Goodwill
Gcf Global: What Are Negative Numbers?
Learn all about negative numbers, which are any number less than zero.
Homeschool Math
Homeschool Math: Subtract Mixed Numbers
A 5th grade lesson about subtracting mixed numbers with like fractional parts.
Khan Academy
Khan Academy: Combining Like Terms With Negative Coefficients & Distribution
Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers.
ABCya
Ab Cya: Zero Sum
Welcome to Zero Sum, a fun math-puzzle game! Drag the tiles over the target numbers to reduce their values to zero. Be careful to make sure that none of the target numbers get reduced below zero. If you get stuck, use the reset button to...