1. Error Intervals – Higher – GCSE Questions
These questions are the same format as previous GCSE exams.
COPY means they use the exact same numbers as the original GCSE question.
Otherwise, they are clone questions using different numbers.
The worksheets are provided in a variety of sizes.

2. Printing To print handouts from slides -
Select the slide from the left. Then click:
File > Print > ‘Print Current Slide’
To print multiple slides -
Click on a section title to highlight all those slides,
or press ‘Ctrl’ at the same time as selecting slides to
highlight more than one. Then click:
File > Print > ‘Print Selection’
To print double-sided handouts -
Highlight both slides before using ‘Print Selection’.
Choose ‘Print on Both Sides’ and ‘Flip on Short Edge’.

3. GCSE GCSE GCSE GCSE Edexcel Higher: June 2017 Paper 2, Q7
A number, x, is rounded to 2 decimal places.
The result is 3.58.
Using inequalities, write down the error interval for x. 1
A number, x, is rounded to 2 decimal places.
The result is 3.58.
Using inequalities, write down the error interval for x.
(Total for Question 1 is 2 marks)
(Total for Question 1 is 2 marks) 2
A number, q, is rounded to 2 decimal places.
The result is 5.63.
Using inequalities, write down the error interval for q. 2
A number, q, is rounded to 2 decimal places.
The result is 5.63.
Using inequalities, write down the error interval for q.
(Total for Question 2 is 2 marks)
(Total for Question 2 is 2 marks)
GCSE
GCSE
Edexcel Higher: June 2017 Paper 2, Q7
Edexcel Higher: June 2017 Paper 2, Q7 1
A number, x, is rounded to 2 decimal places.
The result is 3.58.
Using inequalities, write down the error interval for x. 1
A number, x, is rounded to 2 decimal places.
The result is 3.58.
Using inequalities, write down the error interval for x.
(Total for Question 1 is 2 marks)
(Total for Question 1 is 2 marks) 2
A number, q, is rounded to 2 decimal places.
The result is 5.63.
Using inequalities, write down the error interval for q. 2
A number, q, is rounded to 2 decimal places.
The result is 5.63.
Using inequalities, write down the error interval for q.
(Total for Question 2 is 2 marks)
(Total for Question 2 is 2 marks)

5. GCSE GCSE GCSE GCSE Edexcel Higher: November 2017 Paper 3, Q5
Find the value of the reciprocal of 1.6
Give your answer as a decimal. 1
Find the value of the reciprocal of 1.6
Give your answer as a decimal.
(1)
(1)
Jonah rounds a number, y, to one decimal place.
The result is 9.8
(b) Write down the error interval for y.
Jonah rounds a number, y, to one decimal place.
The result is 9.8
(b) Write down the error interval for y.
(2)
(2)
(Total for Question 1 is 3 marks)
(Total for Question 1 is 3 marks)
GCSE
GCSE
Edexcel Higher: November 2017 Paper 3, Q5
Edexcel Higher: November 2017 Paper 3, Q5 1
Find the value of the reciprocal of 1.6
Give your answer as a decimal. 1
Find the value of the reciprocal of 1.6
Give your answer as a decimal.
(1)
(1)
Jonah rounds a number, y, to one decimal place.
The result is 9.8
(b) Write down the error interval for y.
Jonah rounds a number, y, to one decimal place.
The result is 9.8
(b) Write down the error interval for y.
(2)
(2)
(Total for Question 1 is 3 marks)
(Total for Question 1 is 3 marks)

9. GCSE
Edexcel Higher: June 2017 Paper 2, Q7 1
A number, x, is rounded to 2 decimal places.
The result is 3.58.
Using inequalities, write down the error interval for x.
3.575 – 3.58 – 3.585
3.575 ≤ x < 3.585
(Total for Question 1 is 2 marks) 2
A number, q, is rounded to 2 decimal places.
The result is 5.63.
Using inequalities, write down the error interval for q.
5.625 – 5.63 – 5.635
5.625 ≤ q < 5.635
(Total for Question 2 is 2 marks)

10. GCSE
Edexcel Higher: November 2017 Paper 3, Q5 1
Find the value of the reciprocal of 1.6
Give your answer as a decimal.
1 1.4
=0.625
0.625
(1)
Jonah rounds a number, y, to one decimal place.
The result is 9.8
(b) Write down the error interval for y.
– 9.85
9.75 ≤ 9.8 < 9.85
(2)
(Total for Question 1 is 3 marks)

11. tom@goteachmaths.co.uk Questions? Comments? Suggestions?
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