We’re starting to wind up our baby Algebra upgrades, but before we do, don’t forget about Inequalities and Absolute Values! Lots of people do—but not the SAT Math test makers, so listen up.

# Baby Algebra Upgrade: How Many Solutions Does A System Of Linear Equations Have?

We’ve covered a lot of ground in this Baby Algebra series! Now that you’re working with linear equations and *systems* of linear equations, I’m going to teach you a little shortcut to solving—or even skip having to solve!—some of the problems the SAT will throw at you on this topic.

# Baby Algebra Upgrade: How To Recognize Systems of Linear Equations

You might not know the math you think you know! This week, in my series teaching you to beat the SAT math paradox, I’m showing you how to recognize systems of linear equations…even in disguise. If you can spot these subtle systems, you can solve problems quickly and easily that might otherwise have stumped you.

# Baby Algebra Upgrade: How To Recognize (And Actually Understand) A Linear Equation

In the first post of my new series upgrading your baby Algebra skills to the level that will let you snag all the points available on the SAT, we’re covering the foundation: what are linear equations, anyway, and what do they actually mean? Need answers? Read on!

# The Math Paradox: Why The Easiest Math On The SAT and ACT Is The Hardest

There’s this paradox I’ve noticed: it’s never the hardest math that stands between my students and the scores they need to get into their dream schools. As strange as it might sound…it’s usually the EASIEST math. Why, and what can YOU do to prevent this math paradox from hurting your score? In this post, I’m explaining how to level up your “baby Algebra” with the help of my new series.

# Math Etiquette VI: Math...Vocabulary?

Math is all numbers, right? Nope. Reading is fundamental—even when we're talking the fundamentals of math, like we do in math etiquette. Let me gloss some key terms!

# Math Etiquette V: Divide and Conquer

Division doesn't have to get you down—not when you do it the math etiquette way! Here are three ways of understanding division that will let you take on No Calculator Math (or any math section!) with confidence and accuracy.

# Math Etiquette IV: Kristina's Favorite Multiplication Tricks

Yes, I have favorite multiplication tricks. And after you realize how much time and how many errors they can save you on the SAT and ACT, so will you!

# Math Etiquette III: Kristina’s Fraction Primer

Sure, you know how to cross-multiply (or, uh...do you?). But do you really GET fractions? Save time, stress, and effort on the SAT and ACT with my fraction guide.

# Math Etiquette II: Just Memorize These Math Facts

The second in my Math Etiquette series, this one gives it to you straight: exactly what math facts you need to know to work on your number sense. Now go memorize them already!

# Math Etiquette I for Easy SAT No-Calculator Math (What's Math Etiquette and Why Should You Care?)

What's math etiquette? Well, like social etiquette, it helps you navigate problems confidently and gracefully...except these problems are math problems! It's also a crucial part of getting prepared for the new SAT No-Calculator Math section. Here's the run-down.