3.1 Number and Algebra 數與代數

Directed Numbers and the Number Line 有向數及數線
Rate and Ratio 率及比
Formulating Problems with Algebraic Language 以代數語言建立問題
Manipulations of Simple Polynomials 簡易多項式的運算
Laws of Integral Indices 整數指數律
Factorization of Simple Polynomials 簡易多項式的因式分解
Linear Inequalities in One Unknown 一元一次不等式