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.
Putting the Math In Context. Children began to learn greater than/less than, or comparing numbers, in kindergarten. Children usually review this skill in the beginning of first grade, and they should be able to mentally compare numbers up to 10 in their head or by counting on fingers.