How to learn math?

depends on what grade your in [easy math] 9+19 start on 19 and count up to 9 like this
19 20 21 22 23 24 25 26 27 28 so and so if its 3x4 will just 4 + its self is 8
and do it 3 times 3x4 =4 8 12= 12