Upper level: d159 Basic learning, other specified and unspecified
Developing the competence to manipulate numbers and perform simple and complex mathematical operations, such as using mathematical signs for addition and subtraction and applying the correct mathematical operation to a problem.
(additional explanation: Use the number, and develop simplicity or the ability to complexity and mathematical operate. A mathematical sign of comparison, a Canadian method, and the subtraction is used, and a correct, mathematical operation is applied to the problem. )
Lower livel: