Rational Numbers to Linear Equations

Rational Numbers to Linear Equations

Author
Hung-Hsi Wu
Publisher
American Mathematical Society
Language
English
Year
2020
Page
402
ISBN
1470456753,9781470456757
File Type
pdf
File Size
11.1 MiB

This is the first of three volumes that, together, give an exposition of the mathematics of grades 9 12 that is simultaneously mathematically correct and grade-level appropriate. The volumes are consistent with CCSSM (Common Core State Standards for Mathematics) and aim at presenting the mathematics of K 12 as a totally transparent subject. The present volume begins with fractions, then rational numbers, then introductory geometry that can make sense of the slope of a line, then an explanation of the correct use of symbols that makes sense of variables , and finally a systematic treatment of linear equations that explains why the graph of a linear equation in two variables is a straight line and why the usual solution method for simultaneous linear equations by substitutions is correct. This book should be useful for current and future teachers of K 12 mathematics, as well as for some high school students and for education professionals.

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