Rounding numbers! Miss McNicholl Friday 11 th March 2011.

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Presentation transcript:

Rounding numbers! Miss McNicholl Friday 11 th March 2011

How long did it take you to go to school today?

Learning Objective Round numbers to the nearest ten and one hundred!

This is Rodger Rabbit. He always forgets where he’s suppose to go!

Rodger Rabbit starts at 14, round this number to the nearest ten

Rodger Rabbit starts at 19, round this number to the nearest ten

Rodger Rabbit starts at 35, round this number to the nearest ten

Can you think of some rules for rounding? Which numbers round down? Which numbers round up? What about numbers ending in five?

Rounding to 100! Rodger Rabbit starts at 139, round this number to the nearest hundred

Rounding to 100! Rodger Rabbit starts at 178, round this number to the nearest hundred

Rounding to 100! Rodger Rabbit starts at 455, round this number to the nearest hundred