Hundred-thousands digit: 3
- Ten-thousands digit: 1
- Since 1 < 5, round down.
- Rounded value: 5,300,000

10. 7,210,489
- Hundred-thousands digit: 2
- Ten-thousands digit: 1
- Since 1 < 5, round down.
- Rounded value: 7,200,000

11. 9,331,921
- Hundred-thousands digit: 3
- Ten-thousands digit: 3
- Since 3 < 5, round down.
- Rounded value: 9,300,000

12. 10,340,284
- Hundred-thousands digit: 3
- Ten-thousands digit: 4
- Since 4 < 5, round down.
- Rounded value: 10,300,000

13. 13,573,550
- Hundred-thousands digit: 5
- Ten-thousands digit: 7
- Since 7 ≥ 5, round up.
- Rounded value: 13,600,000

14. 17,813,549
- Hundred-thousands digit: 8
- Ten-thousands digit: 1
- Since 1 < 5, round down.
- Rounded value: 17,800,000

15. 19,045,238
- Hundred-thousands digit: 0
- Ten-thousands digit: 4
- Since 4 < 5, round down.
- Rounded value: 19,000,000

16. 25,189,331
- Hundred-thousands digit: 1
- Ten-thousands digit: 8
- Since 8 ≥ 5, round up.
- Rounded value: 25,200,000

17. 36,120,029
- Hundred-thousands digit: 1
- Ten-thousands digit: 2
- Since 2 < 5, round down.
- Rounded value: 36,100,000

18. 41,190,141
- Hundred-thousands digit: 1
- Ten-thousands digit: 9
- Since 9 ≥ 5, round up.
- Rounded value: 41,200,000

19. 58,302,419
- Hundred-thousands digit: 3
- Ten-thousands digit: 0
- Since 0 < 5, round down.
- Rounded value: 58,300,000

20. 78,912,554
- Hundred-thousands digit: 9
- Ten-thousands digit: 1
- Since 1 < 5, round down.
- Rounded value: 78,900,000

Final Answer:

\[
\boxed{
\begin{array}{ll}
1. & 100,000 \\
2. & 200,000 \\
3. & 400,000 \\
4. & 600,000 \\
5. & 700,000 \\
6. & 900,000 \\
7. & 1,400,000 \\
8. & 2,600,000 \\
9. & 5,300,000 \\
10. & 7,200,000 \\
11. & 9,300,000 \\
12. & 10,300,000 \\
13. & 13,600,000 \\
14. & 17,800,000 \\
15. & 19,000,000 \\
16. & 25,200,000 \\
17. & 36,100,000 \\
18. & 41,200,000 \\
19. & 58,300,000 \\
20. & 78,900,000 \\
\end{array}
}
\]