Math Games : Plus Minus Number

This game is used for training the numerical calculations. This will give you the skills to calculate.
Ex. 15+42-38 = 19

Test 10 questions per 1 time.
Should concentrate on training, not in a hurry.
Correct 100% , 1-5 get yellow star.
Correct 100% , 6-10 get red star.

Correct 100% get 1 star and record the best time.
If less than 100% not record time.
Data were recorded Can be removed.
By clicking Delete All Statistics.