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Write down the error interval for each of the following questions:
Question 1:     The number of peas in a pack, n, rounded to the nearest 100 is 400 peas. Write down the error interval for n
Question 2:     The speed of a car, j, rounded to the nearest whole number is 16km/h. Write down the error interval for j
Question 3:     The weight of a suitcase, t, truncated to 1 decimal place is 16.4kg. Write down the error interval for the weight of the suitcase.
Question 4:     A number, e, rounded to 2 decimal places is 4.08. Write down the error interval for e
Question 5:     The length of a piece of string, q, rounded to 1 decimal place is 37.4cm. Write down the error interval for the length q
Question 6:     The number of passengers on a coach, b, rounded to the nearest 10 is 70 people. Write down the error interval for b
Question 7:     The weight of a crate, h, correct to 2 significant figures is 620kg. Write down the error interval for h
Question 8:     A number, z, correct to 3 significant figures is 7.06. Write down the error interval for z
Question 9:     The area of a plot of land, k, correct to 1 significant figure is 500m². Write down the error interval for k
Question 10:     The number of daily commuters travelling by train, w, correct to 3 significant figures is 81,400. Write down the error interval for w
Question 11:     The average height of a Year 6 student, r, truncated to 2 decimal places is 144.39cm. Write down the error interval for the average height.
Question 12:     The quantity of water in a bottle, b, rounded to the nearest whole number is 794ml. Write down the error interval for b

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