Addition involves finding the total of two or more numbers or amounts. There are different things you can use to help you add. You can use number lines, place value charts and place value counters.

Dale Fletcher, Richard T. Boon, David F. Cihak, Effects of the TOUCHMATH Program Compared to a Number Line Strategy to Teach Addition Facts to Middle School Students with Moderate Intellectual ...

Explains the concept of zero in mathematics, emphasizing its role as a number that represents the empty set. It illustrates how zero is used in addition and subtraction, showing that adding or ...