Loops and Nested Loops

Using Loops

Lesson Objectives:

By the end of this lesson, you will be able to:

• Define the term Loop.

• Explain how to create a loop using block codes.

Open Ended

What do you think a loop is in coding? Why would we want to use them?

Loops

• Definition:

  • Repeating lines of code over and over again

• Purpose:

  • Reduce the number of lines needed

  • Reduce the risk of typing mistakes

Multiple Choice

Repeating lines of code is called a:

• Program

• Code

• Function

• Loop

Multiple Select

Which of the following are reasons we should use loops? (multiple correct)

• Reduce the risk of typing mistakes

• Make the code more complicated

• Reduce the lines of code needed.

• So we can name the code and reuse it.

Draw

Circle the blocks that should be moved into the loop to create a triangle.

Assignment:



Go to Code.org and begin working on Lessons 10-11 to practice creating loops.