This feature lets you make markings on pages directly within the Teacher Atlas. Look for the “Annotate” button in the lower corners of any open book. When you click the button, a toolbar appears at the top of your screen with options to add free-form drawings, arrows, shapes, or text to the page. Single-click and drag to draw (works with your mouse or trackpad, or finger or stylus on mobile). The new toolbar on the bottom left allows you to choose colors, opacity, line style, and thickness, depending on the tool you are currently using. You can save the annotations in your browser by clicking the check mark at the top right, and they will be there the next time you open annotations on that page.