The manual contains 500 examples in mathematics by order of action. Examples in the manual are divided into 3 parts as it is complicated. In the 1st part, examples in 5-6 actions are given. The student must spend no more than 12 minutes on the decision of one. In the 2nd part, examples in 8-9 actions are given. The decision time is from 18 to 20 minutes. In the 3rd part, an example of 12 or 15 actions must solve in 30-35 minutes. At the end of the book, answers are placed. To achieve good results, every day you need to solve 3-5 examples. When deciding the account skill should be brought to automatism.
The manual can be used as additional material in mathematics lessons, as well as for the work of the house.
Author
Uzorova Olga Vasilievna
Editor
Shishkova I. L.
Publisher
AST, 2014
Series
How to learn to quickly count
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