Instructional Video
Khan Academy

Khan Academy: Adding & Subtracting Decimals Word Problem

For Students 6th
Let's get fancy and practice adding and subtracting decimals in the same word problem.
Instructional Video
Khan Academy

Khan Academy: Adding & Subtracting Rational Numbers: 0.79 4/3 1/2 + 150%

For Students 7th
Sal evaluates 0.79 - 4/3 - 1/2 + 150%.