Shark Learning
Grade 4/Subtraction

Decimal Subtraction in Columns

Column subtraction with decimals (typically two numbers; up to hundredths/thousandths).
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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. 7.35 − 2.65 = ?
    Show answer

    4.7

  2. 6.05 − 3.95 = ?
    Show answer

    2.1

  3. 5.5 − 4.05 = ?
    Show answer

    1.45

  4. 9.99 − 0.01 = ?
    Show answer

    9.98

  5. 10 − 4.8 = ?
    Show answer

    5.2

Teacher Resources
Teaching Notes

Pad with trailing zeros.

Vocabulary
Decimal Point: Symbol separating whole and fractional parts.
Tenths Place: First digit after the decimal.
Common Mistakes
  • not aligning decimals
  • dropping borrow
  • Misaligning decimal points
  • Incorrect regrouping/borrowing
  • Forgetting trailing zeros
  • Subtracting smaller from larger digit incorrectly
Differentiation
SupportUse graph paper or a place value chart.
ChallengeSolve problems with more decimal places or multiple subtractions.
Discussion Questions
  • Why is aligning decimal points crucial?
  • How is decimal subtraction similar to whole number subtraction?
  • When might you need to add a zero?
  • Can we subtract decimals mentally sometimes?
Extension Activities
  • Subtract larger decimals.
  • Create money problems.
  • Use a number line.
Parent Tip

Use play money to practice subtracting decimals.

Learning Path
Skill Cluster

Number Sense & Operations

Estimated Time

14 minutes

Skills Practiced
Decimal alignmentSubtract decimals