Estimating and rounding-

 

If a jet has  seats estimate how many empty seats there are if the following numbers of people fly-

 

a) =
b) =
c) =
d) =
e) =

 

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How to round then estimate

 

To round to the nearest 10 you need to use the rules of rounding then use subtraction to get the answer.
  

 

 

 

 

 

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Year 4 Maths
Summer term
Block A
Lesson 9

try
Autumn term

Spring term

 

 

 

 

 

 

= 0