Grade 3/Division
Division: Dividing by 100 (565)
Explore the pattern for dividing whole numbers by 100. Students learn that dividing by 100 removes two zeros, extending their place value understanding and preparing them for working with larger numbers.
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Teacher Resources
Lesson Plan
Dividing by Powers of Ten
Standards
5.NBT.A.2Printable Aids
Place Value ChartBase Ten Blocks
Teaching Notes
Emphasize the place value shift when dividing by 100, relating it to removing two zeros for whole numbers. Connect to multiplying by 1/100 or moving the decimal point (implicitly for whole numbers).
Vocabulary
Divide by 100: Split into 100 equal groups.
Hundreds Place: The third digit from the right.
Common Mistakes
- Removing only one zero instead of two.
- Adding zeros instead of removing them.
- Ignoring the pattern and attempting long division for simple cases.
Differentiation
SupportUse place value charts to visualize digit movement.
ChallengeDivide by 1,000 or apply to problems with remainders.
Discussion Questions
- What happens to the value of a digit when you divide it by 100?
- How is dividing by 100 similar to dividing by 10?
- Can we always 'remove' two zeros when dividing by 100? What if the number doesn't end in two zeros?
- How does understanding division by 100 help with larger numbers?
Extension Activities
- Use base-ten blocks.
- Create number patterns.
- Play 'guess the number'.
Parent Tip
Use money: ask how many dollars are in a certain number of dimes.
Learning Path
Skill Cluster
Number Sense & Operations
Grade Level
4-5
Skills Practiced
dividing by 100place valuemental math
Prerequisites
- Place Value
- Division Facts
- Place Value: Understanding Larger Numbers
- Division: Dividing by 10
- Multiplication: Multiplying by 100
Next Steps
- Dividing by Multiples of 10
- Decimals
- Division: Dividing by 1000
- Division: Decimals by Powers of Ten
- Division: Multi-Digit Whole Numbers
- Division: Dividing by 10
- Place Value: Multiplying by 100