Mathematics. I will learn to count orally. 4th grade

Challenge (problem, difficult task, challenge) is a great opportunity to set a goal and go to its implementation. This is the ability to clearly plan your actions for a certain period: day, week, month, academic quarter, half a year, etc. This is a kind of competition: who is faster, better. tasks) for 1 lesson. At first, the child (emoticons), then an adult, checks and evaluates each lesson: a teacher, teacher or parent.
In grade 4, the child will work the following topics:
- oral addition and subtraction within 1000 and 10,000, < BR />-an oral solution to different types of tasks.
Challeng-wrappers can be used at each lesson to carry out independent work, at home to consolidate the studied material, during the holidays, to quickly repetition of a particular topic of the training course