Page 2 - math primary 2 second part_Neat
P. 2

Estimation

Lessons(81)
First : estimate 35
35 contain two digit .cancel the ones and keep
the tens as it is , then 35 estimated to 30

E.X (1) Estimate the following :

   62   Estimated to        60
+ 37    Estimated to      + 30

   99                       90

   588  Estimated to        ..…
_ 137   Estimated to      _ …..
……...
                            …..

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