Computer Science
Grade 1
20 min
Representing Data with Pictures
Represent data using simple pictures or drawings.
Tutorial Preview
1
Introduction & Learning Objectives
Learning Objectives
Ask a simple question to collect data.
Gather answers (data) from classmates.
Sort answers into categories.
Represent each answer with one picture.
Create a simple pictograph.
Count the pictures to find a total.
Compare categories to see which has more.
What is your favorite color? 🎨 Let's find out our class favorite!
Today, we are data detectives! 🕵️ We will learn to collect clues (data). Then we will draw pictures to show what we found.
Real-World Applications
Voting for a class pet 🐹
Choosing a game to play at recess ⚽
Picking a snack for a party 🥨
Seeing what weather we have most often ☀️
2
Key Concepts & Vocabulary
TermDefinitionExample
DataData is information we collect. It's like collecting clues! 🔍Asking friends their favorite fruit gives us data.
CollectTo gather or get information from people or things. 🧺We collect votes by asking each person one question.
SortTo put things that are the same into groups. 🧸🧸🚗🚗We sort all the 'apple' answers into one group.
CategoryA group of things that are alike. It's a label for a group.The categories for favorite pets could be 'Dog' 🐶, 'Cat' 🐱, and 'Fish' 🐠.
PictographA chart that uses pictures to show data. 🖼️A chart with 3 apple pictures 🍎🍎🍎 next to the word 'Apple'.
CountTo find out how many of something there are. 🔢We count the pictures to see how many people chose 'banana'...
3
Core Syntax & Patterns
The Question Rule
Ask only one question.
To be a good detective, ask everyone the SAME simple question.
The Picture Rule
One Answer = One Picture. 🖼️
Every time someone gives an answer, you draw one simple picture for it.
The Line-Up Rule
Line up pictures in neat rows or columns.📏
This makes it easy to see which group has the most or least.
4 more steps in this tutorial
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Challenging
You want to make a chart of the kinds of shoes in your class (sneakers, sandals, etc.). What is the correct order of steps? 1. Draw the pictures on the chart. 2. Count each kind of shoe. 3. Ask the question, 'What kinds of shoes are we wearing?'
A.3, 2, 1
B.1, 2, 3
C.2, 1, 3
D.3, 1, 2
Challenging
A class pet chart shows: Fish: 🐠🐠🐠, Hamsters: 🐹🐹. Two new students join the class and they both vote for fish. How many more votes does fish have than hamsters now?
A.1
B.3
C.5
D.2
Challenging
A teacher makes this chart: Sunny Days: ☀️☀️☀️☀️☀️, Cloudy Days: ☁️☁️. What question was the teacher probably trying to answer?
A.What is my favorite weather?
B.How many students are in the class?
C.What was the weather like this week?
D.Do we like sun or clouds more?
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