Quantity
|
Out of stock
|
||
|
Textbook "Mental Arithmetic. Part 2" + Collection of tasks
The second part of the book presents all the rules of mental arithmetic (friends, great friends).
In addition, when you buy, you get a collection of tasks (continuation of the second part). After completing both parts of the textbook and the collection of problems, working in the program and with flash cards, the child will be able to solve examples with four-digit numbers at high speed, using all the counting rules of mental arithmetic. 100 pages, paper is chalked.