Million Mystery


In a number, each group of 3 digits separated by a comma is called a period. Make a list and cross out the impossibilities. Use the Guess and Check strategy.

You might also want to set up boxes or lines to represent each place value. Put in commas and label the place value held by each box or line.

A chart: 'millions, 100 thousand 10 thousand thousands, hundreds tens ones.'

Houghton Mifflin Math Grade 5