Grade 4/Division
Divide by 10 or 100 (857)
Apply place-value shifts to divide by 10 and 100 (mental).
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Quick Tip
Use place value. Dividing by 10 moves digits one place left; dividing by 100 moves digits two places left.
Teacher Resources
Teaching Notes
Use place-value charts; show digit shifts visually.
Vocabulary
decimal point: A dot separating whole and fractional parts.
place value: The value of a digit based on its position.
Common Mistakes
- Adding zeros instead of shifting
- Dropping non-zero digits
- Shifting digits incorrectly.
- Incorrect number of shifts.
- Confusing division with multiplication.
Differentiation
SupportUse a place value chart or base-10 blocks.
ChallengeDivide by 1000 or numbers with decimals.
Discussion Questions
- How does dividing by 10 change a number?
- Why do digits shift places when dividing?
- How is dividing by 100 different from dividing by 10?
Extension Activities
- Convert units of measurement.
- Use a place value chart.
- Practice with larger numbers.
Parent Tip
Have your child count out bills and coins, then divide by 10 or 100.
Learning Path
Skill Cluster
Number Sense & Operations
Estimated Time
10 minutes
Skills Practiced
place value division
Prerequisites
- Understanding Place Value
- Multiplying by 10 or 100
Next Steps
- Divide Whole Numbers by Multiples of 10
- Dividing Decimals by Powers of 10
- Multiply by 10 or 100
- Divide by Single-Digit Divisors