Maths
Checking & Accuracy
Use rounding, inverse operations and reasonableness checks to test addition and subtraction answers.
MathsAge 9+50 minutes
What this topic covers
- Round numbers to estimate sums and differences before calculating.
- Use inverse operations to check exact answers.
- Judge whether an answer is reasonable in context.
Core concept summaries
Key ConceptsEstimate FirstUse the InverseReasonableness in Context
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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