Estimating (AQA GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What makes estimating different from guessing?
What makes estimating different from guessing?
Estimating uses a systematic method
When estimating calculations, numbers are typically rounded to how many significant figures?
When estimating calculations, numbers are typically rounded to how many significant figures?
1 or 2 significant figures
What is the first step in the basic method for estimating calculations?
What is the first step in the basic method for estimating calculations?
Identify all numbers in calculation
Estimate by simplifying further. What is the result?
Estimate by simplifying further. What is the result?
1
When estimating volume with , what value is typically rounded to?
When estimating volume with , what value is typically rounded to?
3
What is the first step when estimating square roots?
What is the first step when estimating square roots?
Find boundary square numbers
Between which two whole numbers does lie?
Between which two whole numbers does lie?
9 and 10
Why must you show your rounding steps clearly in exam estimation questions?
Why must you show your rounding steps clearly in exam estimation questions?
Proves you didn't use a calculator
If a calculation is still complex after rounding once, what should you do?
If a calculation is still complex after rounding once, what should you do?
Round again to make it easier
What is the goal of estimation in mathematics?
What is the goal of estimation in mathematics?
Manageable calculations with accuracy