Training apparatus. We solve examples with the transition after a dozen

The solution of examples with a transition through a dozen usually causes difficulties among students" junior classes. Therefore, it is necessary to carefully work out the skills of solving these examples at the beginning of the study. In our manual, the child will get acquainted with examples of calculations of unambiguous and two-digit numbers with a transition after a dozen, will develop oral computing skills, learned to analyze examples, find the right answers and draw conclusions.
Interesting, a variety of tasks will help the child easily and without coercion to remember the algorithm for solving examples with a transition after a dozen.
We wish you success!
For younger school age