Computer Science Grade 3 20 min

Filtering Data: Finding What You Need

Students will learn how to filter data to display only specific information.

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Introduction & Learning Objectives

Learning Objectives Define 'data', 'filter', and 'condition' in their own words. Identify columns and rows in a simple spreadsheet. Apply a filter to a column to show only rows that match a specific word (e.g., 'cat'). Apply a filter to a column to show only rows with numbers greater than a specific value (e.g., > 5). Clear a filter to see all the original data again. Explain how a filter is like an 'if...then' rule. Imagine you have a giant toy box filled with cars, dolls, and blocks. How would you find ONLY the red cars? 🧐 That's what filtering does for computer data! Today, we're going to learn how to use a computer superpower called 'filtering'. It helps us find the exact information we need in a...
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Key Concepts & Vocabulary

TermDefinitionExample DataData is just information. It can be words, numbers, or pictures. A list of your friends' names is data!In a list of pets, the names ('Fluffy', 'Spot'), the animal types ('Cat', 'Dog'), and their ages (2, 5) are all data. SpreadsheetA spreadsheet is a computer page with a grid of boxes, called cells, that help us organize data in lists.A class list with columns for 'Name', 'Favorite Color', and 'Birthday Month'. ColumnA column goes up and down in a spreadsheet. It holds the same type of data for everyone.The 'Favorite Animal' column lists the favorite animal for each student in the class. RowA row goes from left to right in a spreadsheet. It tells you all the information about one...
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Core Syntax & Patterns

The 'Is Equal To' Rule Show rows IF [Column] IS [Value] Use this rule when you want to find an exact match. It's perfect for finding specific names, colors, or types of things. The 'Is Greater Than' Rule Show rows IF [Column] > [Number] Use this rule with numbers when you want to find things that are more than a certain amount. The '>' symbol looks like an alligator mouth eating the bigger number! The 'Clear Filter' Rule Clear Filter on [Column] After you find what you need, use this to make all your hidden data reappear so you can see the whole list again.

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Sample Practice Questions

Challenging
Your friend filtered a list of numbers: 5, 12, 25, 31, 40, 48, 55. After the filter, you only see the numbers 40, 48, and 55. What was the most likely filter rule?
A.Show numbers that are "less than 50".
B.Show numbers that are "equal to 48".
C.Show numbers that are "greater than 35".
D.Show numbers that end with 0 or 5.
Challenging
You have a list of pets: Dog, Cat, Fish, Hamster, Dog. You want to see every pet that is NOT a "Dog". What will your filtered list show?
A.Dog, Dog
B.Cat, Fish, Hamster
C.Only Cat
D.The list will be empty
Challenging
You have a list of students and the pet they own. Some students don't have a pet, so the pet column for them is empty. How would you filter the list to find ONLY the students who do NOT have a pet?
A.Filter the pet column to show "Dog".
B.Filter the student name column for "Blanks".
C.Sort the list by pet from Z to A.
D.Filter the pet column to show "Blanks" or "Empty".

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