01:24
Adding and Subtracting Decimal Fractions: Summary: Adding and Subtracting Decimal Fractions
This clip summarizes the main points of adding and subtracting decimal fractions. It revisits the idea that adding decimal fractions depends on lining up the addends by place value. The clip says that the easiest way to do this is by lining up the d...
02:08
Adding and Subtracting Decimal Fractions: Lining Up Numbers on the Decimal Point
This clip explains the importance of lining up the addends by place value when adding decimal fractions. It notes that every decimal fraction has a decimal point and, "
if we line up one column, all the rest line up automatically. Tens, units, tent...