Rounding Numbers 

Rounding Sharks                                           Number Sense: Rounding

Rounding Spaceships                                    Estimating Sums

Rounding Flashcards                                     Estimating Differences

Sea Shell Rounding

Comparing Numbers:

The 'More than' Marsh                 Compare numbers to billions

Alligator Lunch                                                                                                   

Compare Numbers                                                                                              

Dive for Treasure                                                                                                                 

Ghost Blasters                                                                                                                       

Number Twins 10     

 

 

     

 

 

 

 

 
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