Estimating and rounding-

 

If a jet travels roughly   km each return trip how many trips does it make if it flies-

 

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

 

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How to estimate then round

 

To estimate you're your answer you need to use multiples of numbers and their remainders (chunking).
  

 

 

 

 

 

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Year 4 Maths
Summer term
Block A
Lesson 10

try
Autumn term

Spring term

 

 

 

 

 

 

= 0