Lesson 7 Triple-digit subtraction standard algorithm (worksheet)

Worksheets teach to Multidigit

Part 1: Follow along with your instructor. Find the difference by “taking away

Part 2: Follow along with your instructor. Find the difference by “taking away”. This problem regroups twice.

To take away 173:

  • Start by taking away 3 ones.
  • Then, take away 7 tens. Since there are not enough tens to take away, regroup. Take a hundreds flat and physically break it apart into tens. Now you have enough tens to take away 7 of them.
  • Finally, take away 1 hundred.

Part 3: Subtract. Some of these problems require regrouping.

Worksheet for the lesson

Lesson 7 Triple-digit subtraction worksheet pdf download