The Pre-Algebra curriculum is organized into 8 units of instruction

Unit 1:  Number Operations

http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%201%20-%20curriculum%20guide.doc

Unit 2:  Fractions & Decimals

http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%202%20-%20curriculum%20guide.doc

Unit 3: Ratios, Percentages, & Proportions

 http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%203%20-%20curriculum%20guide.doc

Unit 4:  Geometry

 http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%204%20-%20curriculum%20guide.doc

Unit 5:  Statistics & Probability

http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%205%20-%20curriculum%20guide.doc

Unit 6:  Algebraic Expressions

http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%206%20-%20curriculum%20guide.doc

Unit 7: Algebraic Equations & Inequalities

http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%207%20-%20curriculum%20guide.doc

Unit 8:  Linear Algebra

http://www.mathplease.com/Common%20Core/Pre-Algebra/Pre-Algebra%20Curriculum%20Guides/Pre-Algebra%20-%20unit%208%20-%20curriculum%20guide.doc