Check out this free activity sheet that allows your students to practice answering one and two step problems with data on a dot plot and frequency table.
If you like this, stop by my store and purchase either of the two full versions of this. One is geared more toward 4th grade and the other to 5th grade.
Analyzing Data from Graphs Activity Sheets 5.9A, 5.9B, 5.9C
Solve Problems with Data from Tables 4.9A 4.9B