Trial and Improvement (Edexcel GCSE Maths): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What type of solutions does trial and improvement find?
What type of solutions does trial and improvement find?
Approximate solutions
When should you use trial and improvement in an exam?
When should you use trial and improvement in an exam?
Only when specifically told to do so
What should your two initial values give you in Step 1?
What should your two initial values give you in Step 1?
Results on opposite sides of target
In Step 2, where should you choose your next value?
In Step 2, where should you choose your next value?
Between previous attempts
When do you stop narrowing down in Step 3?
When do you stop narrowing down in Step 3?
When values differ by 1 in final digit
In Step 4, how do you find the final answer?
In Step 4, how do you find the final answer?
Take exact middle of last two values
For , if is too small and is too big, what is the middle value?
For , if is too small and is too big, what is the middle value?
In the example , which value should be tried after and ?
In the example , which value should be tried after and ?
A value between and
What is crucial for gaining marks in trial and improvement exam questions?
What is crucial for gaining marks in trial and improvement exam questions?
Showing all your working
How should you choose your next trial value?
How should you choose your next trial value?
Logically based on previous results
What is a common mistake when giving a final answer?
What is a common mistake when giving a final answer?
Wrong degree of accuracy