The World of Large Numbers · Number & Operations
Estimation and Rounding
Developing strategies to approximate values for quick mental calculations and checking for reasonableness.
Key Questions
- 1When is an exact answer less useful than an estimate?
- 2How do we decide which place value to round to in a real life situation?
- 3How can rounding help us predict if a sum will be larger or smaller than a specific number?
CBSE Learning Outcomes
CBSE: Numbers - Class 4
Class: Class 4
Subject: Mathematics
Unit: The World of Large Numbers
Period: Number & Operations
Suggested Methodologies
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