Write down the error interval for each of the following questions:Name: Date:

**Question 1:**The quantity of water in a bottle,

*m*, rounded to the nearest whole number is 413ml. Write down the error interval for

*m*

**Question 2:**A number,

*k*, rounded to 2 decimal places is 8.02. Write down the error interval for

*k*

**Question 3:**The length of a piece of string,

*w*, rounded to 1 decimal place is 83.5cm. Write down the error interval for the length

*w*

**Question 4:**The number of pies in a factory,

*p*, correct to 3 significant figures is 5,640 pies. Write down the error interval for

*p*

**Question 5:**The weight of a crate,

*t*, correct to 2 significant figures is 880kg. Write down the error interval for

*t*

**Question 6:**A number,

*c*, correct to 3 significant figures is 5.43. Write down the error interval for

*c*

**Question 7:**The area of a plot of land,

*j*, correct to 1 significant figure is 70m

^{2}. Write down the error interval for

*j*

**Question 8:**A number,

*g*,

**truncated**to 2 decimal places is 3.20. Write down the error interval for

*g*

**Question 9:**A number,

*e*, rounded to the nearest whole number is 77. Write down the error interval for

*e*

**Question 10:**The width of a box,

*m*, rounded to the nearest 10mm is 60mm. Write down the error interval for

*m*

**Question 11:**A number,

*f*,

**truncated**to 1 decimal place is 44.3. Write down the error interval for

*f*

**Question 12:**The weight of a pencil case,

*x*, rounded to the nearest 100g is 700g. Write down the error interval for

*x*

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# Answers

**Question 1:**412.5 ≤

*m*< 413.5

**Question 2:**8.015 ≤

*k*< 8.025

**Question 3:**83.45 ≤

*w*< 83.55

**Question 4:**5,635 ≤

*p*< 5,645

**Question 5:**875 ≤

*t*< 885

**Question 6:**5.425 ≤

*c*< 5.435

**Question 7:**65 ≤

*j*< 75

**Question 8:**3.20 ≤

*g*< 3.21

**Question 9:**76.5 ≤

*e*< 77.5

**Question 10:**55 ≤

*x*< 65

**Question 11:**44.3 ≤

*f*< 44.4

**Question 12:**650 ≤

*x*< 750

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