The @import rule allows you to include external style sheets in your document. It is a way of creating a style sheet within your document, and then importing additional rules into the document. To use the @import rule, type: @import url(import1.css);
Math: 1st Grade. 1st graders continue to develop their addition and subtraction skills, gaining a deeper understanding of the concepts as they practice and gain mastery of these skills. In many classes, math tools and manipulatives, such as blocks, tiles, and different shapes are used to help students practice math using concrete, visible objects.
Science and math classes Take science and math classes in high school. It is great if you can take AP science classes. Take as many science classes as you can, especially chemistry, biology, physics, and even prepare in math. These are classes you need to do well in because they count as part of your science GPA.