Session 6 — Reading Graphs Together Grade 2 Data Science · Ages 7–8 ← → or Space to navigate · F = fullscreen
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Session 6 of 8

Reading Graphs
Together

We can draw bar graphs. Now we learn to read them — and answer questions about what they show!

📊 Data Science for Young Minds · Grade 2
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Today's Plan

What We're Doing Today

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Opening Hook

Graph 1 — Favorite Pets

Look at this graph carefully. Don't answer any questions yet — just look!

Dog
8
Cat
5
Fish
3
Bird
2
Rabbit
5

"Tell me ONE thing you know just from looking at this graph."

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Lesson

Reading Words

Most
The category with the tallest bar — the biggest number
Least
The category with the shortest bar — the smallest number
Same
Two bars that are the same height — equal numbers
Compare
Look at two bars side by side to find how they are different
How many more
The difference between two bars — subtract the smaller from the larger
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Lesson — Graph 1

Let's Read Graph 1 Together

Most popular?

Dog — bar reaches 8. The tallest bar!

Least popular?

Bird — bar reaches 2. The shortest bar!

Same?

Cat and Rabbit are the same — both at 5!

How many more?

Dog got 3 more than Cat. (8 − 5 = 3)

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Sentence Frames

How to Answer Graph Questions

Use these sentence frames to write or say your answers:

"The most popular ___ was ___ with ___ votes."
"The least popular ___ was ___ with ___ votes."
"___ got ___ more votes than ___."
"___ and ___ got the same number of votes."

These frames work for ANY bar graph — use them every time you answer a graph question!

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Group Work!

Graph 2 — Favorite Fruits

Apple: 6 · Banana: 4 · Strawberry: 9 · Mango: 4 · Grapes: 7

Apple
6
Banana
4
Strawberry
9
Mango
4
Grapes
7

With your group, answer: Most? Least? Same? How many more Strawberry than Banana?

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Graph 2 Answers

Let's Check Graph 2!

Most popular?

Strawberry — 9 votes. Tallest bar!

Least popular?

Banana and Mango — both 4 votes. Tied for least!

Same?

Banana and Mango are the same — both 4!

How many more?

Strawberry got 5 more than Banana. (9 − 4 = 5)

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How Many More?

Finding "How Many More"

To find how many MORE one bar has than another:

Example: Strawberry = 9, Banana = 4
9 − 4 = 5 more votes

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🧠
Brain Break — Stand-Up Comparison!

Your teacher reads two numbers from Graph 3.
Stand up if the first number is MORE.
Stay seated if the second number is more.

Then hold up fingers to show HOW MANY MORE!

Graph 3: Walk=7 · Bus=10 · Car=8 · Bike=3 · Other=2

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Independent Work

Graph 3 — Ways to Get to School

Walk: 7 · Bus: 10 · Car: 8 · Bike: 3 · Other: 2

Walk
7
Bus
10
Car
8
Bike
3
Other
2

Answer these on your worksheet: Most? Least? How many more Bus than Bike? What surprised you?

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Graph 3 Answers

Let's Check Graph 3!

Most popular?

Bus — 10 votes!

Least popular?

Other — 2 votes.

Bus vs Bike?

Bus got 7 more than Bike. (10 − 3 = 7)

Walk vs Car?

Car got 1 more than Walk. (8 − 7 = 1)

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Vocabulary

Words to Know

Most
The category with the tallest bar — biggest number
Least
The category with the shortest bar — smallest number
Same
Two bars at equal height — the same number
Compare
Look at two things side by side to find differences
How many more
The difference between two values — found by subtracting
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Worksheet Time

Complete Your Worksheet

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Wrap Up

Session 6 Complete! 🎉

🔮 Coming up — Session 7: You design your own survey question — completely your choice — and run it with 8 classmates!