Secondary Math

Illuminations: Secondary Math

Illuminations is a project designed by the National Council of Teachers of Mathematics (NCTM) and supported by theVerizon Foundation. NCTM serves as a content partner for Thinkfinity, the Verizon Foundation’s free online professional learning community, where Illuminations is the primary contributor of resources for teaching and learning mathematics for grades pre-K—12. Connect and collaborate with over 70,000 educators though Thinkfinity! Share resources, join discussions and participate in special interest groups.



This site is sponsored by a Swedish non-profit organization called Mattecentrum. It’s an online community where students can study U.S. high school math courses for free through theory, examples, and video lessons. Age Range: 13-18 (Grades 8-12)



Targeted Math Instruction for the GED® Test is a focused, 12-lesson curriculum intended for use with test-takers who need to increase their score on the  GED® Math Test in order to earn a GED® diploma. The lessons are aligned to specific targets in geometry, number sense, algebra, and data analysis and probability. Each lesson plan includes content background, video segment(s), practice worksheets, and online practice activities.                        


7th Grade  

Ch 1: Probability, Percent, Rational Number Equivalence (3 weeks)

Ch 2: Rational Number Operations (4 weeks)

Ch 3: Expressions & Equations I (5 weeks)

Ch 4: Ratio and Proportion (5 weeks)

Ch 5: Geometry I–Scale Drawings, Geometric Figures (2 weeks)

Ch 6: Expressions & Equations II–Real-world equations, Inequalities  (3-4 weeks)

Ch 7: Probability & Statistics (3  weeks)

Ch 8: Geometry II– Measurement in 2-3 Dimensions, Cross Sections of Solids  (4 weeks)

8th Grade (by chapter)

Ch 1: Analyze and Solve Linear Equations (3 weeks)

Ch 2: Proportional Relationships (3 weeks)

Ch 3: Representations of a Line (4 weeks)

Ch 4: Functions (3  weeks)

Ch 5: Simultaneous Linear Equations (3 weeks)

Ch 6: Statistics: Investigate patterns of Association in Bivariate Data (2 weeks)

Ch 7: Rational and Irrational Numbers (3 weeks)

  • Textbook: Mathematical Foundation
  • Student Workbook
  • Teacher Version (workbook)

Ch 8: Radicals and Integer Exponents, 3D Measurement Problems (3 weeks)

  • Textbook: Mathematical Foundation
  • Student Workbook
  • Teacher Version (workbook)

Ch 9: Geometry I — Transformations, Congruence, Similarity (4 weeks)

  • Textbook: Mathematical Foundation
  • Student Workbook
  • Teacher Version (workbook)
Ch 10: Geometry II — Angles and Triangles (4 weeks)
  • Textbook: Mathematical Foundation
  • Student Workbook
  • Teacher Version (workbook) 


This site has been designed to “assist you in your pursuit of increased mathematical understanding,” or whatever sounds good to you.  The subjects covered range from Pre-Algebra to Calculus.



This is site offers explanations and tips for making learning math easier from Jason Marshall, Ph.D., also known as “The Math Dude.”

This ad-supported website features a smattering of free interactive math lessons, printable worksheets, games and more to help students in about grades 5-8 learn math.

Johnnie’s Middle School Math

Johnnie’s Math Page is a treasure trove of free, fun, interactive math games for elementary and middle school students. You’ll also find math lessons and free math worksheets too. They’ve essentially linked to some of the best math games on the Net and archived them for ease of use.

Middle /High School Math Lessons and Activities

This website was  developed to provide classroom teachers with interesting activities (along with printable materials) that reinforce and enhance math lessons for high school students.


This terrific website will open even the most math-reluctant minds to the beauty and dimensions of mathematics. : Age Range: 12 and up

Master Math

This site offers free video lessons, worksheets and quizzes for Middle School Math.

Yay Math

This website provides a series of free online video lessons (and printable worksheets!) for Algebra I, Algebra II, and Geometry.: Age Range: 11-15 

Purple Math

This website offers an amazing algebra resource in the form of free lessons and links to an array of helpful resources for math students.