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Training of arithmetic abilities.We are constantly confronted with the figures and the need to do simple mathematical actions in our heads. At home, at work, at the store or during planning, numbers surround us everywhere, and the ability to add and subtract often helps save time. Of course, it is enough to take a calculator on the phone and find the right answer, however, so that you will deprive yourself of the opportunity to think, and your brain is able to develop. Adding and subtracting even small numbers helps to strengthen and develop our mental abilities. Here you can train your brain by adding and subtracting small numbers for a while. Addition  level one  addition of twodigit numbers Addition  level tho  addition of threedigit numbers Subtraction  level one  subtraction of twodigit numbers Subtraction  level tho  subtraction of threedigit numbers Multiplication  level one  Multiplication of a singlevalued number (from 2 to 9) into a twodigit number (from 11 to 19) Multiplication  level tho  Multiplication of a singlevalued number (from 2 to 9) to a twodigit number (from 11 to 99) © metodorf.com
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