How does PEMDAS work? Learning an important algebra skill Using the order of operations (PEMDAS) is a very important skill for any math student starting in pre-algebra. What is PEMDAS and how does PEMDAS work? Let’s take the time to learn this skill well since you’ll be using it in Read more…
Binomial Expansion Using Pascal’s Triangle [latexpage] As an online math tutor, I love teaching my students helpful shortcuts! Algebra 2 and Precalculus students, this one is for you. Let’s learn a binomial expansion shortcut. Let’s say we want to expand $(x+2)^3$. Without knowing a shortcut, we would start out by Read more…
Simplifying Complex Fractions I took a few minutes last week to make a video for anyone struggling or needing a refresher on simplifying complex fractions. Usually this is covered during the first few weeks of precalculus, but it will come up in Calculus and even College Algebra. The key, as Read more…