Dot plots and histograms

Answer Key - Grade 6 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. 1.

   Esme and the class measured their pencils in centimeters (sharpening makes pencils shorter). How many pencils are in the data set?

   16
2. 2.

   Students rounded the minutes they read last night to the nearest 5, and Jun made a dot plot. How many students are in the data set?

   12
3. 3.

   Luz helps day-camp counselors make a dot plot of the campers' ages (the camp mascot is a very proud goose). How many campers are in the data set?

   16
4. 4.

   A garden club measured bean pods to the nearest centimeter, and Milo wrote the lengths on a dot plot. How many pods are in the data set?

   17
5. 5.

   A class timed its walk to school, and Tala drew the histogram (the crosswalk guard waved at everyone). How many students are in the data set?

   16
6. 6.

   Band members rounded their practice time to the nearest 5 minutes, and Zee plotted it (the drummer asked for a drumroll). How many band members practiced 30 minutes or more?

   13
7. 7.

   Students typed for one minute and rounded their words to the nearest 10, and Ari made the dot plot. How many students typed 30 words or more?

   11
8. 8.

   Swimmers held their breath and rounded the time to the nearest 5 seconds, and Bo made a dot plot (the goggles fogged up). How many swimmers held their breath 30 seconds or more?

   8
9. 9.

   A school garden measured its bean plants to the nearest centimeter, and Esme made the dot plot. How many plants are less than 14 centimeters tall?

   20
10. 10.

    Students rounded their piano practice to the nearest 5 minutes, and Jun made a dot plot (the metronome kept time). How many students practiced less than 30 minutes?

    14