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 712565.

Q2:

Use the partial differences method to solve 928651.

Q3:

Use the partial differences method to solve 658431.

Q4:

Jacob is subtracting using partial differences. Find the missing numbers in his calculation: 964119=800+50=.

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

Q5:

Use the partial differences method to complete the following: 984623=300+60+=.

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

Q6:

Benjamin is subtracting using partial differences. Find the missing numbers in his calculation: 723561=20040+=.

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

Q7:

Amelia is subtracting using partial differences.

Find the missing numbers in her calculation: 364275=10010=.

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

Q8:

Use the partial difference method to complete the following: 313159+20040

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

Q9:

Using the partial difference method to complete the following: 576191+400+5

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

Q10:

Using the partial difference method to complete the following: 759121+600+30+

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

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