dat math

In this short video, Prof. Blois breaks down one of the most commonly tested DAT Quantitative Reasoning topics: combinations vs permutations. Many students lose points not because the math is difficult, but because they confuse when order matters and when it does not. If you are beginning...

Discount word problems are a common source of lost points on the DAT Quantitative Reasoning section. In this video, Prof. Denis Blois walks through a representative discount problem step-by-step, showing how to correctly interpret percentages, compare original and sale prices, and avoid the...

Tech companies run several promotions during holiday sales. One of those promotions includes a trade-in value for a cell phone. For the older phone, a company gives you a discount equal to one-fourth of the price of the new phone. If the new phone costs $800, the total discount is applied as...

DAT Math Question of the Day. Many students ask which DAT study materials actually prepare them for real DAT probability questions. This problem tests a very common DAT trap: finding the median from a frequency table rather than from a simple list. Key idea: You must count employees, not...

In this short video, Prof. Blois explains probability concepts commonly tested on the DAT, focusing on understanding rather than shortcuts. This lesson follows the DAT Destroyer system created by Dr. Jim Romano, which emphasizes true mastery of concepts instead of pattern recognition. 📺 Watch...

Math Destroyer Question of the Day: If F(x) = x − 1 and G(x) = x² + x What is G(F(x)) / F(x) ? Solution is on the second slide. For students preparing for the DAT or OAT, the Math Destroyer provides targeted, exam-level practice to build speed and accuracy. Learn more here: 2026 Math...

Logarithms are a common source of lost points on the DAT Math section, especially when students rely on memorized rules instead of understanding how logarithms actually behave. In this video, Prof. Blois walks through DAT-style logarithm problems step-by-step, showing: How logarithms are...

Circles and spheres are high-yield geometry topics on the DAT math section and are often tested through word problems involving volume, area, and spatial reasoning. In this short video, Prof Blois walks through a classic DAT-style problem involving circles and spheres, showing how to set it up...

Hi everyone — wanted to share a quick video walkthrough on an important QR topic that many students struggle with: Comparison Word Problems This video breaks down how to approach DAT-style comparison problems step-by-step so you can avoid timing traps and avoid common mistakes. YouTube 📹...

Mr. Rostov invested a sum of money into an index fund that pays 9% interest per year. After 30 years, his gain was $1,326,767.85. Prior to the investment, Mr. Rostov was saving $50 per day from his salary. How long did he have to save to invest the needed amount to obtain those gains? A) 2.5...

DAT-Style Math Question A car costs $42,000 and depreciates in value 8% annually. How long would it take for the car to reach 55% of its original price? A) 8 years and 2 days B) 6 years and 20 days C) 7 years and 73 days D) 3 years and 37 days E) 7 years and 37 days Correct Answer: C Use...

Paul has been studying for his exams. For every 3 hours he spends studying Biology, he spends 2 hours studying Chemistry. He did not go to class and spent the entire day in the library. He only got 4 hours of sleep. The next day, he planned to spend the same total amount of time studying...

This short video breaks down a DAT Gas Law challenge problem that looks easy on the surface but catches many students off guard on test day. Dr. Jim Romano walks through the setup, strategy, and common mistakes students make with gas law questions under time pressure. Watch here: Gas law...

Here is a walkthrough of a classic DAT Quantitative Reasoning comparison problem. Prof. Blois explain the setup and solution step-by-step, showing students how to break down this question type quickly and accurately on test day. If you are studying for the DAT or OAT, comparison-style word...

Here’s a quick review video from Prof. Blois covering how to approach and solve common discount word problems on the DAT. If you’re preparing for the DAT or OAT, math word problems show up often — and learning a clean, structured approach can save valuable time on test day. Prof. Blois...

Here is a high-yield DAT Math (QR) probability question — a topic many students struggle with on test day. This walkthrough is taught by Prof. Blois and is representative of the style and reasoning you will face on the actual exam. 📌 Watch the video: Probability questions are extremely...

Jamielynn shared her honest experience using the DAT Destroyer to prep — and her results speak for themselves. If you're feeling overwhelmed, stuck, or not sure which resource to trust… this might help you see what's possible. 📘 Study Smart. Study Destroyer. 🧠 Trusted by pre-dental students...

This is for the much in demand 📘Organic Chemistry Odyssey that has helped thousands of students. 👉Contest ends November 1 and winner announced November 2! Good luck to all!🍀 Need extra help with Organic Chemistry to build a better foundation? Dr. Romano's Organic Chemistry Odyssey offers...

Hello, I am planning to take American DAT, and for Math section, and I am a bit concerned as I haven't looked at Math for 6 years after high school. For those who have studied for DAT Math, would it be possible to study for it? If possible, which book would you recommend?? If not possible, i...

I am using www.Mathhelp.com and it is helping me so much. I have not taken math for soooooo long and needed something with details and step by step instructions. The videos are short and sweet but cover what you need for the DAT. Algebra II and Geometry... I recommend it! It is $50 a month and...