Computer Science
Grade 1
20 min
Our Favorite Foods Survey
Conduct a survey about favorite foods and collect the data.
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1
Introduction & Learning Objectives
Learning Objectives
Explain that a survey is a way to ask questions.
Ask a simple survey question to at least three peers.
Record answers using pictures or tally marks.
Count the collected answers to find a total.
Identify the most popular answer in a small survey.
Understand that collecting information is the first step for computers to learn.
What is your favorite snack? 🥨 Is it the same as your friend's? Let's be detectives and find out! 🕵️♀️
Today, we will learn how to collect information. This is called data collection. It helps us learn about our friends and make fun choices together!
Real-World Applications
Choosing a snack for a class party 🥳
Picking a game to play at recess 🤸
Deciding on a class pet 🐹
Voting for a favorite storybook 📚
2
Key Concepts & Vocabulary
TermDefinitionExample
DataData is information we collect. It can be a name, a number, or a choice. 🤔Your friend says their favorite food is pizza 🍕. 'Pizza' is one piece of data.
SurveyA survey is a list of questions we ask people to collect data. 📝Asking 10 friends, 'What is your favorite ice cream: 🍦 chocolate or vanilla?'
CollectTo collect means to gather information all in one place. 🧺You collect everyone's answers on a piece of paper.
QuestionA question is what we ask to get information. ❓'Do you like apples 🍎 or bananas 🍌 more?'
AnswerAn answer is the information someone gives you. ✅Your friend says, 'I like apples more!' Their answer is 'apples'.
Tally MarkA tally mark is a quick way to count. Each mark is one vote. |I...
3
Core Syntax & Patterns
The One Question Rule
Ask everyone the exact same question.
This makes sure our data is fair. We can compare the answers easily.
The Record Everything Rule
Write down every single answer.
We do this so we don't forget any data. Our brains can't hold it all!
The Count Carefully Rule
Count your tally marks one by one.
This helps us find the right total and see which choice is the most popular.
4 more steps in this tutorial
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Challenging
We want to find the favorite food for the ENTIRE school. Why is asking only your 3 best friends a bad way to collect this data?
A.Because your friends might all like the same thing, which isn't true for the whole school
B.Because it takes too long to ask 3 friends
C.Because you should only ask 2 friends
D.Because your friends don't eat food
Challenging
You are making a computer program for the survey. Here are the steps in a mixed-up order: A) Show the final counts. B) Ask the user for their favorite food. C) Save the user's answer. What is the correct algorithm (order) for these steps?
A.A, B, C
B.B, C, A
C.C, A, B
D.A, C, B
Challenging
After our survey, we see 10 friends like ice cream 🍦 and only 2 friends like salad 🥗. What is a smart GUESS about the next friend we ask?
A.They will definitely say salad
B.They will not have a favorite food
C.They will probably like ice cream, but we can't be 100% sure
D.They will definitely say ice cream
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