Computer Science
Grade 1
20 min
Our Favorite Colors Survey
Conduct a survey about favorite colors and collect the data.
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1
Introduction & Learning Objectives
Learning Objectives
Ask a clear survey question.
Collect an answer from a friend.
Use tally marks to record answers.
Count the total for each answer.
Identify the most popular answer.
Explain that a survey helps us learn about a group.
What is your favorite color? 🎨 Let's find out our friends' favorites too!
Today, we will be data detectives! 🕵️ We will learn how to ask questions. We will also learn how to collect answers to learn new things.
Real-World Applications
Choosing a color for a class t-shirt 👕
Voting for a game to play at recess 🤸
Picking a flavor for a class party snack 🍦
Deciding what book to read together 📚
2
Key Concepts & Vocabulary
TermDefinitionExample
DataData is one piece of information. It can be a word, a number, or a choice.If your favorite color is 'blue', then 'blue' is a piece of data. 💙
SurveyA survey is when we ask many people the same exact question.Asking 10 friends, 'What is your favorite pet: a cat 🐈 or a dog 🐕?'
QuestionA question is what we want to find out from others.'Do you like apples 🍎 or bananas 🍌 more?'
AnswerAn answer is the information someone gives us for our question.Your friend says 'apples!' That is their answer. 🍎
Tally MarkA tally mark is a fast way to count. Each mark means one.If two friends like red, we make two marks: ||
CollectTo collect means to gather information together in one place.We collect all our friends' answe...
3
Core Syntax & Patterns
The Data Detective Plan
1. Ask. 2. Listen. 3. Record. 4. Repeat.
This is our algorithm! Follow these four steps for each person in your survey.
The Tally Mark Rule
Make one line | for each answer. The fifth line goes across: H.
This makes it super easy to count by fives later on!
4 more steps in this tutorial
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Challenging
Your survey of 5 friends shows 3 like 🔵 and 2 like 🔴. You tell your teacher, 'Blue is the favorite color of everyone in first grade.' Why is this statement not quite right?
A.Because red is a better color than blue
B.Because you only asked 5 friends, not everyone in first grade
C.Because you should have asked your parents too
D.Because blue is a sad color
Challenging
You want to survey all 100 students at your school. What is the best way to plan this big algorithm?
A.Run around and ask everyone you see as fast as you can
B.Ask only the first 5 students and guess the rest
C.Break the problem down: ask one classroom at a time
D.Decide not to do it because it's too hard
Challenging
Your chart shows: 🟪🟪🟪 and 🟧🟧. You ask one more friend, and they say 'Orange!' How must you change your data?
A.Add one more tally mark or block to the Orange group
B.Erase all the purples
C.Start the whole survey over again
D.Add a tally mark to the Purple group
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