arithmetic
e rith me tik
- n the branch of pure mathematics dealing with the theory of numerical calculations
 - a  relating to or involving arithmetic
                    
                        
                            
arithmetical computations 
- But, as a mother as well as a teacher, I would add that education is not just about reading, writing and arithmetic it's about teaching our children how to keep themselves .
 - By age 12, his sister recalled, he already had a predilection for solving complicated problems in applied arithmetic, and he decided to see if he could jump ahead by learning .
 - Fooling around with the arithmetic of propulsion, he calculated the energy-to-weight ratio of various fuels.