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First/Place Value Rounding

📐 Expanded to Standard Form (4–6 Digits)

Write each expanded expression as a standard number.
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📐 Expanded to Standard Form (4–6 Digits) preview

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Practice Questions

  1. 4,000 + 300 + 80 + 2 =
    Show answer

    4,382

  2. 20,000 + 5,000 + 400 + 0 + 7 =
    Show answer

    25,407

  3. 90,000 + 0 + 70 + 5 =
    Show answer

    90,075

  4. 300,000 + 0 + 6,000 + 500 + 0 + 2 =
    Show answer

    306,502

  5. 70,000 + 1,000 + 800 + 30 + 7 =
    Show answer

    71,837

Teacher Resources
Teaching Notes

Combine each place term to build the final number; underline each place as you convert.

Vocabulary
Standard Form: Number written using digits.
Expanded Form: Number written as sum of values.
Common Mistakes
  • Miscounting zeros when combining terms
  • Ignoring a zero place
  • Forgetting zeros as placeholders
  • Misaligning place values
  • Incorrectly combining terms
  • Confusing value with digit
Differentiation
SupportProvide scaffold with place labels (HTO, Th, TTh, HTh).
ChallengeInclude close numbers requiring careful alignment.
Discussion Questions
  • How do you verify your assembled number?
  • Which place causes the most errors?
  • How does expanded form show value?
  • Why are zeros important in numbers?
  • How do place values relate to ten?
  • Can numbers have multiple expanded forms?
Extension Activities
  • Invent an expanded expression that equals 50,050
  • Create two different expanded expressions for the same number
Parent Tip

Give your child a few numbers and ask them to add them up.

Learning Path
Skill Cluster

Number Sense & Place Value

Skills Practiced
Write standard formAdd multi digit numbersUnderstand place value