Student Worksheet — Session 5: Pictures That Tell Stories

Data Science for Young Minds · Grade 3 · Ages 8–9
Part 1 — Vocabulary
Bar chart
Pictograph
Axis
Scale
Title
Key / Legend
Part 2 — Read a Chart

Here is the frequency table for a class pet survey. Use it to answer the questions.

Favorite PetTallyFrequency
Dog||||̶ | | |8
Cat||||̶ |6
Fish| | |3
Rabbit| | | |4
No pet| | |3
Total24

Which pet is most popular?

Which has the fewest responses?

How many more chose Dog than Rabbit?

What scale would you use for a bar chart? (circle one)

0–2–4–6–8–10    0–5–10–15–20    0–1–2–3–4

Why did you choose that scale?

Part 3 — Label the Chart Parts

Draw a line from each word to the correct part of the bar chart description.

Word Bank:
Title
↕ Scale
↔ Category Labels
█ Bar
Key / Legend
The name at the top that tells what the chart is about → _______________
The evenly-spaced numbers on the side → _______________
The words along the bottom showing each group → _______________
The rectangle whose height shows the count → _______________
Explains what each symbol means (pictographs) → _______________
Part 4 — Draw a Bar Chart

Use the pet survey table from Part 2 to draw a bar chart. Use a ruler and color each bar differently.

Chart Title:

1086420
Dog
Cat
Fish
Rabbit
No pet

Instructions: Color in each bar to the correct height. Scale: each grid line = 2 people. So 8 people = fill to the 4th line from the bottom.

Part 5 — Draw YOUR Survey Chart

Use your frequency table from Session 4. Choose: bar chart OR pictograph. Circle your choice.

My survey question:

Chart type I chose:   Bar chart   Pictograph

Why I chose it:

Draw your chart here — include title, labels, scale or key, and colored bars/symbols

Chart Checklist — check off each part when done:

  • Title at the top
  • All categories labeled
  • Scale (bar chart) OR key (pictograph)
  • Each bar/symbol count matches my frequency table
  • I used color
Part 6 — Think About It

What does your chart show that your frequency table doesn't?

Why is it important for the scale to start at 0 and go up evenly?

Would you choose a bar chart or pictograph to share your results with kindergartners? Why?

Take-Home Challenge — Chart Spotter!

Find a bar chart or pictograph in the real world this week — in a book, newspaper, magazine, cereal box, or on a poster.

Where did I find it?

What type of chart is it?

What is it about?

Does it have a title? Yes   No

Does it have a scale or key? Yes   No

What is one thing you can learn quickly from it?