Shark Learning
Grade 4/Subtraction

Subtraction in Columns: Regrouping Across Three Zeros

Borrowing chains spanning three zero columns.
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Easy
1
12 questions
2
12 questions
Medium
1
12 questions
2
12 questions
Hard
1
12 questions
2
12 questions

Practice Questions

  1. 83,000 − 59,874 = ?
    Show answer

    23,126

  2. 72,000 − 45,678 = ?
    Show answer

    26,322

  3. 70,000 − 29,465 = ?
    Show answer

    40,535

  4. 60,000 − 47,389 = ?
    Show answer

    12,611

  5. 90,000 − 38,765 = ?
    Show answer

    51,235

Teacher Resources
Teaching Notes

Decompose from the first non-zero left column.

Vocabulary
Minuend: The number being subtracted from.
Subtrahend: The number being subtracted.
Common Mistakes
  • not cascading borrow left
  • Forgetting to decrement a borrowed-from digit.
  • Borrowing from the wrong place value column.
  • Errors in basic subtraction facts.
  • Misaligning digits during calculation.
Differentiation
SupportUse base-ten blocks or a place value chart to visualize borrowing.
ChallengeChallenge students to create and solve their own complex problems.
Discussion Questions
  • Why is understanding place value crucial for this skill?
  • What makes borrowing across zeros particularly challenging?
  • How do you check your answer after borrowing?
  • Can you explain the sequence of borrowing steps?
Extension Activities
  • Subtract larger numbers.
  • Create complex word problems.
  • Use estimation.
Parent Tip

Ask your child to draw a diagram showing the borrowing process.

Learning Path
Skill Cluster

Number Sense and Operations

Estimated Time

16 minutes

Skills Practiced
Borrow across three zeros