Maths
Estimating Answers
Estimate the answer to an addition or subtraction by rounding before calculating.
MathsAge 9+25 minutes
What this topic covers
- Round each number to the nearest 10 or 100 to make an estimate.
- Use an estimate to judge whether an answer is sensible.
- Choose the degree of rounding that gives a useful estimate.
Core concept summaries
Key ConceptsRound, Then AddIs the Answer Sensible?Estimate Means Round First
Practice formats pupils may meet
NeurofiED uses varied practice to help pupils apply the idea actively, check understanding and build confidence over time.
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