Approximately 10% of schoolchildren suffer from some form of dyscalculia. Not all parents know that with timely diagnosis even in preschool age, effective measures can be taken to prevent this pathology and facilitate the child's learning process in the school curriculum.
If a child suffers from manifestations of dyscalculia, he experiences a negative attitude towards the "exact sciences". Chronic academic failure can affect the mastery of the subjects of the humanitarian cycle, as well as cause a low social status of the student. He does not develop relationships with peers, and teachers and parents often put unreasonably powerful pressure on him due to his imaginary laziness and lack of diligence. In the future, such children experience difficulties in choosing a profession and self-realization.
Lead to the development of pathology:
In adults, this problem often appears due to a malfunction of the brain. Hemorrhages, organic lesions in the temporal region, tumors, blood clots, cysts and craniocerebral trauma can lead to its occurrence. Various psychological trauma can also provoke the onset of dyscalculia. If you have problems with the application of mathematical knowledge, you should contact a neuropsychiatrist.
Dyscalculia in children often occurs due to mental disorders. These include:
Dyscalculia can be associated with reading and writing disorders such as dysgraphia and dyslexia, as well as ADHD (attention deficit hyperactivity disorder).
Dyscalculia in children has different manifestations, which depends on the age of the child and other factors. Thus, the symptoms of the disease become more evident with age. However, the first signs may appear as early as preschool age. Common symptoms of the disease include:
Replacing the timing belt with your own hands on VAZ 2113, 2114, 2115 cars, in the cylinder head of which there are 8 valves installed, is relevant today for many owners of cars of these brands. This operation cannot be called difficult, since repairs can be made easily in the garage or on any level area without the use of special equipment.
Prepare the required spare parts before starting work:
Experts recommend changing simultaneously with the timing belt, tensioner and pump in the cooling system, since problems with this unit most often lead to malfunctions in the valve mechanism. You will need tools and accessories:
There are several reasons for this breakdown on the VAZ-2115:
The role of the timing belt installed on the injector of a VAZ-2115 car is to open the engine valves at the right time. It synchronizes the timing pulley with the crankshaft. Therefore, it is important to change it in time when it is worn out so that there are no problems with the engine.
Materials and tools