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资料简介

这本学生教材提供了对所有加州7年级数学课程标准的完整覆盖，分为八个章节，每一章都细分为小节以更好地帮助学生理解每一个具体标准。适合教师和家长参考使用。

• 文件名称：california-mathematics-course-two_compress.pdf

• 文件类型：PDF文档

• 文件标签：加州数学、教育材料、7年级

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Mathematics
California
Course Two
P
G
C
Education
Student Textbook
Student Textbook
California Standards-Driven Program
California Standards-Driven Program

i
Student Textbook
California Standards-Driven Program
California
Mathematics
Course Two

ii
This Textbook provides comprehensive coverage of all the California Grade 7 Standards. The Textbook is divided
into eight Chapters. Each of the Chapters is broken down into small, manageable Lessons and each Lesson covers
a specific Standard or part of a Standard.
Section 1.1 — Variables and Expressions
Exploration
Variable Tiles ........................................................................................................................ 2
Lesson 1.1.1
Variables and Expressions ................................................................................................... 3
Lesson 1.1.2
Simplifying Expressions ........................................................................................................ 7
Lesson 1.1.3
The Order of Operations ...................................................................................................... 10
Lesson 1.1.4
The Identity and Inverse Properties ...................................................................................... 13
Lesson 1.1.5
The Associative and Commutative Properties ...................................................................... 17
Section 1.2 — Equations
Exploration
Solving Equations ................................................................................................................. 20
Lesson 1.2.1
Writing Expressions .............................................................................................................. 21
Lesson 1.2.2
Equations .............................................................................................................................. 24
Lesson 1.2.3
Solving One-Step Equations................................................................................................. 28
Lesson 1.2.4
Solving Two-Step Equations ................................................................................................. 32
Lesson 1.2.5
More Two-Step Equations .................................................................................................... 35
Lesson 1.2.6
Applications of Equations ..................................................................................................... 38
Lesson 1.2.7
Understanding Problems ...................................................................................................... 41
Section 1.3 — Inequalities
Lesson 1.3.1
Inequalities............................................................................................................................ 44
Lesson 1.3.2
Writing Inequalities ............................................................................................................... 47
Lesson 1.3.3
Two-Step Inequalities ........................................................................................................... 50
Chapter 1 — Investigation
Which Phone Deal is Best? .............................................................................................