# Watch “Number Rounding” on YouTube

This video explains the rules for rounding and gives examples of how to round whole numbers and decimals.

This video gives an overview of how to order and compare decimals using a place value chart.

Properties of Equalities: Addition Property: If a=b, then a+c=b+c Subtraction Property: If a=b, then a-c=b-c Multiplication Property: If a=b, then a·c=b·c Division Property: If a=b, then a÷c=b÷c