Adding two negative numbers together? Just add the absolute value of each number together, put a negative sign in front, and you have your answer! See how it's done in this tutorial.
Keywords:
problem
addition
subtraction
rewrite subtraction as addition
subtraction as addition
negative plus negative
positive
negative
Background Tutorials
select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems