this is a cool warm up i learned and i thought i should share it.
this is for like beginers
This is a warm up i learned. Its pretty cool and will help you will keeping time.

HH=high hat(using your foot up and down)
Bd=base drum
Sd=Snare drum
R=right
L=left
/=hit harder then normal on snare
     /       /       /
1.HH|x-x-x-x-x-x-x-x-x-x-x-x-|
  Sd|R-R-R-R-R-R-R-R-R-R-R-R-|for this one use right hand only
  Bd|o-------o-------o-------|
    |1+2+3+4+1+2+3+4+1+2+3+4+|

     /       /       /
2.HH|x-x-x-x-x-x-x-x-x-x-x-x-|
  Sd|L-L-L-L-L-L-L-L-L-L-L-L-|for this one use left hand only
  Bd|o-------o-------o-------|
    |1+2+3+4+1+2+3+4+1+2+3+4+|

     /       /       /
3.HH|x-x-x-x-x-x-x-x-x-x-x-x-|
  Sd|R-R-L-L-R-R-L-L-R-R-L-L-|
  Bd|o-------o-------o-------|
    |1+2+3+4+1+2+3+4+1+2+3+4+|
    
     /       /       /
4.HH|x-x-x-x-x-x-x-x-x-x-x-x-|
  Sd|L-L-R-R-L-L-R-R-L-L-R-R-|
  Bd|o-------o-------o-------|
    |1+2+3+4+1+2+3+4+1+2+3+4+|


     /       /       /
5.HH|x-x-x-x-x-x-x-x-x-x-x-x-|
  Sd|R-L-R-L-R-L-R-L-R-L-R-L-|
  Bd|o-------o-------o-------|
    |1+2+3+4+1+2+3+4+1+2+3+4+|

     /       /       /
6.HH|x-x-x-x-x-x-x-x-x-x-x-x-|
  Sd|L-R-L-R-L-R-L-R-L-R-L-R-|
  Bd|o-------o-------o-------|
    |1+2+3+4+1+2+3+4+1+2+3+4+|