The Independent School Entrance Exam (ISEE®) Upper Level is administered by the Educational Records Bureau for children applying to grades 9-12. Over 1,200 private middle schools and high schools use this exam to ensure new students are being admitted to a grade level that best fits their knowledge and abilities. Click “Start Test” above to … Read more
What are Angles? We use degrees as units of measurement for angles, and precisely determining how wide or narrow they are. The small circle symbol “°” is used following a number to denote that degrees are being represented. Note the following classifications: An acute angle is between 0-90° A right angle is 90° An obtuse … Read more
Welcome to the ACT practice test page! Click the “Start Test” button above to begin our free ACT practice test! These ACT practice questions will give you a better idea of what to study for your exam. ACT Study Guide ACT® is a registered trademark belonging to ACT Education Corp. (“ACT”). ACT is not involved … Read more
Set Operations with Venn Diagrams Return to Discrete Math Videos
The Federal Communications Commission (FCC) provides a Technician Class exam to certify the operation of an amateur station. This page covers the Technician Class radio license needed to operate an amateur radio, also called ham radio. Three levels of ham radio licenses are issued by the FCC, and the technician license is intended for beginners. … Read more
A vertical asymptote is an area of a graph where the function is undefined. A graphed line will bend and curve to avoid this region of the graph. Vertical asymptotes are vertical lines that correspond to the zeroes of the denominator in a function. A fraction cannot have zero in the denominator, therefore this region … Read more
The NES Special Education exam is used to assess the readiness of prospective math teachers who wish to teach students in special education classrooms at secondary schools that follow the NES standards. Click “Start Test” above to take a free NES Special Education practice test, and check out our premium-quality NES test prep resources by … Read more
Use this calculator to help you quickly add, subtract, multiply, or divide mixed numbers fractions. +–×÷ Calculate Found a bug? Let us know! Knowing how to add, subtract, multiply, and divide mixed numbers is an important math concept to understand! Take a look at these examples to see how each operation is performed: Adding Mixed … Read more
Navigating high school with ADHD can feel overwhelming—especially when you’re dealing with long tests, rigid deadlines, and confusing documentation applications. But having ADHD doesn’t mean you’re lazy or incapable. With the right battle plan, you can thrive academically and in the workplace. This guide breaks down everything you need to know about preparing for tests … Read more
Use this calculator to help you quickly convert fractions to decimals and percentages. Convert a Fraction to a Decimal or Percentage To DecimalTo Percentage Convert Found a bug? Let us know! Knowing how to convert fractions is an important math concept to understand! Take a look at these examples to see how each conversion works: … Read more