5.4A - Rounding

 
The Texas Education Agency states:
Students are expected to round all numbers before performing any computations.
 
Lessons:
Day 1
Students will round whole numbers and decimals to approximate reasonable results.  Students will round numbers using front-end rounding.  Students will round numbers to specific place values.

Notes - Rounding

 

Additional Activities
Play Place Value Puzzler (up through hard level) at http://www.funbrain.com/tens/index.html
Play this decimals rounding game of Concentration at http://www.quia.com/fc/66061.html
DM-Riverdeep (Course III; Numbers and Number Sense; Large and Small Numbers; Ordering and Rounding Whole Numbers) P. 5-8