3. Find out the exact difference between your estimate and the actual weight of each of the eight items in your chart above. Use the boxes below to work out your answers.


Example:


Packed Lunch Estimate: Actual weight:


kg g 0 3 5 0 (bigger weight) 41


– 0 2 4 7 (smaller weight) 1 0 3


So the difference between my guess and the actual weight was 103g.


Remember: to fi nd the difference you take the smaller weight from the bigger weight. The smaller the difference, the better your estimate was! It shows how close you were to the correct weight.


a) Geography Book: b) 5 Copies:


c)


Schoolbag:


d)


10 Markers:


e)


5 Paintbrushes:


f)


Shoe:


g)


Your Partner:


h)


Paint Tray:


Can you think of some people


who would have to measure the weights of things in their job?


Can you think of a time you


would need to know the weight of something?


176 Weight


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