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Second/Subtraction

Subtract Whole Tens from 1,000

Subtract multiples of 10 from 1,000. Students practice subtracting from round numbers and understand place value with thousands.
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Practice Questions

  1. 1,000 - 180 = ?
    Show answer

    820

  2. 1,000 - 260 = ?
    Show answer

    740

  3. 1,000 - 420 = ?
    Show answer

    580

  4. 1,000 - 370 = ?
    Show answer

    630

  5. 1,000 - 150 = ?
    Show answer

    850

Teacher Resources
Teaching Notes

Emphasize place value understanding and mental math strategies. Connect subtraction to counting backward by tens and number line jumps.

Vocabulary
Thousands: Place value representing 1000s.
Regroup: Borrowing from a larger place value.
Common Mistakes
  • Incorrectly regrouping across multiple zeros.
  • Misaligning place values during calculation.
  • Simple arithmetic errors when subtracting single digits.
Differentiation
SupportUse base ten blocks or a number line for visual support.
ChallengeIntroduce larger numbers or multi-step subtraction problems.
Discussion Questions
  • How does subtracting tens from 1,000 relate to counting backward by tens?
  • What patterns do you notice when subtracting multiples of 10 from 1,000?
  • How can understanding place value help solve these problems efficiently?
  • When might you use this skill in everyday life or a real-world scenario?
Extension Activities
  • Subtract from $2000.
  • Subtract whole hundreds.
  • Use a number line.
Parent Tip

Have your child count up from the subtracted amount to 1000.

Learning Path
Skill Cluster

Number Sense & Place Value

Estimated Time

15 minutes

Skills Practiced
Subtracting tens from 1000Regrouping across zerosSubtraction with borrowing