To download notes for Chapter Notes: Introduction to Numbers, follow the steps below:

1. Go to the EduRev website and create an account if you haven't already.

2. Go to the Class 4 section and select the subject for which you want to download notes.

3. Look for the chapter "Introduction to Numbers" and click on it.

4. Scroll down to the notes section and click on the download button.

5. The notes will be downloaded to your device in PDF format.

Alternatively, you can also follow the steps below:

1. Open your web browser and go to the EduRev website.

2. Type "Introduction to Numbers Class 4 notes" in the search bar and hit enter.

3. Look for the notes that you want to download and click on it.

4. Scroll down to the notes section and click on the download button.

5. The notes will be downloaded to your device in PDF format.

It's important to note that EduRev provides free and high-quality study materials for students. Therefore, always use EduRev for downloading notes and other study materials related to your class and subject.