I have been a math teacher since 2003, teaching at the junior high and high school levels. Most of my experience and videos have been teaching Algebra I & II.
I'm excited to help you learn more about math and answer your questions!
All Lessons by Marty Brandl's Math Help

18 minMath lesson10 CQ
If you don't think that you use math on a daily basis, think again! In this realworld math lesson, explore rounding and estimating concepts with examples.
If you don't think that you use math on a daily basis, think again! In this realworld math lesson, explore rounding and estimating concepts with examples.

12 minMath lesson7 CQ
Discover the secrets of everyday math in this lesson, and learn how to apply simple coordinate graphing that you reviewed in school to real world examples!
Discover the secrets of everyday math in this lesson, and learn how to apply simple coordinate graphing that you reviewed in school to real world examples!

10 minFREEMath lessonFree6 CQ
Stop whipping out your calculator at the dinner table! This lesson shows you how a few failsafe tricks to mentally calculate tips, tax, and discounts.
Stop whipping out your calculator at the dinner table! This lesson shows you how a few failsafe tricks to mentally calculate tips, tax, and discounts.

7 minAlgebra lesson4 CQ
Amaze your friends, “predict the future,” or win some bets with this magic number trick. Once you see how it works, you can even create your own!
Amaze your friends, “predict the future,” or win some bets with this magic number trick. Once you see how it works, you can even create your own!

10 minAlgebra lesson6 CQ
Square roots. Who needs ‘em? Everyone, really. This mathematical concept is foundational for math success. In this lesson, learn to solve square root problems.
Square roots. Who needs ‘em? Everyone, really. This mathematical concept is foundational for math success. In this lesson, learn to solve square root problems.

7 minAlgebra lesson4 CQ
What is slope? Rise over run! In this lesson, learn how to calculate the slope of a line, and learn the difference between positive and negative slope.
What is slope? Rise over run! In this lesson, learn how to calculate the slope of a line, and learn the difference between positive and negative slope.

15 minMath lesson8 CQ
Brush up on essential math formulas you learned in school for area, perimeter, and volume, and discover how these can be useful for everyday household tasks.
Brush up on essential math formulas you learned in school for area, perimeter, and volume, and discover how these can be useful for everyday household tasks.