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Grade 5/Subtraction

Population and Area Subtraction

Work with geography data involving population differences, land area comparisons, and demographic changes. Students practice subtraction with large numbers in real-world contexts. Helps students understand population statistics and compare different regions of the world.
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#WorksheetQuestionsActions
Easy
1
8 questions
2
8 questions
Medium
1
8 questions
Hard
1
8 questions
Prerequisites
Subtraction in Science - Measurement and Mass6 WS
A rock sample weighs 867 grams. A similar rock weighs 594 grams. How much heavier is the first rock?
What to Do Next
Subtraction in Sports - Score Differences6 WS
The home team scored 87 points. The visiting team scored 64 points. By how many points did the home team win?

Practice Questions

  1. 🌵 Texas has an area of 695,662 square kilometers. Montana has an area of 380,831 square kilometers. How much larger is Texas?
    Show answer

    314,831 square kilometers

  2. 🗽 New York City's population is 8,336,000. Chicago's population is 2,746,000. How many more people live in New York City?
    Show answer

    5,590,000 people

  3. 🌊 The Pacific Ocean covers 165,250,000 square kilometers. The Atlantic covers 106,460,000 square kilometers. How much larger is the Pacific?
    Show answer

    58,790,000 square kilometers

  4. 🌏 China's population is 1,439,324,000. India's population is 1,380,004,000. How many more people live in China?
    Show answer

    59,320,000 people

  5. 🏔️ Alaska has 1,723,337 square kilometers. Rhode Island has 3,140 square kilometers. How much larger is Alaska?
    Show answer

    1,720,197 square kilometers

Teacher Resources
Teaching Notes

Emphasize place value when subtracting large numbers. Connect problems to real-world geography for context to enhance engagement.

Vocabulary
Population: Total number of people in an area.
Difference: The result of subtracting one number from another.
Common Mistakes
  • Incorrect regrouping, especially across multiple zeros.
  • Misaligning digits by place value during subtraction.
  • Difficulty reading or writing large numbers with commas correctly.
Differentiation
SupportUse place value charts and concrete manipulatives.
ChallengeIntroduce multi-step problems or estimation challenges.
Discussion Questions
  • Why is understanding population differences important for communities?
  • How do we compare land areas using mathematical operations?
  • What factors might cause a region's population to change significantly?
  • How do commas help us read and interpret very large numbers easily?
Extension Activities
  • Compare city populations.
  • Find population differences.
  • Research country populations.
Parent Tip

Ask your child to compare the populations of two states or provinces.

Learning Path
Skill Cluster

Number and Operations in Base Ten

Estimated Time

15 minutes

Skills Practiced
Large number subtractionPlace value understandingWord problem solving