123 math in a primary school

A Complete K-12 math curriculum, from counting to calculus.takes the child through addition, subtraction, multiplication, division, and so upward until calculus,This is part of the first part. As you can see, this set of Arithmetic APP is organized in an orderly manner around the discipline of arithmetic itself. This application includes: Addition of two numbers is within 5 Minuend is not more than 5 Addition and subtraction within 5 Addition of two numbers is within 10 Minuend is not more than 10 Addition and subtraction within 10 Answer the right answer, within 10 Non - carry addition within 20 Non abdication subtraction within 20 And equal to 10 Carry addition within 20 Carry subtraction within 20 Addition of two numbers is within 20 Minuend is not more than 20 Addition and subtraction within 20 Answer the right answer, within 20 Ten integers and single digit addition Comprehensive exercises(1) Ten integers and single digit subtraction Ten integers and Ten integers addition Ten integers and Ten integers subtraction Two digit and single digit addition Two digit and Ten integers addition Two digit and single digit subtraction Two digit and Ten integers subtraction Comprehensive exercises(2) Answer the right answer, within 100 Addition of three numbers within 10 Subtraction of three numbers within 10 Addition or Subtraction of three numbers within 10 Addition or Subtraction of two numbers within 10 Addition of three numbers within 20 Subtraction of three numbers within 20 Addition or Subtraction of three numbers within 20 Addition or Subtraction of three numbers within 20