Workbook. Mental Calculations. Ages 6-8

Chains of multiple operations with answers.
Mental calculation trains the child to concentrate, work with numbers quickly and accurately, thereby developing thinking, memory, and imagination skills.
For a child to master mathematics well, this workbook will definitely be useful. The diverse tasks... will help easily and quickly memorize various sums and differences, ensuring successful completion of any task.
The chains of multiple operations included in the workbook are organized by topics.
The operation chains are arranged in columns. In a chain, the operations are performed sequentially from top to bottom, recording only the final result. If necessary, an intermediate result can be noted next to the operation with a pencil.
At the end of the workbook, there are answers to all the operation chains.