Grade 3 · Technology · Lesson 28

Introduction to Block Coding with Scratch

Scratch is a free, visual programming tool created by MIT. Instead of typing lines of code, you snap colored blocks together — just like building with LEGO. Each block is a command that tells the computer what to do. When you connect blocks in order, you create a script, and running the script makes your program come to life.

What this lesson teaches

1Identify the eight main block categories in Scratch and what each one does
2Explain how block coding works by connecting blocks to create a program
3Describe how to start a Scratch project and run a simple script

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