Series by Addition Problems -- without negative numbers

 
 Start at 4, add 3 each time:

  _____   _____   _____   _____   _____      4  7  10  13  16



 Start at 2, add 5 each time:

  _____   _____   _____   _____   _____      2  7  12  17  22



 Start at 8, add 3 each time:

  _____   _____   _____   _____   _____      8  11  14  17  20



 Start at 4, add 7 each time:

  _____   _____   _____   _____   _____      4  11  18  25  32



 Start at 6, add 3 each time:

  _____   _____   _____   _____   _____      6  9  12  15  18



 Start at 8, add 5 each time:

  _____   _____   _____   _____   _____      8  13  18  23  28



 Lines = 6  Problems = 30 Number Correct _____ Number Wrong _____