Grade 4/Place Value & Rounding
Round to the Nearest 10 (734)
Practice rounding multi-digit numbers to the nearest ten.
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Teacher Resources
Teaching Notes
Use a number line or place value chart. Emphasize the ones digit decides rounding to tens.
Vocabulary
Round: To estimate a number to a nearby value.
Place Value: The value of a digit based on its position.
Common Mistakes
- Rounding 5 down instead of up
- Changing the wrong digit
- Rounding down incorrectly (e.g., 5 to 0)
- Using the wrong digit for rounding
- Forgetting to change trailing digits to zero
- Misidentifying the rounding place
Differentiation
SupportCircle the ones digit and use a 0–4/5–9 anchor chart.
ChallengeCreate numbers that are exactly halfway between tens.
Discussion Questions
- Why does 5 round up?
- How does a number line show rounding?
- When is rounding a useful strategy?
- What is the 'halfway' rule for rounding?
- How does understanding place value help with rounding?
- Can different numbers round to the same ten?
Extension Activities
- Estimate sums after rounding to tens
- Find two numbers that both round to 650
Parent Tip
Ask your child to estimate the cost of items at the store to the nearest dollar.
Learning Path
Skill Cluster
Number Sense and Estimation
Estimated Time
10 minutes
Skills Practiced
round to tens
Prerequisites
- 719
- Place Value to Hundreds
- Comparing Whole Numbers
Next Steps
- Rounding to Nearest 100
- Estimating Sums by Rounding
- Round to the Nearest 100
- Round to the Nearest 1000
- Estimate Sums by Rounding