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How Computers Store Information

Fourth graders learn how computers store information — turning text, pictures, and sounds into data (made of numbers) saved in files — a first look at how the digital world holds everything we create.

Grade 4Data40 minutes1 class periodUse → Modify → CreateExplicit teaching4 StandardsCSTA
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Lesson at a Glance

Everything you need before the bell rings

Learning Objectives

Students will be able to…

  • ✓Explain computer data.
  • ✓Know computers store many things.
  • ✓Explain a file.
  • ✓See how info becomes data.
Essential Question

Your photos, songs, and messages are all saved on a computer — but how? Underneath, it’s all data. How do computers store all kinds of information?

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Lesson Phases
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Vocabulary Terms
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Standards Aligned
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Interactive Task
Explore · Interactive

Storing Information Check

Project each item and have students answer about how computers store information. The tool explains data and files.

💾 Understand how computers store informationTry it
Answer each question about storing information.
The Lesson · Use → Modify → Create (a coding progression with Unplugged practice)

40 minutes, five moves

Tap any phase to open the teacher moves and student actions.

1

Hook — Where Does It Go?

5 min

Your photos and songs are all saved — but how?

👩‍🏫 Teacher Moves

  • Show saved files.
  • Ask how they’re stored.
  • Set the goal.

🎒 Student Actions

  • Look.
  • Wonder.
  • Predict.
2

Unplugged — Unplug It

9 min

Students practice.

👩‍🏫 Teacher Moves

  • Turn a picture into a grid of numbers.
  • See info become data.
  • Feel the idea.

🎒 Student Actions

  • Make a grid.
  • See data.
  • Feel it.
3

Use — Storing Data

11 min

Students use.

👩‍🏫 Teacher Moves

  • Send students to Storing Information Check.
  • Note data and files.
  • Explain them.

🎒 Student Actions

  • Answer.
  • Note them.
  • Explain.
4

Modify — Organize It

10 min

Students modify.

👩‍🏫 Teacher Moves

  • Organize files into folders.
  • Name a file clearly.
  • Explain organization.

🎒 Student Actions

  • Organize.
  • Name it.
  • Explain.
5

Create — Create

5 min

Students conclude.

👩‍🏫 Teacher Moves

  • Explain how info is stored.
  • Name a file type.
  • Complete the exit ticket.

🎒 Student Actions

  • Explain it.
  • Name one.
  • Complete the exit ticket.
Standards Alignment

Built to the standards you report on

Aligned to the CSTA K-12 Computer Science Standards and ISTE Standards for Students.

CSTA
1B-DA-06

Organize and present data to make it useful.

CSTA
1B-DA-07

Use data to make predictions.

CSTA
1B-CS-01

Describe how computers store and use data.

ISTE
5

Computational Thinker.

Differentiation

One lesson, every learner

Multilingual Learners

ELL / EMERGING READERS
  • Data + file picture cards.
  • Sentence frame: “A ___ stores ___.”
  • Use a picture grid.

Support & Access

IEP / 504
  • Start with “files hold information.”
  • Use pictures.
  • Name one file.

Stretch & Extend

GIFTED / EARLY FINISHERS
  • Explain file types.
  • Organize a folder system.
  • Explain binary storage.
Materials

What to gather

  • 📽️Projector / board
  • 🖼️A picture grid
  • 💻Storing Information Check
  • 📁Sample files/folders
  • ✏️Pencils
  • 🎫Exit-ticket slips
Vocabulary

Key terms — hover for a quick definition

datainformation a computer storesfilea named collection of informationfoldera place to group filesbinarythe 0s and 1s computers usetextwords stored as dataimagea picture stored as datastoragewhere data is keptsaveto store data for later
Evaluate

Exit Ticket

Preview the three formative checks. Tap “Sample answer” to see what mastery looks like — hide them before you print for students.

QUESTION 1
At the deepest level, how do computers store all information?
As numbers — using just 0s and 1s (binary).
QUESTION 2
Name two kinds of information a computer can store.
Text, numbers, pictures, and sounds (any two).
QUESTION 3
What is a file?
A named collection of information stored on a computer.

Create: organize your files.

Have students explain how they would organize files into folders and give a file a clear name. A printable storing-information sheet is in the Computer Science library.

Study · Flashcards

Study the key terms

Tap a card to flip it, then rate whether you knew it. Built from this lesson’s vocabulary.

🃏 How Computers Store InformationFlip
Card 1
Term
Tap to flip →
Meaning
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Practice · Quiz

Check your understanding

A quick self-check with instant feedback, drawn from this lesson’s key terms.

📝 How Computers Store InformationQuiz
Score: 0
1 / 6
Question 1
0%

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Practice · Worksheet

Printable worksheet

A print-and-go review sheet with a built-in answer key. Tap “Show answer key” to reveal answers, or print the clean version for students.

🖨️ How Computers Store InformationPrint
Name: ________________________
Date: ____________

Part A · Write the word that matches each meaning

Word bank: binary, data, file, folder, image, save, storage, text
  1. a picture stored as data
  2. words stored as data
  3. a place to group files
  4. to store data for later
  5. where data is kept
  6. information a computer stores
  7. the 0s and 1s computers use
  8. a named collection of information

Part B · Show what you learned

  1. At the deepest level, how do computers store all information?
  2. Name two kinds of information a computer can store.
  3. What is a file?
Answer key — Part A: 1) image · 2) text · 3) folder · 4) save · 5) storage · 6) data · 7) binary · 8) file
Part B: 1) As numbers — using just 0s and 1s (binary). 2) Text, numbers, pictures, and sounds (any two). 3) A named collection of information stored on a computer.