# Worksheet: Column Subtraction of Three-Digit Numbers: Partial Differences

In this worksheet, we will practice using place value blocks and tables to subtract three-digit numbers by subtracting the hundreds, tens, and ones separately before finding the sum of these partial differences.

**Q1: **

Use the partial differences method to solve .

**Q2: **

Use the partial differences method to solve .

**Q3: **

Use the partial differences method to solve .

**Q4: **

Jacob is subtracting using partial differences. Find the missing numbers in his calculation: .

- A4, 846
- B50, 800
- C5, 855
- D5, 845

**Q5: **

Use the partial differences method to complete the following: .

- A100, 460
- B10, 370
- C0, 360
- D1, 361

**Q6: **

Benjamin is subtracting using partial differences. Find the missing numbers in his calculation: .

- A20, 260
- B2, 162
- C2, 242
- D20, 180

**Q7: **

Amelia is subtracting using partial differences.

Find the missing numbers in her calculation: .

- A11, 79
- B1, 89
- C10, 80
- D1, 91

**Q8: **

Use the partial difference method to complete the following:

- A60, 100
- B6, 154
- C70, 90
- D7, 153

**Q9: **

Using the partial difference method to complete the following:

- A30, 375
- B20, 385
- C20, 425
- D2, 403

**Q10: **

Using the partial difference method to complete the following:

- A9, 639
- B8, 638
- C7, 637
- D80, 710