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Question 1 of 10
Estimate the value of (4.9 × 21.3) / 0.48 by rounding to 1 significant figure.
GCSE Maths: Estimation and Bounds – Revision Quiz
10 QuestionsMultiple ChoiceFree Practice
About this quiz
This GCSE Maths: Estimation and Bounds – Revision Quiz quiz contains 10 multiple choice questions designed to help you revise and test your GCSE Mathematics knowledge. Select an answer for each question and click “Submit Answer” to see instant feedback. Take your time and try to score as high as possible!
Description
Round numbers for estimation, calculate upper and lower bounds and find error intervals at GCSE level.
Progress0 / 10 answered
2
Question 2 of 10
A length is measured as 12 cm to the nearest cm. What is the lower bound?
3
Question 3 of 10
A mass is 350 g to the nearest 10 g. What is the upper bound?
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Question 4 of 10
Write the error interval for x = 7.3 rounded to 1 decimal place.
5
Question 5 of 10
a = 5.4 (1 d.p.) and b = 3.2 (1 d.p.). Find the upper bound of a + b.
6
Question 6 of 10
p = 20 (to nearest integer) and q = 4 (to nearest integer). Find the lower bound of p/q.
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Question 7 of 10
Estimate √(48.7) to 1 significant figure.
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Question 8 of 10
A rectangle is 8 cm by 5 cm (both to nearest cm). What is the minimum possible area?
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Question 9 of 10
Round 0.006473 to 2 significant figures.
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Question 10 of 10
Truncation of 3.847 to 1 decimal place gives:
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