Looking for a little help prepping for the SAT Math section? In this video, Magoosh’s SAT expert Chris introduces the Work Formula and goes over several SAT practice questions to help you get comfortable with using the Work Formula on your own. Watch the embedded video below, or scroll down for a full video transcript. […]
Planning on taking the SAT, but feeling nervous about the math? Check out this free video for all our top SAT Math tips and hacks to crush it on the math section!
The new SAT Math test (with its no calculator section) requires you to flex your mental math muscles. Here’s a better way to multiply numbers in your head.
Important stuff first: 27 of the 58 questions or nearly half of the questions on SAT Math will be “Heart of Algebra” questions. Read on for what this means.
Sometimes we want to force an equation on to every problem with unknowns. However, catch yourself if you suddenly hit a wall. What does that feel like? You are desperately scrambling to write some kind of equation and all you get are a bunch of scribbles and the sinking feeling that nobody could solve this […]
Prime numbers are one thing. Combining them with counting principles is an entirely different thing together. Let’s say I have a two-digit number. All you know is that both digits are prime numbers. So you could have 53, 37, etc. But how do you actually count up all these numbers without having to list them […]
n = (10^10 x 9^9 x 8^8…3^3 + 2^2 + 1^1)^2 How many zeroes does n^2 contain? First off, you need to recognize the pattern: every number has an exponent equal to itself, i.e. 10^10, 8^8 , etc. That means, that the (….) represents 7^7 x 6^6 x 5^5 x 4^4. Now that we can […]
Oh, the dread ratio. Especially on geometry questions! How dare they not give us numbers!? Actually, sometimes ratios can make things easier. The same goes for percents. If you are only looking for the percent by which one thing is bigger than another, the actual numbers don’t matter. Just choose easy-to-work-with number(s). The ratio of […]
Bars and pies? Yum, pass the ice cream! Charts? Whoa, sounds like a fun new board game. Well, in both cases you are mistaken. The most common graphs featured on the SAT math are bar graphs and pie charts. Having a basic understanding of these two graphs can go a long way on the SAT […]
This is Mike McGarry, Magoosh’s GMAT Expert. As you may know, the GMAT is the entrance exam for business school. Believe or not, folks studying to be the business leaders of tomorrow don’t necessarily know any more math that you do! You see, some folks get to the end of whatever their last required math […]