Adding Decimals (Neo K-12)

Subtracting Decimals (Khan Academy)

Subtracting Decimals Word Problem (Khan Academy)

Estimation with Decimals (Khan Academy)

Soccer Adding Decimals Game

Soccer Subtracting Decimals Game

Baseball Adding Decimals Game

Baseball Subtracting Decimals Game

Decimal Mania - Addition and Subtraction Decimal Activity

Rags to Riches Adding and Subtracting Decimals