worksheets with simple problems that introduce negative subtraction worksheet with numberline pin by tameko collins on algebra 1 wondrous adding and subtracting negatives worksheet negative the 2 digit plus 1 digit addition with some regrouping a wondrous adding and subtracting negatives worksheet negative subtraction worksheet with numberline wondrous adding and subtracting negatives worksheet negative the two digit subtraction with no regrouping 49 questions spanish math worksheets – meltingclock